Servicing your cb, Specifications – Uniden PC122AM/SSB User Manual
Page 7
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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.
SPECIFICATIONS
GENERAL
Channels
:
Frequency Rarrge :
Frequency Control :
Frequency Toleronce
Opereting Temp.
Microphone
Input Voltage
Current Droin
Size
Weight
Antenne Connector
Semiconductors
LED Meter
TRANSMITTER
Power Output
Modulation
Intermodulation
Distortion
Unwanted Sideband : Better than - 50dB
40 AM, 40 USB. 40 LSB
26.965 to 27.405 MHz
Phase Lock Loop (PLL)
synthesizer
0.005%
-30°C to +50=’C
Plug in type; dynamic
13.8 VDC nom. (+ or -
ground)
TX:AM full mod,, 2.2 A,
SSB 12 watts PEP out
put, 2 A
RX: AM & SSB with max
audio output 0.6 A
6"W X 7%"D X 2"H
2 tb, 10 oz,
UHF,SO-239
41 transistors, 7 1C, 49
diodes
Indicates relative power
output and receive signal
strength
Freq. Response
Output Impedance
SSB Fitter
RECEIVER
Sensitivity
Selectivity
Cross Modulation
Image Rejection
l,F. Frequency
Automatic Gain
Control
AM
4
watts,
SSB
12
Squelch
watts P.E.P.
Class B amplitude
modulation
SSB Carrier
Su pp ress ion
SSB;3rd and 5th order,
better than - 25dB, 7th
and 9th order better than
- 35dB
Better than - 55dB
Clarifier
:
Audio Output Power
Freq. Response
:
Distortion
:
Internal Speaker
External Speaker
PA System
: 300 - 3000 Hz
; 50 ohms, unbalanced
: 10.695 MHz, 8 pole
monolithic type 6dB
4.2KHz,[email protected]
SSB: Better than .25 pV
for lOdB; (S -r N)/N @
greater than 1/2 watt of
audio output, AM; Bet
ter than .5 pV for 10 dB;
(S + N)/N @ greater than
1/2 watt of audio output
SSB and AM; 6dB @ 4.2
KHz,
More then 50d6
Mora than 75dB
AM
and
SSB;
10.695
MHz
(AGC): less than TOdB
change in audio output
for inputs from 10 to
500,000 microvolts
Adjustable; threshold less
than ,5 pV
±1.5KHz
3 watts into 3 ohms
350 to 2500 Hz
Less than 10% at 3 watts
output
16 ohms, round
tnot supplied) 8 ohms
3 watts in external 8 ohm
speaker
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6
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