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SECTION 5. ADJUSTMENT
PROCEDURE
EQUIPMENT
GRADE AND RANGE
EQUIPMENT
GRADE AND RANGE
Adjustment software CS-M36/35
ADJ
(Revision 1.0 or later)
JIG cable
• OPC-478 or OPC-478UC
• Modifi ed OPC-1668
(See the illust below)
RF power meter
(50
Ω
terminated)
Measuring range
: 0.1–10 W
Frequency range
: 100–300 MHz
SWR
: Less than 1.2 : 1
Audio generator
(AG)
Frequency range
: 300–3000 Hz
Output level
: 1–500 mV
Modulation
Analyzer
Frequency range
: 30–300 MHz
Measuring range
: 0 to ±10 kHz
Frequency counter
Frequency range
: 0.1–300 MHz
Frequency accuracy : ±1 ppm or better
Input level
: Less than 1 mW
AC millivoltmeter
Measuring range
: 10 mV to 10 V
Standard signal
generator (SSG)
Frequency range
: 0.1–300 MHz
Output level
: 0.1 mV to 32 mV
(–127 to –17 dBm)
Attenuator
Power attenuation
: 30 dB
Capacity
: More than 10 W
Speaker
Impedance :
50
Ω
Capacity
: More than 1 W
¤
REQUIRED EQUIPMENTS
5-1 PREPARATION
¤
JIG CABLE
+
−
EXT. SPEAKER
(1 W/8
Ω)
SETTING;
Frequency : 1 kHz
Level
: 25 mVrms
Waveform : Sine wave
AUDIO GENERATOR
(300–3000 Hz/1–500 mV)
+ −
+ −
AC
MILLIVOLT METER
(10 mV to 10 V)
+
47 µF
+
4.7 µF
OPC-478/U/UC
WHITE (MIC)
(MIC line)
(SP line)
BLUE (CLONE)
SHIELD (GND)
(CLONE line)
OPC-1668
(Parts No.: 8900016260)
To the transceiver
RED (AFOUT)
PTT
33 k
Ω