GOL-NTX403NTX403 UHF FM Transceiver

SM28 Rev. 2.10 NTX Series Remote Mount FM Transceivers Manual Section 2.0 Installation 2.1 Introduction Information in this section consists of: unpacking and inspection procedures, installation procedures, post-installation checks, and installation drawings. 2.2 Unpacking and Inspection Unpack the equipment carefully, and locate the warranty card. Inspect the unit visually for damage due to shipping and report all such claims immediately to the carrier involved. Note that each unit should have the following: - NTX Series Transceiver - Warranty Card - Release certification Verify that all items are present before proceeding, and report any shortage immediately to your supplier. Complete the warranty card information, and send it to NAT when the installation is complete. If you fail to complete the warranty card, the warranty will be activated on date of shipment from NAT. 2.3 Installation Procedures 2.3.1 Warnings ← IMPORTANT! Do not bundle any lines from this unit with transmitter coax lines. Do not bundle any logic, audio, or DC power lines from this unit with 400 Hz synchro wiring or AC power lines. Do not position this unit next to any device with a strong alternating magnetic field such as an inverter or significant interference to operation will result. In all installations, use shielded cable exactly as shown and ground as indicated. Significant problems may result if these guidelines are not followed. Oct 25, 2002 Page 2-1 ENG-FORM: 805-0104.DOT PROPRIETARY AND CONFIDENTIAL TO NORTHERN AIRBORNE TECHNOLOGY LTD. NTX Series Remote Mount FM Transceivers Manual SM28 Rev. 2.10 2.3.2 Cautions Severe degradation of audio installations may result from incorrect wiring and shielding. This could cause much higher cross-talk, hum, and ground-loop interference. 2.3.3 Notes For maximum resistance to low frequency interference, electrically ground the case of the NTX Series Transceiver. 2.3.4 Cable and Wiring All wires should be in accordance with MIL-W-22759 unless otherwise specified. All cables should be in accordance with MIL-C-27500 unless otherwise specified. Use solder sleeves (for shielded terminations) to make the most compact and easy to terminate interconnects. Follow the wiring diagrams in Section 2.5 as required. To provide easy installation of the hood, allow 3 inches from the end of the wire to the shield termination. Note: Install the hood after the wiring is complete. Installation cabling must allow the NTX Series transceiver to be easily withdrawn for disconnection and field service adjustments. Ensure an adequate service loop in the routing of the cables. All wiring should be 22 AWG, except power and ground connections, which must be 18 AWG or larger, as indicated on the installation drawings. Ensure that the ground connection is clean and well secured. To prevent inadvertent system failure, supply power to this system from a separate breaker or fuse not connected to any other device. NAT recommends a 5 A fuse or breaker (28 Vdc Source). Coaxial cable should be in accordance with MIL-C-17 unless otherwise specified. Do not use coax with PVC insulation. NAT recommends Teflon dielectric cable at or above VHF frequencies or where cable runs exceed 8 feet. Note that at VHF frequencies, cable losses due to long cable runs and tight bends may cut the ERP (Effective Radiated Power) to less than 50% of specification. To prevent RF interference between similar systems, NAT recommends that VHF FM coax runs be widely separated, or be made using triaxial cable. Bond the outer shield to the airframe at the transceiver end only. In communication intensive applications, bad cable routing and shielding may drastically compromise over-all system performance. Symptoms will be spurious squelch opening, RFI (Radio-Frequency Interference), and garbled reception. Neatly terminate RF cables (solder or crimp) and test for shorts prior to system check- out (not while connected to the radio!!). Keep cable bends to a minimum at the antenna. Page 2-2 Oct 25, 2002 ENG-FORM: 805-0104.DOT PROPRIETARY AND CONFIDENTIAL TO NORTHERN AIRBORNE TECHNOLOGY LTD. SM28 Rev. 2.10 NTX Series Remote Mount FM Transceivers Manual Avoid sharp bends in the coax cables (minimum 3" radius) to prevent severe reflections. If sharp bends are required use 90° elbow adapters. Fabrication and installation of wiring harness should be in accordance with AC43.13-1B chapter 11, sections 5 to 13, 16 and 17. Grounding and bonding should be in accordance with AC43.13-1B chapter 11, section 15. 2.3.5 Antennas Correct antenna placement and mounting is critical in order to achieve the best possible performance. In general, keep all antennas as widely separated as possible and clear of any large airframe obstructions. Avoid any placement that puts antennas of like frequencies close together. Installation of the antenna should be in accordance with AC43.13-1B chapter 11, section 15 and AC 43.13-2A chapter 3. If possible, the antenna should be located a minimum of 12 ft from aircraft navigation receiver antennas and a minimum of 4 ft from aircraft communications and ELT antennas. Be careful not to choose separations that closely approximate ¼, ½ or whole number multiples of the navigation or communication system wavelengths. Bottom mounted antennas will perform best in flight, but poorest on the ground during testing. Antennas may be severely degraded by 'masking' effects of the fuselage or stabilizers, and generally give best performance when bottom mounted. Surround any blade or whip antenna with a ground plane surface (metallic, grounded material) having a radius equal to or greater than the height of the antenna. Poor grounding will result in severe reflected power and high levels of RFI throughout the airframe. Any antenna will be less prone to interference from rotor modulation and other undesirable stimuli if installed correctly and surrounded by a large metallic ground plane. Under the same conditions, it is also much less likely to cau…

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Offices in Ottawa (Canada), USA, Norway, England, Germany, Italy, Korea, Taiwan, China and Shanghai April 15, 2003 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, Maryland 21046 USA Nemko Canada Inc. 303 River Road RR #5 Ottawa, Ontario Canada K1V 1H2 Tel: 613-737-9680 Fax: 613-737-9691 Toll Free: 1-800-563-6336 Email: [email protected] Internet: www.nemkoca.com Dear Sir/Madam: Our File Ref. 3O06712 FCC ID: GOL-NTX403 Applicant: Northern Airborne Technology Ltd. Equipment: NTX403 UHF FM Transceiver FCC Confirmation no.: EA738160 Please change the FCC ID to GOL-NTX403 as per label format and label location submitted. When I did the 731, I did not include the “-“ in the FCC ID. If you require additional information, please do not hesitate to contact me at 1-800-563-6336 (extension 232). Thank you in advance for your assistance in this matter. Sincerely, Ruby Dulmage Submissions Specialist Nemko Canada Inc. [email protected] Encl.

