OACWH-320WIRELESS MICROPHONE TRANSMITTER

TABLE OF CONTENTS LIST APPLICANT: BANNER WIRELESS ELECTRONICS CO., LTD. FCC ID: OACWH-320 TEST REPORT: PAGE 1......COVER SHEET - GENERAL INFORMATION & TECHNICAL DESCR. PAGE 2......TECHNICAL DESCRIPTION CONTINUED PAGE 3......RF POWER OUTPUT PAGE 4......MODULATION CHARACTERISTICS PAGE 5......OCCUPIED BANDWIDTH PAGE 6......FIELD STRENGTH OF SPURIOUS EMISSIONS PAGE 7......METHOD OF MEASURING RADIATED SPURIOUS EMISSIONS PAGE 8......FREQUENCY STABILITY PAGE 9......CERTIFICATION OF TECHNICAL DATA PAGE 10......LIST OF TEST EQUIPMENT EXHIBITS: EXHIBIT 1.........POWER OF ATTORNEY LETTER EXHIBIT 2.........FCC ID LABEL SAMPLE EXHIBIT 3.........SKETCH OF FCC ID LABEL LOCATION EXHIBIT 4A........EXTERNAL FRONT VIEW PHOTOGRAPHS - BOTH MODELS EXHIBIT 4B........EXTERNAL FRONT VIEW PHOTOGRAPH - MDL WH-900 EXHIBIT 4C........EXTERNAL REAR VIEW PHOTOGRAPH - MDL WH-900 EXHIBIT 4D-4I.....INTERNAL COMPONENT SIDE PHOTOS - MDL WH-320 EXHIBIT 4J........INTERNAL SOLDER SIDE PHOTOGRAPH - MDL WH-320 EXHIBIT 4K-4N.....INTERNAL COMPONENT SIDE POTOS - MDL WH-900 EXHIBIT 4O........INTERNAL SOLDER SIDE PHOTOGRAPH - MDL WH-900 EXHIBIT 5.........BLOCK DIAGRAM EXHIBIT 6A-6D.....PARTS LIST EXHIBIT 7.........SCHEMATIC EXHIBIT 8A-8C.....USER'S MANUAL EXHIBIT 9A-D......CRYSTAL SPECIFICATION EXHIBIT 10A-B.....TUNING PROCEDURE EXHIBIT 11........AUDIO FREQUENCY RESPONSE GRAPH EXHIBIT 12........AUDIO INPUT VS DEVIATION GRAPH EXHIBIT 13........OCCUPIED B/W PLOT - NO AUDIO INPUT - WH-320 EXHIBIT 14........OCCUPIED B/W PLOT - 15 kHZ TONE INPUT - WH-320 EXHIBIT 15........OCCUPIED B/W PLOT - 15 kHZ TONE INPUT - WH-900 EXHIBIT 16........OCCUPIED BANDWIDTH PLOT APPLICANT: BANNER WIRELESS ELECTRONICS CO., LTD. FCC ID: OACWH-320 REPORT #: F:\CUS\B\BAN\BAN306A8.RPT PAGE: TABLE OF CONTENTS GENERAL INFORMATION REQUIRED FOR TYPE ACCEPTANCE 2.983 (a,b,c) BANNER WIRELESS ELECTRONICS CO., LTD. will manufacture the OACWH-320 in quantity, for use under FCC RULES PART  74.801, LOW POWER AUXILIARY STATIONS.   2.983 (d) TECHNICAL_DESCRIPTION (1) Type of Emission: 58K0F3E Bn=2M+2DK M = 1000 D = 19.5KHz (Peak Deviation) K=1 Bn = 2(1K) + 2(19.5K)(1) = 2K +38.4K = 40.4KHz M = 15,000 D = 19KHz K=1 Bn = 2(10K) + 2(19K) = 20 +38 = 58KHz 74.861(e)(5) ALLOWED AUTHORIZED BANDWIDTH = 200KHz. (2) Frequency Range: Part 74: 161.625-161.775MHz & 174-216MHz TEST FREQ = 210.25MHz. (3) Power Range and Controls:UNIT has no power controls. (4) Maximum Output Power Rating: 1.0 MilliWatts ERP. (5) DC Voltages and Current into Final Amplifier: FINAL AMPLIFIER ONLY 3.0V BATTERY 9.0V BATTERY Vce = 5.70 Volts Vce = 7.0 Ice = 2.0mA. Ice = 2.0 (6) Function of each electron tube or semiconductor device or other active circuit device: IC 4 MC4558 AUDIO PREAMPLIFIER & LIMITER 1C 1A S81332 VOLTAGE REGULATOR IC38 NE750 MODULATOR/LIMITER 71 2SC1623 VLOTAGE REGULATOR 74 2SC1623 VOLTAGE REGULATOR 11 2SC2884 DC TO DC CONVERTER 20 TR602 DC TO DC