Icom IC F121S, IC F110S, IC F111S service manual FM deviation meter RF power meter

■REQUIRED TEST EQUIPMENT

EQUIPMENT	GRADE AND RANGE		EQUIPMENT	GRADE AND RANGE
DC power supply	Output voltage	: 13.2 V DC	Audio generator	Frequency range	: 300–3000 Hz
	Current capacity	: 15 A or more		Measuring range	: 1–500 mV
	Measuring range	: 1–100 W	Standard signal	Frequency range	: 0.1–600 MHz
RF power meter	Frequency range	: 300–600 MHz		Output level	: 0.1 µV–32 mV
			generator (SSG)
(terminated type)	Impedance	: 50 Ω			(–127 to –17 dBm)
	SWR	: Less than 1.2 : 1
			Oscilloscope	Frequency range	: DC–20 MHz
	Frequency range	: 0.1–600 MHz		Measuring range	: 0.01–20 V
Frequency counter	Frequency accuracy : ±1 ppm or better
			AC millivoltmeter	Measuring range	: 10 mV–10 V
	Sensitivity	: 100 mV or better
				Input impedance	: 4 Ω
FM deviation meter	Frequency range	: DC–600 MHz	External speaker
				Capacity	: 7 W or more
	Measuring range	: 0 to ±10 kHz
			Attenuator	Power attenuation	: 40 or 50 dB
Digtal multimeter	Input impedance	: 50 kΩ/V DC or better
				Capacity	: 100 W or more

•Connections

Standard signal generator

–127 to –17 dBm

(0.1 ∝V to 32 mV)

CAUTION:

DO NOT transmit while the SSG is connected to the antenna connector.

Personal computer

to an RS-232C port

FM deviation meter	RF power meter
(DC measurable)	50 Ω / 1–100 W
Attenuator
40 dB or 50 dB

to the antenna connector

Frequency

counter

DC power supply to DC cable 13.2 V / 15 A

DB9 female plug

to the MIC connector

RS-232C cable
(straight)	*OPC-1122
	(JIG CABLE)

Audio generator

AC millivoltmeter

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