MODIFICATION STATUS DO-160C Env. Cat. CANADA FCC ID 12 36 4 578910 10 W RF POWER SERIAL NO. UHF FM TRANSCEIVER DESCRIPTION 28 VDC DATE POWER NTX403 MODEL NO. WEIGHT lbs. LTD. X-XX[MN]XXXXXXXXXXXXXXXX DO-160D Env. Cat. B4-BABXXXXXXXZBABA[TT]BXXXX GOL-NTX403 993B-NTX403

MODIFICATION STATUS DO-160C Env. Cat. 12 36 4 578 910 10 W RF POWER SERIAL NO. UHF FM TRANSCEIVER DESCRIPTION 28 VDC DATE POWER NTX403 MODEL NO. WEIGHT lbs. LTD. X-XX[MN]XXXXXXXXXXXXXXXX DO-160D Env. Cat. B4-BABXXXXXXXZBABA[TT]BXXXX FCC ID: GOL-NTX403 IC: 993B-NTX403

MODIFICATION STATUS DO-160C Env. Cat. 12 36 4 578 910 10 W RF POWER SERIAL NO. UHF FM TRANSCEIVER DESCRIPTION 28 VDC DATE POWER NTX403 MODEL NO. WEIGHT lbs. LTD. X-XX[MN]XXXXXXXXXXXXXXXX DO-160D Env. Cat. B4-BABXXXXXXXZBABA[TT]BXXXX FCC ID: GOL-NTX403 IC: 993B-NTX403

PARTS LIST NAT Part #: Description: Document#: Rev: NTX403-2 NTX403-2\701-0 NTX403 Transmitter Subassembly 1.00 Prepared By:Checked By:Approved By: IDENTDESCRIPTIONOR VALUE QTY.PACKAGENAT P/N MFR. P/N CAPACITORS C200SM, Ceramic, 50 V470 pF060311-02-47110 C201SM, Ceramic, 50 V0.01 uF060311-02-1034 C202SM, Aluminum Electrolytic, 35V220 uFAE-G11-76-2273 C203SM, Ceramic, 50 V470 pF060311-02-471 C204SM, Tantalum Molded, 16 V1 uF321611-51-1051 C205SM, Ceramic, 50 V47 pF060311-02-4703 C206SM, Ceramic, 50 V47 pF060311-02-470 C207SM, Tantalum Molded, 16 V10 uF352811-49-1062 C208SM, Ceramic, 50 V470 pF060311-02-471 C209SM, Ceramic, 50 V470 pF060311-02-471 C210SM, Ceramic, 50 V470 pF060311-02-471 C211SM, Ceramic, 50 V470 pF060311-02-471 C212SM, Ceramic, 50 V0.1 uF080511-00-1043 C213SM, Ceramic, 50 V470 pF060311-02-471 C214SM, Ceramic, 50 V470 pF060311-02-471 C215SM, Aluminum Electrolytic, 35V220 uFAE-G11-76-227 C216SM, Film, 50 V1.0 uF282411-29-1051 C217SM, Film, 50 V0.1 uF191311-24-1041 C218SM, Film, 50 V0.01 uF120611-22-1031 C219SM, Ceramic, 50 V680 pF060311-02-6814 C220SM, Ceramic, 50 V680 pF060311-02-681 C221SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-10411 C222SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C223SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C224SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C225SM, Ceramic, 50 V0.1 uF080511-00-104 C226SM, Ceramic, 50 V0.01 uF060311-02-103 C227SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C228SM, Ceramic, 50 V0.01 uF060311-02-103 C229SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C230SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C231SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C232SM, Ceramic, 50 V680 pF060311-02-681 C233SM, Ceramic, 50 V680 pF060311-02-681 C234SM, Ceramic, 100 V0.01 uF120611-06-1032 C235SM, Ceramic, 50 V0.1 uF080511-00-104 C236SM, Ceramic, 50 V3.9 pF120611-05-3994 C237SM, Ceramic, 50 V3.9 pF120611-05-399 C238SM, Ceramic, 50 V3.9 pF120611-05-399 C239SM, Ceramic, 200 V470 pF120611-07-4714 C240SM, Ceramic, 200 V470 pF120611-07-471 Page: 1 of 5Oct 23, 2002Rev: 1.00 CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. IDENTDESCRIPTIONOR VALUE QTY.PACKAGENAT P/N MFR. P/N NTX403-2 Parts List C241SM, Ceramic, 200 V470 pF120611-07-471 C242SM, Ceramic, 500 V2.0 pF121011-13-2092 C243SM, Ceramic, 500 V11 pF121011-13-1101 C244NOT INSTALLEDN/A C245SM, Tantalum Molded, 20 V4.7 uF352811-52-4751 C246SM, Ceramic, 200 V470 pF121011-12-4713 C247NOT INSTALLEDN/A