Uniden PC122AM/SSB owner manual Servicing Your CB

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If you determine that service is necessary, contact your local dealer or pack the unit in its original carton. Send it along with a brief, concise description of the problem, your name, address, phone number, and a copy of the original purchase receipt to the address listed in the warranty.

SERVICING YOUR CB

Technical information, diagrams and charts will be provided upon request. It is the user's responsibility to see that this radio is operating at all times in accordance with

. the D.O.C. Citizens Radio Service regulations. We highly recommend that you consult

a qualified radiotelephone technician for service and alignment of this radio. When

ordering parts, it is important to specify the correct model number and serial number of this radio.

Please refer to the WARNING information on the first page of this manual.

SPECIFICA TIONS

GENERAL

Channels		:	40 AM, 40 use, 40 LSB
Frequency	Range	: 26.965 to 27.405 MHz
Frequency Control : Phase Lock Loop (PLU
			synthesizer
Frequency	Tolerance:		0.005%
Operating	Temp.	: -30°C to +50oc
Microphone		: Plug in type; dynamic
Input Voltage:			13.8	VDC	nom.	(+ or -
Current Drain			ground)
		: TX: AM full mod., 2.2 A,
			SSB 12 watts PEP out-
			put, 2 A
			RX: AM & SSBwith max
Size			audio output 0.6 A
		: 6"W x 7%"D x 2"H
Weight		:	2 lb. 10 oz.
Antenna Connector: UHF, SO-239
Semiconductors:			41	transistors, 7		IC, 49
LED Meter			diodes
		: Indicates			relative	power

Unwanted Sideband:

Freq. Response:

Output Impedance:

SSBFilter

RECEIVER

Sensitivity

Selectivity

Cross Modulation

Image Rejection

I.F. Frequency

Better than - 5OdB

300 - 3000 Hz

50 ohms, unbalanced

:10.695 MHz, 8 pole monolithic type 6dB @ 4.2KHz, 6OdB@7.0KHz

:SSB: Better than .25/JV for 1OdB; (S + N)/N @ greater than 1/2 watt of audio output, AM; Bet- ter than .5 /JV for 10 dB; (S + N)/N @ greater than 1/2 watt of audio output

:SSB and AM; 6dB @ 4.2

KHz,6OdB@ 7.0KHz

:More than SOdB

:Morethan 75dB

:AM and SSB; 10.695

MHz

output and receive signal

strength

TRANSMITTER

Automatic Gain : (AGC): less than 1OdB

Control	change	in audio output
	for inputs from 10 to
	500,000	microvolts

Power Output

Modulation

Intermodulation Distortion

SSB Carrier Suppression

:AM 4 watts, SSB 12 watts P.E.P.

:ClassB amplitude modulation

:SSB:3rd and 5th order, better than - 25dB, 7th and 9th order better than

-35dB

:Better than - 55dB

Squelch		: Adjustable; threshold less
		than .5 /JV
Clarifier		: t1.5KHz
Audio Output Power: 3 watts into 8 ohms
Freq. Response:		350 to 2500 Hz	3 watts
Distortion		: Less than 10% at
		output
Internal	Speaker	: 16 ohms, round
External	Speaker	: (not supplied) 8 ohms
PA System		: 3 watts in external	8 ohm

speaker

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