NVSCTX-5000CTX-5000 (5 KW) SOLID STATE TRANSMITTER

25 February 1999 Chief, Equipment Authorization Branch Federal Communications Commission P. O. Box 358315 Pittsburgh, PA 15251-5315 RE:Application for Cubic Communications, Inc. FCC ID:NVSCTX5000 Dear Sir/Madam: Transmitted herewith, on behalf of Cubic Communications, Inc., is the application (FCC Form 731) for the Equipment Authorization by the Type Acceptance Procedure for the 5 kW HF Transmitter, Model CTX-5000. Please note that TÜV Product Service is the authorized agent for Cubic Communications, Inc. Direct all communications and send the grant to TÜV Product Service. If you have technical questions concerning this application, please contact me. All other correspondence should be directed to Judy Evans. The phone number is 619 546 3999 or e-mail at [email protected] or [email protected]. Sincerely, Mary Washington EMC Engineer enclosures

12 March 1999 Chief, Equipment Authorization Branch Federal Communications Commission P. O. Box 358315 Pittsburgh, PA 15251-5315 RE:Application for Cubic Communications, Inc. FCC ID:NVSCTX5000 Dear Sir/Madam: This letter is to correct the Form 731 and request that the above FCC ID: NVSCTX5000 be changed to FCC ID: NVSCTX-5000. Please note that TÜV Product Service is the authorized agent for Cubic Communications, Inc. Direct all communications and send the grant to TÜV Product Service. If you have technical questions concerning this application, please contact me. All other correspondence should be directed to Judy Evans. The phone number is 619 546 3999 or e-mail at [email protected] or [email protected]. Sincerely, Mary Washington EMC Engineer

15 March 1999 Chief, Equipment Authorization Branch Federal Communications Commission P. O. Box 358315 Pittsburgh, PA 15251-5315 RE:Application for Cubic Communications, Inc. FCC ID:NVSCTX5000 Dear Sir/Madam: Enclosed is the Form 159 for Cubic Communications. Please note the credit card payment on page 2. This form was previously submitted to an incorrect address. Please note that TÜV Product Service is the authorized agent for Cubic Communications, Inc. Direct all communications and send the grant to TÜV Product Service. If you have technical questions concerning this application, please contact me. All other correspondence should be directed to Judy Evans. The phone number is 619 546 3999 or e-mail at [email protected] or [email protected]. Sincerely, Mary Washington EMC Engineer enclosures

PHOTO LIST Image002PA5050A Front Image003PA5050A Side Image004PA5050A Rear Image006PA5050A Bottom Image007PA5050A Low Pass filter bottom Image008PA5050A Low Pass filter top Image009PA5050A Center Chassis Top Image0011PA5050A Center chassis side Image0012PA5050A Center chassis end Image0013PA5050A Single board Comp. Image0015PA5050A End center chassis Image0016PA5050A Bottom chassis Image0018PA5050A Chassis top Image0021PA5050A driver module - part of PA5050A and center chassis Image0022PA5050A Directional Coupler on center chassis Image0023PA5050A Bottom attenuator pre driver board Image0024PA5050A top attenuator Image0025PA5050A Combiner board Image0026T4180 Bottom chassis Image0027T4180 Synthesizer module top Image0028T4180 Bottom Synthesizer Image0029T4180 RF analog board top Image0030T4180 Bottom analog board Image0033T4180 Bottom chassis with cover removed from DSP module Image0034T4180 RS232 serial board Image0035T4180 Top chassis Image0036CTX5000 controller chassis Image0037CTX 5000 controller assembly rear Image0039CTX 5000 side Image0040CTX 5000 front Image0041Power supply side Image0043Power supply Rear Image0044Power supply front Image0045Power supply side Image0046Power supply Rear Image0047Combiner front Image0049DSP module top T4180 Image0050DSP module bottom Image0051Power supply T4180 Image0052PS board bottom T4180 Image0053Motherboard rear T4180 Image0054Motherboard front T4180 Image0055T4180 front chassis rear without DSP module Image0056T4180 Bottom of motherboard rear Image0057Power supply board rear Image0058T4180 AC line filter top Image0059T4180 AC line filter bottom Image0060PA5050 Display board Image0061Back CTX-5000 Image0068Display board side PA 5050 Image0069Display board front Image0070CTX controller driver board top Image0071“ “ “ “ side Image0073“ “ “ “ bottom Image0074“ “ “ “ edge PC0001Combiner top PC0002Combiner edge PC0003Combiner side PC0004Splitter board top PC0005Splitter top PC0006Splitter side PC0007Splitter edge PC0008Relay driver board top 5050A PC0009Relay driver board bottom PC00010Relay driver board edge PC00011Relay driver board other edge PC00012Single board computer top PC00013Single board computer bottom PC00014Single board computer edge