C248SM, Ceramic, 300 V120pF121011-32-1212 C249SM, Ceramic, 300 V120pF121011-32-121 C250SM, Ceramic, 200 V470 pF121011-12-471 C251SM, Ceramic, 50 V0.01 uF121011-10-1034 C252SM, Ceramic, 200 V470 pF121011-12-471 C253SM, Ceramic, 50 V0.01 uF121011-10-103 C254SM, Ceramic, 500 V47pF121011-13-4701 C255SM, Ceramic, 500 V15 pF121011-13-1501 C256SM, Ceramic, 500 V6.2pF121011-13-6291 C257SM, Ceramic, 500 V18 pF121011-13-1802 C258SM, Ceramic, 50 V3.9 pF120611-05-399 C259SM, Ceramic, 50 V2.2 pF120611-05-2291 C260SM, Ceramic, 50 V3.3 pF120611-05-3391 C261SM, Ceramic, 500 V3.6 pF121011-13-3692 C262SM, Ceramic, 500 V9.1 pF121011-13-9192 C263SM, Ceramic, 500 V8.2 pF121011-13-8292 C264SM, Ceramic, 500 V9.1 pF121011-13-919 C265SM, Ceramic, 500 V5.6 pF121011-13-5691 C266SM, Ceramic, 500 V13 pF121011-13-1301 C267SM, Ceramic, 500 V2.0 pF121011-13-209 C268SM, Ceramic, 500 V75 pF121011-13-7501 C269SM, Ceramic, 50 V56 pF120611-05-5601 C270SM, Ceramic, 500 V3.6 pF121011-13-369 C271SM, Ceramic, 500 V8.2 pF121011-13-829 C272SM, Ceramic, 200 V470 pF120611-07-471 C273SM, Ceramic, 50 V47 pF060311-02-470 C274SM, Tantalum Molded, 16 V10 uF352811-49-106 C275SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C276NOT INSTALLEDN/A C277SM, Aluminum Electrolytic, 35V220 uFAE-G11-76-227 C278SM, Ceramic, 100 V0.01 uF120611-06-103 C279SM, Ceramic, 50 V0.01 uF121011-10-103 C280SM, Ceramic, 50 V0.01 uF121011-10-103 C281SM, Ceramic, 50 V470 pF060311-02-471 C282SM, Ceramic, 50 V470 pF060311-02-471 C283SM, Ceramic, 50 V150 pF060311-02-1511 C284SM, Ceramic, 50 V0.01 uF060311-02-103 C285SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C286SM, Ceramic, 500 V0.7 pF121011-13-0791 C287SM, Ceramic, 16 V, X7R, 5%0.1 uF060311-17-104 C288SM, Ceramic, 500 V18 pF121011-13-180 Page: 2 of 5Oct 23, 2002Rev: 1.00 CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. IDENTDESCRIPTIONOR VALUE QTY.PACKAGENAT P/N MFR. P/N NTX403-2 Parts List DIODES D200SM, Rectifier, SchottkyBAT54ASOT-2374-30-0541 D201SM, Small Signal, SiliconMMBD914SOT-2374-00-3011 DISPLAYS DS200 SM, LED, GreenBG1101WTR1101W47-83-0011 CONNECTORS J200BNC, PCB Mount, Right Angle136-1701-54720-56-0001 J201Coaxial Jack, PC MountSSMB20-60-0001 J202Strip Plug, Dbl Row Straight, PC Mnt18 Pin20-00-0181 RELAYS K200RG Series, 1 Pole, 2 PositionRG1ET-12V65-40-0121 INDUCTORS L200SM, Inductor, Air Core8.0 nHA35-63-0002 L201SM, Inductor, Air Core8.0 nHA35-63-000 L202SM, Inductor, Air Core12.5 nHA35-63-1251 L203SM, Inductor, Air Core5.0 nHA35-63-0023 L204SM, Inductor, Air Core5.0 nHA35-63-002 L205SM, Inductor, Air Core5.0 nHA35-63-002 L206SM, Inductor, Air Core90 nH132-SM35-63-0031 L207SM, Inductor1 uH100835-62-1021 TRANSISTORS Q200SM, Bi-Polar, Small Signal, NPNMMBT3904LT1SOT-2376-03-9048 Q201SM, Bi-Polar, Small Signal, NPNMMBT3904LT1SOT-2376-03-904 Q202SM, Bi-Polar, Small Signal, NPNMMBT3904LT1SOT-2376-03-904 Q203SM, Bi-Polar, Small Signal, NPNMMBT3904LT1SOT-2376-03-904 Q204SM, Bi-Polar, Small Signal, PNPMMBT3906LT1SOT-2376-01-9064 Q205SM, Bi-Polar, Small Signal, PNPMMBT3906LT1SOT-2376-01-906 Q206SM, Bi-Polar, Small Signal, PNPMMBT3906LT1SOT-2376-01-906 Q207SM, Bi-Polar, Small Signal, NPNMMBT3904LT1SOT-2376-03-904 Q208SM, Bi-Polar, Small Signal, NPNMMBT3904LT1SOT-2376-03-904 Q209SM, Bi-Polar, Small Signal, NPNMMBT3904LT1SOT-2376-03-904 Q210MOSFET, RF Power, N-Channel,MRF166C319-0777-09-0001 Q211SM, Bi-Polar, Small Signal, PNPMMBT3906LT1SOT-2376-01-906 Q212SM, Bi-Polar, Small Signal, NPNMMBT3904LT1SOT-2376-03-904 RESISTORS R200SM, Thick Film, 1/16 W, 5%100 kOhm060370-60-1049 R201SM, Thick …

