O99SDU-2000UHF Data Transceiver

TABLE OF CONTENTS LIST APPLICANT: TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 TEST REPORT: PAGE 1......COVER SHEET - GENERAL INFORMATION & TECHNICAL DESCR. PAGE 2......TECHNICAL DESCRIPTION CONTINUED & RF POWER OUTPUT PAGE 3......RF POWER OUTPUT AND MODULATION CHARACTERISTICS PAGE 4-5....OCCUPIED BANDWIDTH PAGE 6......SPURIOUS EMISSIONS AT ANTENNA TERMINALS PAGE 7......FIELD STRENGTH OF SPURIOUS EMISSIONS PAGE 8......METHOD OF MEASURING RADIATED SPURIOUS EMISSIONS PAGE 9......FREQUENCY STABILITY PAGE 10-11..TRANSIENT FREQUENCY STABILITY PAGE 12.....LIST OF TEST EQUIPMENT EXHIBITS CONTAINING: EXHIBIT 1.........FCC ID LABEL SAMPLE AND SKETCH OF LOCATION EXHIBIT 2A........EXTERNAL FRONT VIEW PHOTOGRAPH EXHIBIT 2B........EXTERNAL REAR VIEW PHOTOGRAPH EXHIBIT 2C........EXTERNAL SIDE VIEW PHOTOGRAPH EXHIBIT 2D........EXTERNAL TOP VIEW PHOTOGRAPH EXHIBIT 2E........INTERNAL COMPONENT SIDE PHOTOGRAPH EXHIBIT 2F........INTERNAL SOLDER SIDE PHOTOGRAPH EXHIBIT 3.........USER'S MANUAL EXHIBIT 4.........THEORY OF OPERATION EXHIBIT 5.........TUNING PROCEDURES AND PROGRAMMING EXHIBIT 6.........BLOCK DIAGRAM EXHIBIT 7.........SCHEMATIC EXHIBIT 8.........TEST SET UP PHOTO EXHIBIT 9A........OCCUPIED B/W PLOT - CW - 12.5 kHZ CH B EXHIBIT 9B........OCCUPIED B/W PLOT - CW - 25 kHZ CH A EXHIBIT 9C........OCCUPIED B/W PLOT -9600 BAUD/825Hz -12.5 kHZ CH B EXHIBIT 9D........OCCUPIED B/W PLOT -9600 BAUD/825Hz -25 kHZ CH A EXHIBIT 10........AUDIO FREQUENCY RESPONSE PLOT EXHIBIT 11A.......MODULATION LIMITING- 12.5kHz - 300 Hz EXHIBIT 11B.......MODULATION LIMITING- 25kHz - 300 Hz EXHIBIT 11C.......MODULATION LIMITING- 12.5kHz - 1000 Hz EXHIBIT 11D.......MODULATION LIMITING- 25kHz - 1000 Hz EXHIBIT 11E.......MODULATION LIMITING- 12.5kHz - 3000 Hz EXHIBIT 11F.......MODULATION LIMITING- 25kHz - 3000 Hz EXHIBIT 12A-12D...TRANSIENT FREQUENCY RESPONSE PLOTS APPLICANT: TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 REPORT #: T:\CUS\T\TECNET\91Z0\91Z0RPT.doc PAGE: TABLE OF CONTENTS GENERAL_INFORMATION_REQUIRED FOR_TYPE_ACCEPTANCE 2.1033 TECNET INTERNATIONAL INC. will sell the (c)(1)(2) MODEL NO. O99SDU-2000 UHF transceiver in quantity, for use under FCC RULES PART 22 & 90. 2.1033 (c) TECHNICAL DESCRIPTION 2.1033 (3) User Manual See Exhibit 3 2.1033 (4) Type of Emission: 20K0F2D For 25KHz 10K0F2D For 12.5KHz For 25KHz Bn = 2M + 2DK M = 19,200 Bits per second D = 0.4KHz (Peak Deviation) K = 1 Bn = 2(19,200/2) + 2(0.4K)(1) = 19.2K + 0.8K = 20.0K ALLOWED AUTHORIZED BANDWIDTH = 20.00KHz. For 12.5KHz Bn = 2M + 2DK M = 9600Bits per second D = 0.825kHz (Peak Deviation) K = 1 Bn = 2(9.6/2)k + 2(0.825)K(1) = 9.6K + 1.65K = 11.25K ALLOWED AUTHORIZED BANDWIDTH = 11.25KHz. 90.209(b)(5) 2.1033 (5) Frequency Range: 460-470 MHz (6) Power Range and Controls:There are NO user Power controls. (7) Maximum Output Power Rating: 2.0 Watts , into a 50 ohm resistive load. (8) DC Voltages and Current into Final Amplifier: POWER INPUT FINAL AMPLIFIER ONLY Vce = 12.0 Volts Ice = 0.570 A Pin = 6.84 Watts APPLICANT: TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 REPORT #: T:\CUS\T\TECNET\91Z0\91Z0RPT.doc PAGE #: 1 (9) Tune-up procedure. The tune-up procedure is given in EXHIBIT 5. 