5 - 1
5-1 PREPARATION
When adjusting the contents on page 5-9, a JIG CABLE (see illustration as below) is required.
Some adjustments must be performed on the “ADJUSTMENT MODE”. Entering the “ADJUSTMENT MODE”, refer to the next
page in detail.
■ REQUIRED TEST EQUIPMENT
SECTION 5 ADJUSTMENT PROCEDURES
EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
FM deviation meter
Digital multimeter
GRADE AND RANGE
Output voltage : 13.8 V DC
Current capacity : 25 A or more
Measuring range : 1–200 W
Frequency range : 0.5–50 MHz
Impedance : 50 Ω
SWR : Less than 1.2 : 1
Frequency range : 0.1–50 MHz
Frequency accuracy : ±1 ppm or better
Sensitivity : 100 mV or better
Frequency range : DC–50 MHz
Measuring range : 0 to ±5 kHz
Input impedance : 10 MΩ/V DC or better
EQUIPMENT
Audio generator
Attenuator
Standard signal
generator (SSG)
DC voltmeter
Oscilloscope
AC millivoltmeter
GRADE AND RANGE
Frequency range : 300–3000 Hz
Output level : 1–500 mV
Power attenuation : 50 or 60 dB
Capacity : 150 W or more
Frequency range : 0.5–30 MHz
Output level : 0.1 µV–32 mV
(–127 to –17 dBm)
Input impedance : 50 kΩ/V DC or better
Frequency range : DC–20 MHz
Measuring range : 0.01–20 V
Measuring range : 10 mV–10 V