Report No. S8597-08 (FCC ID: NVSCTX5000) Page 1 of 93 Rev.No 1.0 MEASUREMENT AND TECHNICAL REPORT CUBIC COMMUNICATIONS, INC. 9535 Waples Street San Diego, CA 92121-2953 DATE: 25 February 1999 This Report Concerns: Original Grant: XClass II Change: Equipment Type: 5 kW HF Transmitter, Model CTX-5000, S/N 501 Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes: Defer until: No: X Company Name agrees to notify the Commission by: N/A of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes:*No: (*) FCC Part 2, Paragraphs 2.985, 2.987(a), (c), 2.991, 2993, Part 87, Paragraphs 87.131, 87.139, 87.141 Report Prepared by: TÜV PRODUCT SERVICE 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 619 546 3999 Fax: 619 546 0364 Report No. S8597-08 (FCC ID: NVSCTX5000) Page 2 of 93 Rev.No 1.0 TABLE OF CONTENTS Pages 1 GENERAL INFORMATION 4 1.1Product Description4 1.2Related Submittal Grant6 1.3Tested System Details6 1.4Test Methodology7 1.5Test Facility8 1.6Part 2 Requirements9 2 PRODUCT LABELING 11 Figure 2.1FCC ID Label12 Figure 2.2Location of Label on EUT13 3 SYSTEM TEST CONFIGURATION 14 3.1Justification14 3.2EUT Exercise Software14 3.3Special Accessories14 3.4Equipment Modifications14 3.5Configuration of Tested System14 Figure 3.1Configuration of Tested System14 4 BLOCK DIAGRAM OF EUT 15 4.1Block Diagram Description15 Figure 4.1Block Diagram of EUT16 5 RADIATED EMISSION DATA 17 Equipment 23 Field Strength Calculation 24 Report No. S8597-08 (FCC ID: NVSCTX5000) Page 3 of 93 Rev.No 1.0 6 CONDUCTED EMISSION DATA 25 Equipment 26 Equipment for Occupied Bandwidth 65 7Signature page 87 8Data Tested by Cubic Communications 88 Report No. S8597-08 (FCC ID: NVSCTX5000) Page 4 of 93 Rev.No 1.0 1 GENERAL INFORMATION 1.1Product Description NAME, MODEL, SERIAL # OF EUT:5 kW HF Transmitter, Model CTX-5000, S/N 501 DESCRIPTION OF EUT: Transmitter, output power = 5 kW maximum, ±1 dB; frequency range = 2-30 MHz. Components of EUT DescriptionModel NumberSerial NumberFCC ID Number Exciter Control unit Power supply Power supply PA 1 PA 2 PA 3 PA 4 PA 5 PA 6 Combiner T-4180 CTX-5000 30330 30330 PA5050A PA5050A PA5050A PA5050A PA5050A PA5050A 1260-D6 606 501 1011838 1010558 616 617 618 614 619 613 1578-980908 NVSCTX-1000 N/A N/A N/A NVSCTX-1000 N/A N/A N/A N/A N/A N/A OPERATING MODE(S): USB; AME I/O CABLES CONNECTION RF outputAC input PowerAudioSerial remote SHIELD YesNoYesYes CONNECTORS Type LCYesD-sub, 15-pinD-sub, 15-pin TERMINATION TYPE 50 ohm load------ LENGTH 6'50'---- REMOVABLE YesYesYesYes POWER CORDSSee I/O cables POWER INTERFACE FREQUENCY/AC/DC VOLTAGE:60 Hz/ 208 Vac PHASES/CURRENT:3 / -- OSCILLATOR FREQUENCIES FREQUENCY (MHz)EUT LOCATIONDESCRIPTION OF USE 10.000 MHz Variable 42.455-70.455 40 MHz 480 kHz 48 MHz 32 " 50 " 50 " 1.8432 MHz 1.8432 MHz T-4180 T-4180 5-4180 T-4180 T-4180 T-4180 PA-5050 CONTROLLER CONTROLLER PA-5050 Frequency reference 3rd L.O. 2nd L.O. 1st L.O. DSP clock CPU clock CPU clock CPU clock Uart clock Uart clock POWER SUPPLY