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5-1
SECTION 5. ADJUSTMENT
PROCEDURE
M
CONNECTION
M
JIG CABLE
M
REQUIRED EQUIPMENTS
EQUIPMENT
GRADE AND RANGE
EQUIPMENT
GRADE AND RANGE
JIG cable
Modifi ed modular cable.
(See the illustration shown below.)
Frequency counter
Range:
0.1–600 MHz
Accuracy:
±1 ppm or better
Input level:
Less than 1 mW
RF power meter
(50
terminated)
Measuring range:
0.1–60 W
Frequency range:
100–600 MHz
SWR:
Less than 1.2 : 1
Modulation
Analyzer
Frequency range:
30–600 MHz
Measuring range:
0 to ±10 kHz
Standard signal
generator (SSG)
Frequency range:
0.1–600 MHz
Output level:
–20 dBµ to 90 dBµ
(–127 to –17 dBm)
AC millivoltmeter
Measuring range:
10 mV to 10 V
Audio generator
(AG)
Frequency range:
300–3000 Hz
Output level:
1–500 mV
Attenuator
Attenuation:
40 dB
Capacity:
More than 60 W
5-1 PREPARATION
8-pin modular jack
q
iuytrew
q
w
e
r
t
y
u
i
8V
MICU/D
EXTMIC
PTT
MICE
MIC
GND
MICIN
y
(MIC)
w
(MICU/D)
u
(GND)
r
(PTT)
u
(GND)
t
(MICE)
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
+ −
22 k
Ω
+ −
AC MILLIVOLTMETER
(10 mV to 10 V)
PTT
JIG cable
To
[MIC]
SETTING;
Frequency : 1 kHz
Level
: 20 mVrms (Except [USA] version)
80 mVrms ([USA] version)
Waveform : Sine wave
IC-2730A/E (Rear view)
FM
deviation meter
to the antenna connector
Attenuator
40 dB
RF power meter
0.1–60 W/50
Ω
Frequency
counter
Standard signal generator
–20 dBµ to 90 dBµ
(–127 dBm to –17 dBm)
DO NOT
transmit while
an SSG is connected to
the antenna connector.