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PARTS LIST NAT Part #: Description: Document#: Rev: NTX138-7 NTX138-7\701-0 NTX138 Controller Subassembly 1.40 Prepared By:Checked By:Approved By: IDENTDESCRIPTIONOR VALUE QTY.PACKAGENAT P/N MFR. P/N CAPACITORS C701SM, Ceramic, 50 V0.1 uF120611-05-10466 C702SM, Ceramic, 50 V0.1 uF120611-05-104 C703SM, Ceramic, 50 V0.1 uF120611-05-104 C704SM, Tantalum Molded, 35 V1 uF352811-53-1056 C705SM, Ceramic, 50 V0.1 uF120611-05-104 C706SM, Ceramic, 100 V47 pF120611-06-4702 C707SM, Ceramic, 100 V47 pF120611-06-470 C708SM, Ceramic, 50 V0.1 uF120611-05-104 C709NOT ISSUED N/A C710SM, Ceramic, 50 V0.1 uF120611-05-104 C711SM, Ceramic, 50 V0.1 uF120611-05-104 C712NOT ISSUED N/A C713NOT ISSUED N/A C714NOT ISSUED N/A C715SM, Ceramic, 100 V0.01 uF120611-06-1035 C716SM, Ceramic, 50 V0.1 uF120611-05-104 C717NOT ISSUED N/A C718NOT INSTALLED N/A C719NOT INSTALLED N/A C720SM, Ceramic, 25 V0.22 uF120611-01-22411 C721Aluminum Electrolytic, 50 V22 uF1H10-36-2261 C722SM, Tantalum Molded, 16 V10 uF352811-49-106 C723SM, Tantalum Molded, 20 V2.2 uF352811-52-2251 C724SM, Ceramic, 50 V330 pF120611-05-3311 C725SM, Ceramic, 50 V0.1 uF120611-05-104 C726SM, Ceramic, 100 V0.01 uF120611-06-103 C727Tantalum Dipped, 35 V10 uFT352/610-18-1068 C728SM, Ceramic, 50 V22 pF120611-05-2203 C729NOT ISSUED N/A C730NOT ISSUED N/A C731SM, Ceramic, 50 V0.1 uF120611-05-104 C732SM, Ceramic, 50 V0.1 uF120611-05-104 C733NOT ISSUED N/A C734SM, Ceramic, 25 V0.22 uF120611-01-224 C735Electrolytic, Low ESR, 35 V330 uF10-85-3374 C736SM, Ceramic, 50 V0.1 uF120611-05-104 C737Tantalum Dipped, 35 V10 uFT352/610-18-106 C738SM, Ceramic, 50 V0.1 uF120611-05-104 C739NOT ISSUED N/A C740NOT ISSUED N/A Page: 1 of 11Apr 7, 1998 Rev: 1.40 PROPRIETARY AND CONFIDENTIAL TO NORTHERN AIRBORNE TECHNOLOGY LTD. IDENTDESCRIPTIONOR VALUE QTY.PACKAGENAT P/N MFR. P/N NTX138-7 Parts List C741NOT ISSUED N/A C742NOT ISSUED N/A C743Tantalum Dipped, 35 V10 uFT352/610-18-106 C744SM, Ceramic, 50 V0.1 uF120611-05-104 C745Tantalum Dipped, 35 V10 uFT352/610-18-106 C746SM, Ceramic, 50 V0.1 uF120611-05-104 C747SM, Ceramic, 50 V0.047 uF120611-05-4732 C748SM, Ceramic, 50 V0.1 uF120611-05-104 C749Aluminum Electrolytic, 16 V100 uF1C10-32-1071 C750SM, Ceramic, 50 V0.1 uF120611-05-104 C751SM, Ceramic, 50 V150 pF120611-05-1512 C752SM, Ceramic, 50 V0.1 uF120611-05-104 C753SM, Ceramic, 50 V0.1 uF120611-05-104 C754SM, Ceramic, 50 V0.1 uF120611-05-104 C755SM, Ceramic, 50 V0.1 uF120611-05-104 C756SM, Tantalum Molded, 16 V10 uF352811-49-1068 C757SM, Ceramic, 50 V0.1 uF120611-05-104 C758SM, Ceramic, 50 V0.1 uF120611-05-104 C759SM, Ceramic, 25 V0.22 uF120611-01-224 C760Aluminum Electrolytic, 25 V470 uF1E10-33-4772 C761SM, Ceramic, 50 V0.1 uF120611-05-104 C762SM, Tantalum Molded, 16 V10 uF603211-51-1061 C763SM, Ceramic, 50 V0.1 uF120611-05-104 C764SM, Ceramic, 50 V0.1 uF120611-05-104 C765Tantalum Dipped, 16 V100 uFT35210-16-1071 C766SM, Ceramic, 25 V0.22 uF120611-01-224 C767SM, Tantalum Molded, 16 V10 uF352811-49-106 C768SM, Ceramic, 50 V0.1 uF120611-05-104 C769SM, Ceramic, 50 V0.1 uF120611-05-104 