DESCRIPTIONMANUFACTURERMODEL #SERIAL #SWITCHING/LINEAR FREQ. 28 Vdc, 330 AMPS 28 Vdc, 330 AMPS Power Ten Power Ten 30330 30330 1011838 1010558 Switching - frequency unknown. Report No. S8597-08 (FCC ID: NVSCTX5000) Page 5 of 93 Rev.No 1.0 POWER LINE FILTERS MANUFACTURERMODEL NO.QTY.LOCATION ON EUT Unknown Corcom Unknown 3EF2F 2 1 Power supplies T-4180 CRITICAL EMI COMPONENTS-- DESCRIPTION OF ENCLOSURE:Dual side-by-side 19" racks. INTERFACING AND/OR SIMULATORS PERIPHERAL EQUIPMENT: DESCRIPTIONMANUFACTURERMODEL #SERIAL #FCC ID N/A Report No. S8597-08 (FCC ID: NVSCTX5000) Page 6 of 93 Rev.No 1.0 1 GENERAL INFORMATION (continued) 1.2Related Submittal/Grant None 1.3Tested System Details The FCC IDs for all equipment, plus descriptions of all cables used in the tested system are: None Report No. S8597-08 (FCC ID: NVSCTX5000) Page 7 of 93 Rev.No 1.0 1.4Test Methodology Purpose of Test:To demonstrate compliance with the ANSI C63.4 setup. Test Performed:X1. Conducted Emissions, FCC Part 2, ParagraphS 2.987(a)(c); 2.989; 2.991 and Part 87, Paragraph 87.139 2. Radiated Emissions EN55022: 1992 Class B limit, 30 - 1,000 MHz, 10 meters X3. Radiated Emission per FCC Part 2, Paragraph 2.993, & Part 87, Paragraph 87.139 4. Engineering evaluations 5. Frequency Stability, Part 2, Paragraph 2.995, and Part 87, Paragraph 87.133 XRF Output Power, Part 2, Paragraph 2.985, Part 87, Paragraph 87.131 Both Conducted and radiated testing were performed according to the procedures in FCC/ANSI C63.4 and CSA 108.8 - M1983. Radiated testing was performed at an antenna-to-EUT distance of 3 meters (1 - 10 GHz). Report No. S8597-08 (FCC ID: NVSCTX5000) Page 8 of 93 Rev.No 1.0 1.5Test Facility The open area test site and conducted measurement data were tested by: TÜV PRODUCT SERVICE 10040 Mesa Rim Road San Diego, CA 92121-2912 Phone: 619 546 3999 Fax: 619 546 0364 The Test Site Data and performance comply with ANSI 63.4 and are registered with the FCC, 7435 Oakland Mills Rd, Columbia Maryland 21046. All Measurement Data is acquired according to the content of FCC Measurement Procedure and ANSI C63.4, unless supplemented with additional requirements as noted in the test report. Report No. S8597-08 (FCC ID: NVSCTX5000) Page 9 of 93 Rev.No 1.0 1.6 Part 2 Requirements Production Quantity - more than one Technical description which shall include following items: Type or types of emission. 3K15J3E; 3K00H3E Frequency Range. 2-30 MHz Frequency tolerance ±10 Hz Emission Designator: 300kH3E; 300kJ3E Microprocessor: i386EX Range of Operating Power values or specific operating power levels; Description of any means provided for variation of operating power. 100-5000 W Maximum power rating.5000 W DC voltages applied to and dc currents into the final radio frequency amplifying device for normal operation over the power range. 28 V, 30 Amps maximum Function of each electron tube or semiconductor or other active circuit device. In manual…

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