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6-1
November 1998
Part No. 001-7600-001
ADJUSTMENT PROCEDURE
Figure 6-1 Test Setup
Programming Cable
Part No. 585-7500-031
Test Cable (Fabricated)
13.6 Volt, 17A
Power Supply
Wattmeter
Load
50 Ohm, 50W
Frequency
Monitor
4.0 Ohm Speaker Load
6.1 GENERAL
6.1.1 SUGGESTED TEST EQUIPMENT
The equipment that should be used to adjust this
transceiver is listed in the following table.
Equipment Grade and Range
DC power supply Output voltage 13.6 VDC
Current capacity 15A
RF power meter Measuring range 1-50 W
Freq range 146-512 MHz
Impedance 50 ohms
SWR Less than 1.2:1
Frequency counter Freq range 0.1-500 MHz
Freq accuracy ±1 ppm or better
Sensitivity 100 mV or better
FM deviation
meter
Freq range DC-520 MHz
Measuring range 0 to ±10 kHz
Audio generator Freq range 67-3000 Hz
Output level 1-500 mV
Attenuator Power atten. 50 or 60 dB
Capacity 50W
Standard Signal
Generator (SSG)
Freq range 146-520 MHz
Output level 0.1 µV-32 mV
(–127 to –17 dBm)
DC voltmeter Input impedance 50k
Ω
/V DC or
better
Oscilloscope Freq range DC-20 MHz
Measuring range 0.01-20V
AC millivoltmeter Measuring range 10 mV - 10V
External Speaker Input Impedance 4
Ω
Power Capacity 5 watts min.
Equipment Grade and Range
SECTION 6 ADJUSTMENT PROCEDURE