C770SM, Tantalum Molded, 16 V10 uF352811-49-106 C771SM, Ceramic, 50 V0.1 uF120611-05-104 C772SM, Tantalum Molded, 16 V10 uF352811-49-106 C773SM, Ceramic, 50 V0.1 uF120611-05-104 C774SM, Ceramic, 50 V0.1 uF120611-05-104 C775SM, Ceramic, 50 V0.1 uF120611-05-104 C776SM, Ceramic, 50 V0.022 uF120611-05-2231 C777SM, Ceramic, 25 V0.22 uF120611-01-224 C778SM, Ceramic, 50 V0.1 uF120611-05-104 C779Tantalum Dipped, 35 V10 uFT352/610-18-106 C780SM, Ceramic, 100 V0.01 uF120611-06-103 C781Electrolytic, Low ESR, 35 V330 uF10-85-337 C782SM, Ceramic, 50 V0.1 uF120611-05-104 C783Aluminum Electrolytic, 35 V100 uF10-34-1071 C784SM, Ceramic, 50 V0.1 uF120611-05-104 C785SM, Tantalum Molded, 35 V1 uF352811-53-105 C786Tantalum Dipped, 35 V1 uFT352/610-18-1052 C787SM, Ceramic, 50 V0.1 uF120611-05-104 C788SM, Ceramic, 50 V0.1 uF120611-05-104 C789SM, Ceramic, 50 V0.1 uF120611-05-104 C790Electrolytic, Low ESR, 35 V330 uF10-85-337 C791Tantalum Dipped, 35 V10 uFT352/610-18-106 C792Aluminum Electrolytic, 35 V330 uF1V10-34-3371 Page: 2 of 11Apr 7, 1998 Rev: 1.40 PROPRIETARY AND CONFIDENTIAL TO NORTHERN AIRBORNE TECHNOLOGY LTD. IDENTDESCRIPTIONOR VALUE QTY.PACKAGENAT P/N MFR. P/N NTX138-7 Parts List C793SM, Ceramic, 50 V0.1 uF120611-05-104 C794SM, Ceramic, 25 V0.22 uF120611-01-224 C795Aluminum Electrolytic, 25 V470 uF1E10-33-477 C796Tantalum Dipped, 35 V10 uFT352/610-18-106 C797SM, Tantalum Molded, 35 V1 uF352811-53-105 C798SM, Ceramic, 50 V0.1 uF120611-05-104 C799SM, Ceramic, 50 V0.1 uF120611-05-104 C800Tantalum Dipped, 20 V47 uFT35210-17-4762 C801Tantalum Dipped, 35 V10 uFT352/610-18-106 C802SM, Ceramic, 50 V22 pF120611-05-220 C803Tantalum Dipped, 50 V10 uFT35010-19-1061 C804SM, Ceramic, 50 V0.1 uF120611-05-104 C805SM, Ceramic, 50 V0.1 uF120611-05-104 C806Electrolytic, Low ESR, 35 V330 uF10-85-337 C807NOT ISSUED N/A C808NOT ISSUED N/A C809Tantalum Dipped, 35 V1 uFT352/610-18-105 C810SM, Ceramic, 50 V0.1 uF120611-05-104 C811SM, Ceramic, 25 V0.22 uF120611-01-224 C812SM, Ceramic, 200 V33 pF120611-07-330 C813SM, Ceramic, 200 V33 pF120611-07-330 C814SM, Ceramic, 50 V0.1 uF120611-05-104 C815SM, Ceramic, 25 V0.22 uF120611-01-224 C816SM, Ceramic, 50 V0.1 uF120611-05-104 C817SM, Tantalum Molded, 35 V1 uF352811-53-105 C818SM, Ceramic, 50 V1000 pF120611-05-1022 C819SM, Tantalum Molded, 35 V1 uF352811-53-105 C820SM, Ceramic, 50 V2200 pF120611-05-2224 C821SM, Ceramic, 50 V0.1 uF120611-05-104 C822SM, Ceramic, 50 V0.1 uF120611-05-104 C823Tantalum Dipped, 20 V47 uFT35210-17-476 C824SM, Ceramic, 50 V0.1 uF120611-05-104 C825SM, Ceramic, 50 V0.1 uF120611-05-104 C826SM, Ceramic, 50 V0.1 uF120611-05-104 C827SM, Tantalum Molded, 10 V4.7 uF352811-50-4751 C828SM, Ceramic, 50 V0.1 uF120611-05-104 C829SM, Ceramic, 50 V0.1 uF120611-05-104 C830SM, Ceramic, 25 V0.22 uF120611-01-224 C831SM, Ceramic, 50 V22 pF120611-05-220 C832NOT ISSUED N/A C833NOT ISSUED N/A C834NOT ISSUED N/A C835SM, Ceramic, 50 V0.1 uF120611-05-104 C836SM, Ceramic, 50 V0.1 uF120611-05-104 C837NOT ISSU…

