Specifications - Cobra 29 LTD ST Operating Instructions Manual

Specifications

FREQUENCY RANGE
The COBRA 29 LTD ST transceiver represents one of the most advanced AM
two-way radios ever designed for use as a Class D station in the Citizens Radio
Service. This unit features advanced Phase Lock Loop (PLL) circuitry providing
complete coverage of all 40 channels as shown below.
Channel Channel Frequency
in MHz
1 26.965
2 26.975
3 26.985
4 27.005
5 27.015
6 27.025
7 27.035
8 27.055
9 27.065
10 27.075
11 27.085
12 27.105
13 27.115
14 27.125
15 27.135
16 27.155
17 27.165
18 27.175
19 27.185
20 27.205
The COBRA 29 LTD ST has a vastly superior receiver which includes noise blanker
circuitry and an automatic noise limiter. The receiver also features increased
protection against cross modulation and strong adjacent channel signals.
To obtain maximum performance please read carefully the descriptions and
operating instructions in this manual. Fill out below; keep for your records.
Serial No.
Date of Purchase
Dealer Name
Keep this manual for detailed information about your Cobra CB radio.
SAVE YOUR SALES RECEIPT, CARTON AND PACKING FOR POSSIBLE
FUTURE USE.
Channel Channel Frequency
in MHz
21 27.215
22 27.225
23 27.255
24 27.235
25 27.245
26 27.265
27 27.275
28 27.285
29 27.295
30 27.305
31 27.315
32 27.325
33 27.335
34 27.345
35 27.355
36 27.365
37 27.375
38 27.385
39 27.395
40 27.405
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Specifications (cont.)
GENERAL
Channels
Frequency Range
Frequency Control
Frequency Tolerance
Operating Temperature Range
Microphone
Input Voltage
Current Drain
Size
Weight
Antenna Connector
Semiconductors
Meter
TRANSMITTER
Power Output
Modulation
Frequency Response
Output Impedance
RECEIVER
Sensitivity
Selectivity
Image Rejection
Adjacent-Channel Rejection
IF Frequencies
Automatic Gain Control (AGC)
RF Gain Control
Noise Blanker
Squelch
Audio Output Power
Frequency Response
Distortion
Built-in Speaker
External Speaker (Not Supplied)
PA SYSTEM
Power Output
External Speaker for PA
(Not Supplied)
(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)
40
26.965 to 27.405 MHz.
Phase Lock Loop (PLL) synthesizer.
0.005%.
-30¡ C to + 50¡ C.
Plug-in dynamic.
13.8VDC nom.(positive or negative ground).
Transmit: AM full mod., 1.5A (maximum)
Receive: Squelched, 0.3A; full audio output, 1.2A
(nominal).
8 5 / 8 Ó D x 7 9 / 32 Ó W x 2 13 / 64 Ó H .
4 lbs.
UHF, SO-239.
26 transistors, 26 diodes, 4 integrated circuits.
Illuminated; indicates relative power output and
received signal strength.
4 watts.
AM (Amplitude Modulation).
300 to 3000 Hz.
50 ohms, unbalanced.
Less than 1 µV for 10dB (S+N)/N.
6dB @ 7 KHz, 60 dB @ 10 KHz.
80 dB, typical.
60 dB, typical.
Double Conversion: 1st: 10.695 MHz.
2nd: 455 KHz.
Less than 10 dB change in audio output for inputs
from 10 to 50,000 microvolts.
Adjustable for optimum signal reception.
RF type.
Adjustable; threshold less than 1µV.
4 watts.
300 to 3000 Hz.
Less than 7% @ 3 watts @ 1000 Hz.
16 ohms, round.
8 ohms; disables internal speaker when connected.
4 watts into external speaker.
8 ohms, when PA-CB switch is in PA, the PA speaker
also monitors the receiver; separate jack provided.
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