2.1033 (10) Complete Circuit Diagrams: The circuit diagram is included as EXHIBIT 7. The block diagram is included as EXHIBIT 6. 2.1033(c)(11) A photograph or drawing of the equipment identification label is shown in Exhibit 1. 2.1033(c)(12) Photographs of the equipment of sufficient clarity to reveal equipment construction and layout and label location are shown in Exhibit &PHOTOS. 2.1033(c)(13) For equipment employing digital modulation, a detail description of the modulation technique. This UUT uses FSK to modulate the transmitter. 2.1033(c)(14) 2.1046(a) RF_power_output. RF power is measured by connecting a 50 ohm, resistive wattmeter to the RF output connector. With a nominal battery voltage of 13.6VDC, and the transmitter properly adjusted the RF output measures: POWER OUTPUT INPUT POWER: (12.0V)(0.57A) = 6.84 Watts OUTPUT POWER: 2.0 Watts Efficiency: 29.3% APPLICANT: TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 REPORT #: T:\CUS\T\TECNET\91Z0\91Z0RPT.doc PAGE #: 2 METHOD OF MEASURING RF POWER OUTPUT /-----------\ /---------\ |Transmitter|---------------------|50 ohm | |under test | |Resistive| \-----------/ |Wattmeter| | \---------/ /-----------\ |Power | |Supply | \-----------/ 2.1047(a) MODULATION CHARACTERISTICS AUDIO FREQUENCY RESPONSE. The audio frequency response was measured in accordance with TIA/EIA specification TIA/EIA-603 S2.2.6.2.1. The audio frequency response curve is show in in Exhibit 10. 2.1049 AUDIO LOW PASS FILTER. This UUT does not have a low pass filter. 2.1049 AUDIO INPUT VS MODULATION. The audio frequency input vs deviation was measured in accordance with TIA/EIA Specification 603 S2.2.6.2.1 with the following exceptions; starting with 1000 Hz, the input was increased well beyond the deviation changing. This measurement was repeated for the band limits and any frequency deemed appropriate. See Exhibit 11A-11F. |RMS | /------------------------|VOLTMETER | | \----------/ /-----------\ /-----------\ /---------\ |Transmitter| |Standard | | TEST | |under test |-----------|Transmitter|-----------| RECEIVER| \-----------/ |Probe | \---------/ \-----------/ APPLICANT: TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 REPORT #: T:\CUS\T\TECNET\91Z0\91Z0RPT.doc PAGE #: 3 2.1049 Occupied_bandwidth: 90.210(c,) For transmitters that are not equiped with an audio low pass filter pursant to S90.211(b), the power of any emission must be attenuated below the unmodulated carrier ouptut power as fol- lows; (1) On any frequency removed from the center of the author- ized bandwidth ba a displacement frequency(fd in kHz) of more than 5kHz but not more than10KHz: At least 83 log(fd/5)dB; (2)ON any frequency removed from the center of the authorized bandwidth b y a displacement frequency(fd in kHz) of more than 10kHz, but not more than 250% of the authorized bandwidth: At le…