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NORTHERN AIRBORNE TECHNOLOGY LTD. REV. SHEET DWG. NO. DWG. TYPE FILEDESIGNEDDRAWNDATECHECKEDAPPROVED SIZE CAGE CODE PART NO. TITLE B 3AB01 CONFIDENTIAL AND PROPRIETARY TO NAT LTD. MIX IN 1 1 BASE 2 2nd EMITTER 5 2nd LO BASE 6 VCC 8 METER DRIVE 12 CARRIER DETECT 13 LIMITER DCPL 10 LIMITER DCPL 11 QUAD COIL 14 MIX OUT 2 7 LIMITER IN 9 VEE 20 -OP AMP IN 15 OP AMP OUT 19 AUDIO 16 COMP IN 17 COMP O/P 18 MIX IN 2 22 MIX IN 2 21 MIXER O/P 1 23 1st LOTANK 26 MIX IN 1 28 U503 MC3363DW C5520.01uF C5530.1uF C55522pF C55422pF C5560.1uF C5590.22uF C5570.22uF C5600.22uF C5470.1uF C5480.1uF C5500.1uF C5610.22uF C55810uF R520 22k R522 10k +5.0V R52339k C5490.01uF C5512.2uF R51910 R51810k +5.0V C5780.047uF R545470k R5431.5k +5.0V R542470k SQ ADJUST R541820 R53947k C5771.0uF C5720.1uF C5690.1uF R53310k R532 10k +12.0V R536100k C571470pF C570470pF R5352.2k R5344.7k C5680.1uF C566470pF C5651000pF C5671000pF C5630.01uF R5284.7k R531220k R529330k R5243.3k R53010k +5.0V BANDPASS FILTER NETWORK C5850.1uF +12.0V C584150pF C5830.1uF C5821000pF C5810.22uF R5604.7k R55810k R55722k R55910k +12.0V R561220k C5860.47uF 8 9 6 U507DMC14066BD 4 3 5 U507CMC14066BD R54610k R54733k C5790.1uF C5800.1uF R54856k R54918k +5.0V +5.0V NOISE SQUELCH DETECTOR SQUELCH COMPARATOR BUFFER/LOWPASS FILTER C5620.22uF SCAN SQUELCH JP501 DCS TEST DCS DATA OUT 1 5 3 2 4 FL503455KHZ R550100k R55122k R5408.2k TP509 NOISE SQ 1 2 13 14 7 U507AMC14066BD 11 10 12 U507BMC14066BD +5.0V R55310k +5.0V R55210k +5.0V SQ DISABLE +12.0V MAIN RX ACTIVE JP502 N/I R538220k R53768k C5760.1uF +12.0V C574220pF C575 1500pF C5730.22uF TP508 BFP OUT 21.4 MHz FM AUDIO TP507FM AUDIO +5.0V C63510uF C642 5.5-30pF R606100k R60722k +12.0V R5658.2k WIDE/NAR AUDIO BW t RT501 10k +5.0V R5931M 1.10 NOV 14/02 RBDW 2/4 SCHEMATIC NTX403-5 401-1110.SCH NTX403-5\401-1 NTX403 MAIN RECEIVER SUBASSEMBLY FM IF LIMITER/DETECTOR FASTSCANADJ R59422k +5.0V FROM SHEET 1 TO SHEET 1 TO SHEET 1 TO SHEET 1 FROM SHEET 1 FROM SHEET 1 FROM SHEET 1 MAIN RX AUDIO D505MMBD914 D504MMBD914 CW 1 3 2 R54410K CW 1 3 2 R521100K 3 1 2 6 4 8 7 L515455 KHz 3 2 1 4 8 U505A SSM2135S 5 6 7 U505B SSM2135S 3 2 1 4 8 U506A SSM2135S 5 6 7 U506B SSM2135S 5 6 7 U508B SSM2135S 3 2 1 4 8 U508A SSM2135S 1 3 2 Y502 20.945MHz IF IN TP510455KHz RESERVED SPARE R563 N/I TO SHEET 1

NORTHERN AIRBORNE TECHNOLOGY LTD. REV. SHEET DWG. NO. DWG. TYPE FILEDESIGNEDDRAWNDATECHECKEDAPPROVED SIZE CAGE CODE PART NO. TITLE B 3AB01 PROPRIETARY AND CONFIDENTIAL TO NAT LTD. +5V +5V C7740.1uF C7690.1uF R766 10k R765 10 D D R76910K +5V C7680.1uF C76710uF DD C77010uF A A C7730.1uF C77210uF AA -5VA C7710.1uF -5VA AINL 16 AGNDL 15 AGNDR 10 AINR 9 AOUTL 14 AOUTR 11 ZCEN 1 CS 2 SDATAI 3 SDATAO 7 SCLK 6 MUTE 8 VA- 13 VA+ 12 DVCC 4 DGND 5 U723 CS3310-KS SERIAL DATA SERIAL CLK LOAD VOLUME TX/RX AUDIO SW +5V R751100K R7504.7K C751150pF C7500.1uF C7540.1uF C7570.1uF C7550.1uF C7580.1uF C75610uF 1 2 3 4 5 6 7 8 U720SA630 A A +5V N/C + 2 - 4 5 13 6 8 U722 TDA7052AN RECEIVE AUDIO HI RECEIVE AUDIO LO +15V C761 0.1uF C762 10uF L7041uH A A R75815 C760470uF A 135 26 T702 0-1616T6 A 1 6 3 4 2 5 T701 MET-31 +15V MIC AUDIO HI C72122uF C72210uF R728220 FL702 A A A D703TMPD914 C7232.2uF AC7250.1uF +5V A C724330pF A R7293.3k C726 0.01uF R73015k C72710uF +5V R732470k C72822pF TP705 R73316.2k C7320.1uF +5V C7310.1uF -5VA R73622k R7375.6k C7340.22uF + 2 - 4 5 13 6 8 U714TDA7052AT R746 10k CW 13 2 R7471k +15V C73710uF R738100L703 10uH +15V C7360.1uF C735330uF 1 3 2 JP702 DEVIATION R74822k C749100uF +5V C7530.1uF L7021uH TP704 BUFFER AUDIO LIMITER ATTENUATOR TP706 DEVIATION LEVELLING Vdd 1 CS 2 CLK 3 SDI 4 LD 5 CLR 6 GND 7 Vout 8 