4 - 1
4-1 PREPARATION
Some adjustments must be performed on the “ADJUSTMENT MODE”. Refer to the next page in detail.
■ REQUIRED TEST EQUIPMENT
SECTION 4 ADJUSTMENT PROCEDURES
EQUIPMENT
DC power supply
RF power meter
(terminated type)
Frequency counter
FM deviation meter
Digital multimeter
GRADE AND RANGE
Output voltage : 13.6 V DC
Current capacity : 25 A or more
Measuring range : 1–100 W
Frequency range : 100–300 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 : DC–600 MHz
Measuring range : 0 to ±5 kHz
Input impedance : 10 MΩ/V DC or better
EQUIPMENT
Audio generator
Attenuator
Standard signal
generator (SSG)
AC millivoltmeter
Oscilloscope
FM deviation meter
GRADE AND RANGE
Frequency range : 300–3000 Hz
Output level : 1–500 mV
Power attenuation : 40 or 50 dB
Capacity : 100 W or more
Frequency range : 120–600 MHz
Output level : 0.1 µV–32 mV
(–127 to –17 dBm)
Measuring range : 10 mV–10 V
Frequency range : DC–20 MHz
Measuring range : 0.01–20 V
Frequency range : 30–600 MHz
Measuring range : 10 mV–10 V
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