Cobra Electronics HH 33 User Manual
Page 9
17
16
CB
Channel Freq.
CB
Channel Freq.
Channel
in MHz
Channel
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
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
HH-33 SPECIFICATIONS
GENERAL
CHANNELS
CB - 40 CH
FREQUENCY RANGE
CB - 26.965 TO 27.405 MHZ
FREQUENCY TOLERANCE
0.005 %
FREQUENCY CONTROL
PLL (PHASE LOCK LOOP) SYNTHESIZER
OPERATING TEMPERATURE RANGE
-30° C TO + 65° C
MICROPHONE
ELECTRET, PUSH-TO-TALK
INPUT VOLTAGE
12V VDC, INTERNAL BATTERIES
13.8 VDC, EXTERNAL
ANTENNA CONNECTOR
TYPE BNC
TRANSMITTER
POWER OUTPUT
3.5 W AT 12 VDC - HIGH, 1.0 W IN LOW
4.0 W AT 13.8 VDC - HIGH, 1.0 IN LOW
MODULATION
AM
FREQUENCY RESPONSE
300 - 3000 HZ AT -6 DB
OUTPUT IMPEDANCE
50 OHMS, UNBALANCED
RECEIVER
CB
SENSITIVITY
LESS THAN 1 uV FOR 10 DB S/N
IF FREQUENCY
DUAL CONVERSION
1 ST - 10.690 MHZ, 2ND - 455 KHZ
AUDIO OUTPUT
500 mW MAXIMUM AT 10 % DISTORTION
FREQUENCY RESPONSE
300 - 3000 HZ AT -6 DB
2ND IF IMAGE REJECTION
GREATER THAN 60 DB
ADJACENT CH. REJECTION
50 DB MIN.
AUTOMATIC NOISE LIMITER
BUILT- IN.
FREQUENCY CONTROL
PLL (PHASE LOCK LOOP)
FREQUENCY RANGE
The COBRA HH33 transceiver represents one of the most advanced AM
two-way radios used 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 CB channels as shown below.