CONVERTER 39 HT1050 VOLTAGE REGULATOR 86 FET SIDEBAND OSCILLATOR 49 2SC1623 SIDEBAND SWITCH 67 2SA812 SWITCH TR40 2SC1623 BUFFER 55 2SC2059 RF OSCILLATOR 33 2SC2059 MULTIPLIER 30 2SC2059 MULTIPLIER 20 2SC2059 PA REPORT #: F:\CUS\B\BAN\BAN306A8.RPT PAGE #: 1 2.983(d) (7) Complete Circuit Diagrams: The circuit diagram is included as EXHIBIT 7. The block diagram is included as EXHIBIT 5. The part list is included as EXHIBIT 6A-6D. (8) Instruction book. The instruction manual is in- cluded as last item in this report. (9) Tune-up procedure. The tune-up procedure is given in page 10A-10B. (10) Description of all circuitry and devices provided for determining and stabilizing frequency. The transmitter frequency is controlled by a crystal, the crystal specifications are included in PAGE 9A-9D. (11) Description of any circuits or devices employed for suppresion of spurious radiation, for limiting modula- tion, and for limiting power. There are no devices or circuitry to limit the power, since this is a low power device. The interstage coupling between the RF stages as well as the low pass filter made up of L109, C8, C7, L106, and 820nH suppress the harmonics. Limiting Modulation: The transmitter audio circuitry is contained in IC4 & IC38. The modulation limiting is also provided by IC38. Limiting Power: There is no provision for limiting power. (12) Digital modulation. This unit does not use digital modulation. 2.983(e) The data required by 2.985 through 2.997 is sub- mitted below. APPLICANT: BANNER WIRELESS ELECTRONICS CO., LTD. FCC ID: OACWH-320 REPORT #: F:\CUS\B\BAN\BAN306A8.RPT PAGE #: 2 2.985(a) RF power output. MODEL NO. WH-320 ERP was measured by the method described later in this report. The input power to the final stage was measured with a 3.0V supply connected in place of the 2-1.5V battery.  INPUT POWER: FOR 3.0 V OPERATION (5.7V)(0.002A) = 11.4milliWatts OUTPUT POWER: FOR 3.0 V OPERATION 1.0 mWATTS ERP 2.985(a) RF power output. MODEL NO. WH-900 ERP was measured by the method described later in this report. The input power to the final stage was measured with a 9.V supply connected in place of the 9V battery. INPUT POWER: FOR 9.0 V OPERATION (7.0V)(0.002A) = 14.0milliWatts OUTPUT POWER: FOR 9.0 V OPERATION 1.0 mWATTS ERP R.F. POWER OUTPUT /-------\ /-----------------\ | | | | TRANSMITTER | | | |HP | UNDER TEST WITH | \--| |SPECTRUM | INTERNAL ANTENNA| | | |ANALYZER \-----------------/ | | | | | \-------/ |?- 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. The center of the Dipole antenna at the center of the platform and the output of the signal generator adjusted to produce the same meter reading as measured for the fundamental in the radiated emissions test. APPLICANT: BANNER WIRELESS ELECTRONICS CO., LTD. FCC ID: OACWH-320 REPORT #: F:\CUS\B\BAN\BAN306A8.RPT PAGE #: 3 2.987(a)(b) Modulation characteristics: AUDIO F…

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