U717DAC8512 SERIAL DATA SERIAL CLK LOAD DEV CNTRL-RF AMP C7440.1uF C74310uF +5V C74510uF R7401k +5V R74339k C7480.1uF R76722k R76822k C7750.1uF R77047k C776 0.022uF C77910uF C7780.1uF +15V SIDETONE AMP R7524.7k R7534.7k C7630.1uFR75922 11 10 12 U721B MC14066BD 43 5 U721C MC14066BD 12 13 14 7 U721A MC14066BD 8 9 6 U721DMC14066BD R755 10k R756 NOT INSTALLED R75747k C7590.22uF CW 1 3 2 R754500k +5V +15V SIDETONE LEVEL +5V C777 0.22uF C7640.1uF TP708 SIDETONE/RX AUDIO SWITCHING TP709 RX PA MUTE R760100k FILTERED RX AUDIO GUARD RX AUDIO RECEIVER VOLUME CONTROL SUMMING AMPLIFIER AUDIO BANDPASS FILTER TX AUDIO TO SHEET 1 R73115k C7520.1uF -5VA R74922k FROM SHEET 1 C7660.22uF R762100kR763100k MAIN RX MUTE R761100k +5V R74110k R74220k RX RF TUNE C7470.047uF C7460.1uF +15V TP707 C765100uF R76410k D A A A A A A A A AA AA AA A A A A AA A A A A A A A A A A A A A AA A AA A A A A R80910k R810 47k R811470k R7451k A D7171N750A RX PLL LOCKED A +5V RX LOCK DETECT CW 13 2 R81250k C830 0.22uF R8131.5k A GUARDVOLUMEADJUST CW 13 2 R814500 MICGAIN JR AUDIO PROCESSING A PRE-EMPHASIS/ R84610k C8561000pF A C859100pF R863100 R864270 56 7 U719B SSM-2135S 32 1 48 U719ASSM-2135S 32 1 48 U713A SSM-2135S 56 7 U713B SSM-2135S INPUT 7 OUTPUT 2 VCC 1 GND 3 GND 4 GND 5 GND 6 U724 THB111A 56 7 U716BSSM-2135S A R8684.7k R86710k C8610.22uF C8622.2uF R869100k A AUX RECEIVE AUDIO R873100k D721 TMPD914 A TX AUDIOTEST VOLTAGE 32 1 48 U712A LMC6482AIM 56 7 U712B LMC6482AIM 32 1 48 U718A LMC6482AIM 56 7 U718BLMC6482AIM LDR MAY 23/97 401-1130.SCH SCHEMATIC NTX138-7\401-1 1.30 2/4 NTX138-7 NTX138 CONTROLLER SUBASSEMBLY TO SHEET 3 FROM SHEET 4FROM SHEET 3 TO SHEET 3TO SHEET 3 FROM SHEET 1 FROM SHEET 1 FROM SHEET 3 FROM SHEET 3 TO SHEET 1 TO SHEET 3 FROM SHEET 1 FROM SHEET 1FROM SHEET 1 FROM SHEET 1 FROM SHEET 1FROM SHEET 1 TEST 1 2 13 147 U715AMC14066BD C7380.1uF 11 10 12 U715BMC14066BD 43 5 U715C MC14066BD 8 9 6 U715DMC14066BD +5V SCRAMBLE/CLEAR R8792.2k C8630.01uF R73910k +5V SCR TX AUDIO FROM SHEET 4 FROM SHEET 1 C8650.047uF C8660.22uF A A A A A AUX TX AUDIO TO SHEET 4 1 3 2 JP703 SBS TX MOD OUT TX SBS IN TO SHEET 3 FROM SHEET 3 1. 1. 1. TP723 TP724 TP725 TP726 TP727 TP728 TP729 TP730 MAIN RX AUDIO FROM SHEET 3 JP707 R880100k +5V A R90733k 1. WIDE/NAR R90212k FROM SHEET 1

NORTHERN AIRBORNE TECHNOLOGY LTD. REV. SHEET DWG. NO. DWG. TYPE FILEDESIGNEDDRAWNDATECHECKEDAPPROVED SIZE CAGE CODE PART NO. TITLE B 3AB01 CONFIDENTIAL AND PROPRIETARY TO NAT LTD. 1.10 NOV 14/02 RB DW 3/4 SCHEMATIC NTX403-5 401-2110.SCH NTX403-5\401-2 NTX403 MAIN RECEIVER SUBASSEMBLY C611 1000pF C6090.1uF +5.0V C612470uF R57810 +5.0V C6100.01uF C5351.0uF R5884.7k R58956.2k C588 0.022uF C619 0.01uF TP511 TP512 TP513VCO CONTROL VOLTAGE ERROR SIGNAL LOOP FILTER PLL REF LOAD PLL CLOCK SYNTH SERIAL DATA C606 1000pF R570220 R571 10 C6070.01uF C608100uF R V R572100K R573100K R574100K +5.0V +5.0V +5.0V R575100k R576 22k R577470 A 2 K 1 DS501GREEN C6131.0uF +5.0V C5980.1uF C5970.1uF C5990.1uF +5.0V +12.0V POWER SUPPLY +15.0V C636100uF R601 10 +5.0V R602 2.2 C63947uF C64010uF R6042.2 C638470uF +15.0V R60347 C6441000pF R608 0.0 Vin 1 GND 2 OUT 3 TAB 4 U510LM340T-12 RX LOCK DETECT PLL FREQUENCY SYNTHESIZER FROM SHEET 1 TO SHEET 1 ALL 4 SIGNALS C647N/I R581806 R5922.49k R5802.67k R5912.49k R583 47 R5872.67k R57915k R58615k R5062.67k R569301 R582301 R5904.7k