AMWUT873

TABLE OF CONTENTS LIST APPLICANT: UNIDEN AMERICA CORPORATION FCC ID: AMWUT873 TEST REPORT: PAGE 1......COVER SHEET - GENERAL INFORMATION & TECHNICAL DESCR. PAGE 2......TECHNICAL DESCRIPTION CONTD. & RF POWER OUTPUT PAGE 3......RF POWER OUTPUT CONTD. & MODULATION CHARACTERISTICS PAGE 4......OCCUPIED BANDWIDTH PAGE 5......FIELD STRENGTH OF SPURIOUS EMISSIONS PAGE 6......METHOD OF MEASURING RADIATED SPURIOUS EMISSIONS PAGE 7......FREQUENCY STABILITY PAGE 8......CERTIFICATION OF TECHNICAL DATA AND LIST OF TEST EQUIPMENT APPLICANT: UNIDEN AMERICA CORPORATION FCC ID: AMWUT873 DATE: 24 Jan. 2000 REPORT #: T:\CUS\U\UNIDEN\UNI506Z9\UAC506Z9.RPT PAGE: TABLE OF CONTENTS GENERAL INFORMATION REQUIRED FOR TYPE ACCEPTANCE 2.1033 (a,b,c) UNIDEN AMERICA CORPORATION will manufacture the FCCID: AMWUT873 FAMILY RADIO SERVICES 14 CHANNEL TRANSCEIVER in quantity, for use under FCC RULES PART 95. 2.1033 (c) TECHNICAL DESCRIPTION 2.1033(b) (4) Type of Emission: 11K0F3E 95.631 Bn=2M+2DK M = 3000 DK = 2200 Bn = 2(3.0)+2(2.2) = 10.4 K (Rounded up to 11.0K) Authorized Bandwidth 12.5KHz 2.1033(c) (5) Frequency Range: 1. 462.5625 8. 467.5625 95.629(d) 2. 462.5875 9. 467.5875 3. 462.6125 10. 467.6125 4. 462.6375 11. 467.6375 5. 462.6625 12. 467.6625 6. 462.6875 13. 467.6875 7. 462.7125 14. 467.7125 MHz 2.1033(c)(6) Power Output shall not exceed 0.500 Watts effective 95.639(d) radiated power. There can be no provisions for 95.647 increasing the power. 2.1033(c)(7) Maximum Output Power Rating: 500 milliWatts 95.639(d) effective radiated power. 95.647 The antenna is an intergral part to the unit, it cannot be removed without rendering the unit inoperative. In order to remove the antenna the case must unscrewed, then the PCB assemblies must be removed then the antenna can be removed. 2.1033(c)(8) DC Voltages and Current into Final Amplifier: FINAL AMPLIFIER ONLY Vce = 4.5 Volts DC Ice = 0.31A. Pin = 1.42 Watts APPLICANT: UNIDEN AMERICA CORPORATION FCC ID: AMWUT873 DATE: 24 Jan. 2000 REPORT #: T:\CUS\U\UNIDEN\UNI506Z9\UAC506Z9.RPT PAGE #: 1 2.1033(c)(9) Tune-up procedure. The tune-up procedure is included 2.1033(c)(10) Complete Circuit Diagrams: The circuit diagram is included. The block diagrams are included. 2.1033(c)(11) Photograph or Drawing of Label: Included 2.1033(c)(12) Photos of Equipment: Included (13) Digital modulation. This unit does not use digital modulation. 2.1033(7) RF power output. 95.639 RF power is measured by measuring the radiated power at 3 meters and then replacing the transmitter with a signal generator to determine the effective radiated power. The ERP shall not exceed 0.500 Watts. MEASURED POWER OUTPUT = 500 milliWatts ERP APPLICANT: UNIDEN AMERICA CORPORATION FCC ID: AMWUT873 DATE: 24 Jan. 2000 REPORT #: T:\CUS\U\UNIDEN\UNI506Z9\UAC506Z9.RPT PAGE #: 2 R.F. POWER OUTPUT HP TEST SET UP Spectrum Analyzer /-------\ /-----------------\ | | | | TRANSMITTER | | | | | UNDER TEST WITH | \--| | | INTERNAL ANTENNA| | | | \-----------------/ | | | | | \-------/ || |<-- 3.0 meters-->| /-------------\ | SIGNAL | DIPOLE | Tuned, Calibrated | GENERATOR | ANTENNA | Antenna which may | |----------/ be raised from 1 \-------------/ to 4 meters above ground and changed in polarization Equipment placed 1 meter above ground on a rotatable platform. 