5 - 1
SECTION 5 ADJUSTMENT PROCEDURES
5-1 PREPARATION
■ REQUIRED TEST EQUIPMENT
EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
RF voltmeter
FM deviation meter
Audio generator
GRADE AND RANGE
Output Voltage : 13.2 V DC
Current capacity : 15 A or more
Measuring range : 1–50 W
Frequency range : 100–300 MHz
Impedance : 50 Ω
SWR : Less than 1.2 : 1
Frequency range : 0.1–600 MHz
Frequency accuracy: ±1 ppm or better
Sensitivity : 100 mV or better
Frequency range : 0.1–600 MHz
Measuring range : 0.01–10 V
Frequency range : DC–600 MHz
Measuring range : 0 to ±10 kHz
Frequency range : 300–3000 Hz
Measuring range : 1–500 mV
EQUIPMENT
Standard signal
generator (SSG)
Oscilloscope
DC voltmeter
Digital multimeter
AC millivoltmeter
External speaker
Attenuator
Terminator
GRADE AND RANGE
Frequency range : 0.1–600 MHz
Output level : 0.1 µV –32 mV
(–127 to –17 dBm)
Frequency range : DC–20 MHz
Measuring range : 0.01–20 V
Input impedance : 50 kΩ/V DC or
better
Measuring range : 10 mV –10 V
Input impedance : 10 MΩ/V DC or
better
Input impedance : 4 Ω
Capacity : 5 W or more
Power attenuation : 40 dB or 50 dB
Capacity : 50 W or more
Impedance : 50 Ω
Capacity : 50 W or more
+
.
pin 6 (MIC)
pin 4 (PTT)
pin 7 (GND)
pin 5 (MICE)
to the antenna connector
to the microphone connector
STANDARD SIGNAL GENERATOR
100–300 MHz
–127 to –17 dBm (0.1 µV to 32 mV)
RF POWER METER
50 Ω/1–50 W
AUDIO GENERATOR
300 Hz to 3 kHz
FM DEVIATION
METER
ATTENUATOR
40 dB or 50 dB
POWER SUPPLY
13.2 V/15 A or more
CAUTION!
DO NOT transmit
while an SSG is
connected to the
antenna connector.
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