ADJUSTMENT PROCEDURE
¤ JIG CABLE
EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE
Cloning software
ADJ-M73 ADJUSTMENT SOFTWARE
(Revision 1.0 or later)
JIG cable
Modifi ed OPC-478UC and OPC-922
(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
Frequency counter
Range : 0.1–300 MHz
Accuracy : ±1 ppm or better
Input level : Less than 1 mW
Modulation
Analyzer
Frequency range : 30–300 MHz
Measuring range : 0 to ±10 kHz
Standard signal
generator (SSG)
Frequency range : 0.1–300 MHz
Output level : –20 dBµ to 90 dBµ
(–127 to –17 dBm)
AC millivoltmeter Measuring range : 10 mV to 10 V
Oscilloscope
Frequency range : DC–20 MHz
Measuring range : 0.01–20 V
Attenuator
Attenuation : 30 dB
Capacity : More than 10 W
Audio generator
(AG)
Frequency range : 300–3000 Hz
Output level : 1–500 mV
External speaker
Input impedance : 8
Ω
Capacity : More than 1 W
¤ REQUIRED EQUIPMENTS
5-1 PREPARATION
OPC-478UC
WHITE (MIC)
(MIC line)
(SP line)
BLUE (CLONE)
SHIELD (GND)
(CLONE line)
OPC-922
To the transceiver
RED (AFOUT)
To audio generator/AC millivoltmeter
To SINAD meter/speaker
33 k
Ω
PTT
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