C51847pF C60147pF +15.0V C5890.1uF C600470pF C520470uF +15.0V C61547pF C6521000pF OSCILLATOR C6500.01uF Vin 1 GND 2 OUT 3 TAB 4 U511MIC2954-02BS C519 1000pF C651100pF PLL OSC C649100uF C648100uF REF OUT 1 LD 2 Pr 3 Pv 4 VPD 5 PD OUT 6 GND 7 Rx 8 TEST1 9 F in- 10 F in 11 Vcc(AMP) 12 TEST2 13 Vdd 14 OUT B 15 OUT A 16 ENABLE 17 CLK 18 DATA IN 19 REF IN 20 U513MC145193F FROM SHEET 4 TO SHEET 4 FREQUENCY SYNTHESIZER R526 0.0 +5.0V DATA 14 CLK 11 RESET 10 ST 12 OE 13 Q1 15 Q2 1 Q3 2 Q4 3 Q5 4 Q6 5 Q7 6 Q8 7 O 9 VCC 16 GND 8 U50174HC595 CLOCK S/R ENABLE R556100k +5.0V +5.0V +5.0V C6310.1uF 2 1 3 Q513 MMBT3904LT1 2 1 3 Q504 MMBT3906LT1 R5154.7k R55410k R562100k R525 1k +5.0V RX VCO ENABLE R555 N/I 10 TUNE 3 9 15 13 12 14 RF OUT 1 8 7 6 VCC 2 5 4 16 11 U516 UMZ-313-D16 SYNTH SERIAL DATA VCO TUNE VCO TUNE 2 1 3 Q508 MMBT3904LT1 2 1 3 Q509MMBT3904LT1 2 1 3 Q506 MMBT3904LT1 2 1 3 Q505 MMBT3904LT1 2 1 3 Q510 MMBT3904LT1 2 1 3 Q507MMBT3906LT1 2 1 3 Q512 MMBT3906LT1 2 1 3 Q511 MMBT3906LT1 VOLTAGE CONTROLLED OSCILLATOR PHASE LOCK LOOP VCO CONTROL PLL CHARGE PUMP RX LOCK DETECT INDICATOR FROM SHEET 1ALL 3 SIGNALS

NORTHERN AIRBORNE TECHNOLOGY LTD. REV. SHEET DWG. NO. DWG. TYPE FILEDESIGNEDDRAWNDATECHECKEDAPPROVED SIZE CAGE CODE PART NO. TITLE B 3AB01 PROPRIETARY AND CONFIDENTIAL TO NAT LTD. R771 0.27 R772 3.3k DS702 GREEN C780 0.01uF C781330uF L705 2.5 TURNS C783100uF R773390 D704 1N6286A D705 1N4750 C7820.1uF Q702 TMPT2222A C7840.1uF R778 5.6k R782 10k R77433k R776 3.3k R775 10k R779 2.2k C785 1uF R777 2.2k U726 IRF9540 D707 TMPZ5231 R7804.7k D706 TMPD914A +5V C7861uF POWER ON/OFF TX/RX ENABLE C787 0.1uF R7871.5k +5V R781100 R788 5.6k R790 1k U727 IRF9540 C8091uF R789100 TP712 C790330uF C7890.1uF D708 1N5817 C7880.1uF C79110uF D C8100.1uF MR 1 VCC 8 GND 4 SENSE 2 RESET 6 HYST 3 RESET 5 CTL 7 U725MAX700 4 13 U705D ULN2003L 5 12 U705E ULN2003L WIDE/NAR MAIN RX ACTIVESCAN SQUELCH SQ DISABLE +15V MAIN RX AUDIO RX RF TUNE SYNTH SERIAL CLOCK PLL ENABLE SYNTH SERIAL DATA LOAD PLL S/R PLL REF MAIN RX MUTE CTCSS DPTT SYNTH SERIAL CLOCK LOAD PLL S/R PLL REF TX HI/LO PWR PLL ENABLE SYNTH SERIAL DATA TX AUDIO MOD TX LOCK DETECT -5VA +15V +24VTX +24VPA GUARD RX ACTIVE SQ DISABLE GUARD RX AUDIOGUARD CHANNEL OPTION INSTALLED MIC AUDIO HI POWER ON/OFF RECEIVE AUDIO HI MIC KEYLINE RECEIVE AUDIO LO +15V A A A RX LOCK DETECT A A AA A A A A A AA A A A A A A A SERIAL DATA OUT LO SERIAL DATA OUT HI SERIAL DATA IN HI SERIAL DATA IN LO JR POWER CONDITIONING C8500.1uF A B E C Q701MJF-122 GUARD SQ AUX RECEIVE AUDIO DF AUDIO DF RSSI MAIN SQ DISABLE OUT EMERGENCY MODE DF AUDIO DF RSSI 1 EMERGENCY MODE 2 SERIAL DATA OUT LO 3 SERIAL DATA OUT HI 4 POWER ON/OFF 5 +28 VDC POWER 6 +28 VDC POWER 7 AUX RECEIVE AUDIO 8 POWER GROUND 9 RECEIVE AUDIO HI 10 RECEIVE AUDIO LO 11 AUDIO GROUND 12 RESERVED FUNCTION 13 RESERVED 14 SERIAL DATA IN HI 15 SERIAL DATA IN LO 16 DATA GROUND 17 DF AUDIO 18 DF RSSI 19 RT INSTALLED 20 POWER GROUND 21 MIC AUDIO HI 22 AUDIO GROUND 23 MIC KEYLINE 24 MIC AUDIO LO 25 MAIN SQ DISABLE OUT J70125 PIN DMIN MALE 1 AGND 2 GUARD RX ACTIVE 3 SQ DISABLE 4 GUARD RX AUDIO 5 GUARD CHANNEL 6 +15V 7 GUARD INSTALLED 8 GUARD SQ 9 DF AUDIO 10 DF RSSI J70210 PIN IDCTO J405, GUARD RECEIVER TO SHEET 3 DF OPTIONTO SHEET 3 DF OPTIONTO SHEET 1 1 +15V …

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