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25 NW Specifications
30
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 + 50° C
MICROPHONE . . . . . . . . . . . . . . . . . . . . . PLUG-IN DYNAMIC
INPUT VOLTAGE . . . . . . . . . . . . . . . . . . . 13.8VDC nom. (positive or negative ground)
CURRENT DRAIN TRANSMIT: AM FULL MOD., 1.5A (MAXIMUM)
RECEIVE: SQUELCHED, 0.3A;
FULL AUDIO OUTPUT, 1.2A (NOMINAL)
SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-5/8” D X 6-3/8”W X 2-13/64” H
WEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 LBS.
ANTENNA CONNECTOR . . . . . . . . . . . .UHF; SO-239
METER . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ILLUMINATED; INDICATES RELATIVE
POWER OUTPUT AND RECEIVED
SIGNAL STRENGTH
TRANSMITTER
POWER OUTPUT . . . . . . . . . . . . . . . . . . .4 WATTS
MODULATION . . . . . . . . . . . . . . . . . . . . .AM (AMPLITUDE MODULATION)
FREQUENCY RESPONSE . . . . . . . . . . . .300 TO 3000 HZ
OUTPUT IMPEDANCE . . . . . . . . . . . . . . .50 OHMS, UNBALANCED
RECEIVER
SENSITIVITY . . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 1 µV FOR 10dB (S+N) /N
SELECTIVITY . . . . . . . . . . . . . . . . . . . . . . .6 dB @ 7 KHZ, 60 dB @ 10KHZ
IMAGE REJECTION . . . . . . . . . . . . . . . . . .80 dB, TYPICAL
ADJACENT-CHANNEL REJECTION . . .60 dB, TYPICAL
IF FREQUENCIES . . . . . . . . . . . . . . . . . . .DOUBLE CONVERSION: 1ST:10.695 MHZ
2ND: 455 KHZ
AUTOMATIC GAIN CONTROL (AGC) .LESS THAN 10 dB CHANGE IN AUDIO
OUTPUT FOR INPUTS FROM 10 TO 50,000
MICROVOLTS
RF GAIN RANGE . . . . . . . . . . . . . . . . . . . .40 dB
NOISE BLANKER . . . . . . . . . . . . . . . . . . . .RF TYPE
SQUELCH . . . . . . . . . . . . . . . . . . . . . . . . . .ADJUSTABLE;THRESHOLD LESS THAN 1µV
AUDIO OUTPUT POWER . . . . . . . . . . . .4 WATTS
FREQUENCY RESPONSE . . . . . . . . . . . .300 TO 3000 HZ
DISTORTION . . . . . . . . . . . . . . . . . . . . . . .LESS THAN 7% @3 WATTS @ 1000 HZ
BUILT-IN SPEAKER . . . . . . . . . . . . . . . . . .8 OHMS, 5W
EXTERNAL SPEAKER (NOT SUPPLIED) .8 OHMS; DISABLES INTERNAL SPEAKER
WHEN CONNECTED
PA SYSTEM
POWER OUTPUT . . . . . . . . . . . . . . . . . . .4 WATTS INTO EXTERNAL SPEAKER
EXTERNAL SPEAKER FOR PA . . . . . . . .8 OHMS, 4 W. MIN.
(NOT SUPPLIED) . . . . . . . . . . . . . . . . . . .THE PA SPEAKER ALSO MONITORS THE
RECEIVER; SEPARATE JACK PROVIDED
(SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE)
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