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TecNet Intrnational Inc. SDU-2000 0 10 20 30 40 50 60 70 80 90 100 100100010000 Frequency rms mVolts audio response TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 JOB #: 91Z0 EXHIBIT #: 10

Modulation Limiting TecNet International Inc. SDU-2000 (12.5kHz) 0 500 1000 1500 2000 2500 00.020.040.060.080.1 rms Volts Deviation 300 Hz TECNET INTERNATIONAL INC. FCC ID: 099SDU-2000 JOB #: 91Z0 EXHIBIT #: 11A

Modulation Limiting TecNet International Inc. SDU-2000 (25kHz) 0 500 1000 1500 2000 2500 00.020.040.060.080.1 rms Volts Deviation 300 Hz TECNET INTERNATIONAL INC. FCC ID: 099SDU-2000 JOB #: 91Z0 EXHIBIT #: 11B

Modulation Limiting TecNet International Inc. SDU-2000 (12.5kHz) 0 500 1000 1500 2000 2500 3000 00.050.10.15 rms Volts Deviation 1000 Hz TECNET INTERNATIONAL INC. FCC ID: O99SUD-2000 JOB #: 91Z0 EXHIBIT #: 11C

Modulation Limiting TecNet International Inc. SDU-2000 (25kHz) 0 500 1000 1500 2000 2500 3000 00.050.10.15 rms Volts Deviation 1000 Hz TECNET INTERNATIONAL INC. FCC ID: 099SDU-2000 JOB #: 91Z0 EXHIBIT #: 11D

Modulation Limiting TecNet Internaional Inc. SDU-2000 (12.5kHz) 0 500 1000 1500 2000 2500 050100150200 rms mVolts Deviation 3000 Hz TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 JOB #: 91Z0 EXHIBIT #: 11E

Modulation Limiting TecNet Internaional Inc. SDU-2000 (25kHz) 0 500 1000 1500 2000 2500 050100150200 rms mVolts Deviation 3000 Hz TECNET INTERNATIONAL INC. FCC ID: 099SDU-2000 JOB #: 91Z0 EXHIBIT #: 11F

2.1051 Spurious emissions at antenna terminals(conducted): Data on the following page shows the level of con- ducted spurious responses. The carrier was modu- lated 100% using a 2500Hz tone. The spectrum was scanned from 0.4 to at least the 10th harmonic of the fundamental. The measurements were made in accordance with standard TIA/EIA-603. Method of Measuring Conducted Spurious Emissions /--------\ |HP | |Spectrum| |Analyzer| |8566B | \--------/ /----\ /-----------\ /-----------------\ /---------\ | L | |TRANSMITTER| | 50 OHM RESISTIVE| | | | O | | UNDER TEST|------| LOAD |-----| |-----| A | \-----------/ \-----------------/ \---------/ \-D--/ ATTENUATOR REQUIREMENTS: Emissions must be 43 +10log(Po) dB below the mean power output of the transmitter. For 25KHz 43 + 10log(2.0) = 43+ 3.01 = 46.01 dB * For 12.5KHz 50 + 10log(Po) = 50 + 3.01 = 53.01 dB EMISSION dB BELOW * FREQUENCY CARRIER Margin ___MHz___ _________ ______ 464.60 00.00 929.20 -83.40 30.39 1393.80 -100.40 47.39 1858.40 -93.60 40.59 2323.00 -92.30 39.29 2787.60 -117.30 64.29 3252.20 -101.80 48.79 3716.80 -91.10 38.09 4181.40 -103.90 50.89 4646.00 -98.60 45.59 METHOD OF MEASUREMENT: The procedure used was TIA/EIA-603 STANDARD without any exceptions. An audio generator was connected to the UUT through a dummy microphone circuit and the output of the transmitter connected to a standard load and from the standard load through a pre- selector filter of the spectrum analyzer. The spectrum was scanned from 400KHz to at least the tenth harmonic of the fundamental using a HP model 8566B spectrum analyzer. The measurements were made using the shielded room located at TIMCO ENGINEERING INC. 849 N.W. State Road 45, Newberry, Florida 32669. APPLICANT: TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 REPORT #: T:\CUS\T\TECNET\91Z0\91Z0RPT.doc PAGE #: 6 2.1053 Field strength of spurious emissions: NAME OF TEST: RADIATED SPURIOUS EMISSIONS REQUIREMENTS: Emissions must be 50 +10log(Po) dB below the mean power output of the transmitter. 50 + 10log(2.0) = 53.01 dB TEST DATA: EMISSION METER COAX FIELD FREQUENCY READING LOSS ACF STRNGTH ATT. MARGIN MHz @ 3m dBuV dB dB dBuV/m dBuv/m dB ANT 467.90 108.40 1.60 18.56 128.56 0.00 0.00 H 935.80 21.60 2.90 24.19 48.69 79.88 26.87 H 1403.70 28.70 1.00 25.61 55.31 73.25 20.24 V 1871.60 24.40 1.01 27.49 52.90 75.66 22.65 V 2339.50 28.60 1.08 28.85 58.53 70.03 17.02 V 2807.40 0.40 1.15 30.02 31.57 96.99 43.98 V 3275.30 19.40 1.22 31.19 51.81 76.75 23.74 V 3743.20 8.50 1.29 32.36 42.15 86.41 33.40 V 4211.10 3.30 1.36 33.24 37.90 90.66 37.65 V 4679.00 3.10 1.43 33.76 38.30 90.27 37.26 V METHOD OF MEASUREMENT: The tabulated Data shows the results of the radiated field strength emissions and attenuation calculated per TIA/EIA 603. The spectrum was scanned from 30 to at least the tenth harmonic of the fundamental. This test was conducted per TIA/EIA 603. Measurements were made at the open field test site of TIMCO ENGINEER- ING INC. located at 849 N.W. STATE ROAD 45, NEWBERRY, FL 32669. APPLICANT: TECNET INTERNATIONAL INC. FCC ID: O99SDU-2000 REPORT #: T:\CUS\T\TECNET\91Z0\91Z0RPT.doc PAGE #: 7