2.1047(a)(b) Modulation characteristics: AUDIO FREQUENCY RESPONSE The audio frequency response was measured in ac- cordance with TIA/EIA Specification 603. The audio frequency response curve is shown on the next page. The audio signal was fed into a dummy microphone circuit and into the microphone connector. The input required to produce 30 percent modulation level was measured. 2.1047(b) Audio input versus modulation The audio input level needed for a particular per- percentage of modulation was measured in accor- dance with TIA/EIA Specification 603. The audio input curves versus modulation are on the following pages. Curves are provided for audio input frequen- cies of 300, 1000, and 3000 Hz. 95.637(b) Post Limiter Filter The filter must be between the modulation limiter and the modulated stage. At any frequency between 3 & 20KHz the filter must have an attenuation of 60log (f/3) greater tha the attenuation at 1KHz. see the proceeding page. APPLICANT: UNIDEN AMERICA CORPORATION FCC ID: AMWUT873 DATE: 24 Jan. 2000 REPORT #: T:\CUS\U\UNIDEN\UNI506Z9\UAC506Z9.RPT PAGE #: 3 2.1049 EMISSION BANDWIDTH: 95.635(b)(1)(3)(7) Data in the plots shows that the sidebands from greater than 50% to 100% of the authorized bandwidth must be attenuated by at least 25dB and from 100 to 250% the sidebands must be attenuated by at least 35dB. Beyond 250% the sidebands must be attenuated by at least 43+log10(TP). The transmitter was modulated with 2500 Hz, adjusted for 50% modulation plus 16 dB. The spectrum analyzer was set with the unmodulated carrier at the top of the screen. The test procedure diagram and occupied bandwidth PLOTS follow. Radiotelephone transmitter with modulation limiter. Test procedure diagram OCCUPIED BANDWIDTH MEASUREMENT /-----------\ Coupler /---------\ | | ---- | | |Transmitter|--------------------------|50 ohm | |under test | ---- |Resistive| \-----------/ | |Wattmeter| | | \---------/ || /-----------\ /----------\ |||| |Audio | | Spectrum | |Oscillator | | Analyzer | \-----------/ \----------/ APPLICANT: UNIDEN AMERICA CORPORATION FCC ID: AMWUT873 DATE: 24 Jan. 2000 REPORT #: T:\CUS\U\UNIDEN\UNI506Z9\UAC506Z9.RPT PAGE #: 4 2.1051 Not Applicable, no antenna terminal allowed. 2.1053(a)(b) UNWANTED RADIATION: 95.635(b)(7) REQUIREMENTS: Emissions must be attenuated by at least the following below the output of the transmitter. 43 + 10log(TP) = 43 + 10log(0.5) = 40.00dB TEST DATA: EMISSION METER COAX FIELD FCC FREQUENCY READING LOSS ACF STRENGTH LIMIT MARGIN MHz @ 3m dBuV dB dB dBuV/m dB dB ANT. 467.71 103.40 1.60 18.56 123.56 124.37 0.81 V 935.42 40.00 2.90 24.18 67.08 40.00 27.08 H 1403.13R 37.90 1.00 25.61 64.51 40.00 24.51 H 1870.84 29.30 1.01 27.48 57.79 40.00 27.…

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Modulation Limiting Uniden America Corp. AMWUT873 0 500 1000 1500 2000 2500 00.020.040.060.080.10.12 rms Volts Deviation 300 Hz

Modulation Limiting Uniden America Corp. AMWUT873 0 500 1000 1500 2000 2500 00.0050.010.0150.02 rms Volts Deviation 1000 Hz

Modulation Limiting Uniden America Corp. AMWUT873 0 500 1000 1500 2000 00.0020.0040.0060.008 rms Volts Deviation 3000 Hz

Uniden America Corp. AMWUT873 0 5 10 15 20 25 30 35 40 45 100100010000 Frequency rms mVolts audio response

Uniden America Corp. AMWUT873 -80 -70 -60 -50 -40 -30 -20 -10 100010000100000 Frequency dB LPF response

Uniden America Corp. AMWUT873 0 10 20 30 40 50 60 100100010000 Frequency rms mVolts audio response