Uniden PC122XL manual Servicing Your CB, When ordering, Distortion

Page 7

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

,<" F~' '".

It is ,th,euser'sresponsibility~. to see that,'this., radio is operating at all times in accordance with

theDOTAC Cltfzensaand Radio Seryice regulations. We highly recommend that you consult '

a qualifiedr~ioteleph,one tecl:micianfor service and alignment of this radio.

When ordering,

.,

parts:'itis important to specify theccjIT8ct model number and serial number

of this radio.'

","

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

SPECI FICA TIONS

GENERAL

Channels: 40 AM, 40 usa, 40 LSB

Frequency Range : 26.965 to 27.405 MHz

Frequency Control : Phase Lock Loop (PLU

 

synthesizer

Frequency Tolerance: 0.005%

Operating Temp.

: -10°C to +50oc

Unwanted Sideband: Better than - 5OdB

Freq. Response:

300 - 3000 Hz

 

Output Impedance:

50 ohms, unbalanced

SSB Filter

: 10.695

MHz,

8 pole

 

monolithic

type

6dB @

4.2KHz, 6OdB @ 7.0KHz

Microphone

: Plug in type; dynamic

Input Voltage:

13.8 VDC nom. (+ or -

Current Drain

ground)

mod., 2.2 A,

: TX: AM full

 

SSB 12 watts PEP out-

 

put, 2 A

 

 

RX: AM & SSB with max

 

audio output

0.6 A

Size

: 6"W x 7%"0

x 2"H

Weight

: 2 lb. 10 oz.

 

Antenna Connector:

UHF, SO-239

Semiconductors:

41 transistors, 7 IC, 49

 

diodes

 

LED Meter

: Indicates relative power

 

output and receive signal

 

strength

 

RECEIVER

Sensitivity

Selectivity

Cross Modulation

Image Rejection

I.F. Frequency

Automatic Gain Control

:SSB: Better than .25 }JV for 1OdB; (S + N)/N @ greater than 112 watt of audio output, AM; Bet- ter than.5 jJV for 10dB;

(S + N) IN @ greater than 112 watt of audio output

:SSB and AM; 6dB @ 4.2 KHz, 6OdB @ 7.0KHz

:More than 5OdB

:More than 75dB

:AM and SSB; 10.695 MHz

:(AGC): less than 1OdB change in audio output

TRANSMITTER Power Output

Modulation

: AM maximum of 4W

SSB maxirrum of 12W PEP

: Class B amplitude

Squelch

Clarifier

for inputs from 10 to 500,000 microvolts

; Adjustable; threshold less than .5 }JV

: :t1.5KHz

Intermodulation

Distortion

SSB Carrier Suppression

modulation

 

 

: SSB:3rd

and

5th order,

better

than

 

- 25dB, 7th

and 9th order better than

- 35dB

 

 

 

: Better than

~ 55dB

Audio Output Power: 3 watts into 8 ohms

Freq. Response

: 350 to 2500 Hz

Distortion

: Lessthan 10% at 3 watts

Internal Speaker

output

: 16 ohms, round

External Speaker

: (not supplied) 8 ohms

PA System

: 3 watts in external 8 ohm

 

speaker

.

.---.-

-6-

--M/-

Image 7
Contents C122XL ~~~~~B Radio To m~etyourapplication requirements WelcomeNegative Ground System Connecting the Power CordsPositive Ground System Controls and Functions Gj@ @Operating Procedure to Receive Trouble Shooti NG Operating Procedure to TransmitUnit will not turn on. No power OPERATION,O,FSSBServicing Your CB When orderingDistortion Aaelaide 08 365 UnidenPC122XL CB RadioAustralian 2 Year WarrantyMelbourne 03 335 Perth