5 - 1
SECTION 5 ADJUSTMENT PROCEDURES
5-1 PREPARATION
All adjustments in this section must be performed on wide bandwidth condition unless specified otherwise.
(Narrow bandwidth is selectable for Europe and Italy vertions only.)
‘‘
REQUIRED TEST EQUIPMENT
‘‘
CONNECTION
EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
FM deviation meter
DC voltmeter
GRADE AND RANGE
Output voltage : 13.8 V DC
Current capacity : 20 A or more
Measuring range : 1–80 W
Frequency range : 100–600 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 : 30–600 MHz
Measuring range : 0 to ±10 kHz
Input impedance : 50 kΩ/V DC or better
EQUIPMENT
Audio generator
Standard signal
generator (SSG)
Oscilloscope
AC millivoltmeter
External speaker
Attenuator
GRADE AND RANGE
Frequency range : 300–3000 Hz
Measuring range : 1–500 mV
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
Measuring range : 10 mV–10 V
Input impedance : 8 Ω
Capacity : 4 W or more
Power attenuation : 50 or 60 dB
Capacity : 100 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
0.1–600 MHz
–127 to –17 dBm (0.1 µV to 32 mV)
RF POWER METER
50 Ω, 1–80 W
AUDIO GENERATOR
300 Hz to 3 kHz
FM DEVIATION
METER
ATTENUATOR
50 dB or 60 dB
POWER SUPPLY
13.8 V, 20 A or more
CAUTION!
DO NOT transmit
while an SSG is
connected to the
antenna connector.
Controller unit
To Next Page
Loading...
Need help?
General
