- SPECIFICATIONS
- PC 78 LTW
- General
- Channels:
40
- CB
Frequency Range: 26.965
to 27.405 MHz
- Weather
Frequency Range: 162.400MHz
(WX CH1)
- 162.425MHz
(WX CH2)
- 162.450MHz
(WX CH3)
- 162.475MHz
(WX CH4)
- 162.500MHz
(WX CH5)
- 162.525MHz
(WX CH6)
- 162.550MHz
(WX CH7)
- Frequency
Control: Phase
Locked Loop (PLL) synthesizer
- Frequency
Tolerance: ±0.002%
- Operating
Temperature: -30°C
to +60°C
- -10°C
to +60°C (DSC on)
- Microphone:
Plug-in
type; 600 ohms dynamic
- Input
Voltage: 13.8
VDC nominal (positive or negative ground)
- Current
Drain: TX:
AM full modulation, 2.2 A (max.)
- RX:
Squelched, 0.25 A; with maximum audio output,
- 1.2A
(nominal)
- Size:
7-9/32”
W x 8-57/64” D x 2-13/64” H
- Weight:
4
lbs. 3 oz. with microphone
- Antenna
Connector: UHF,
SQ-239
- Meter:
Illuminated;
indicates relative power output and received
- signal
strength SWR.
- Transmitter
- Power
Output: 4
watts
- Modulation:
High-
and low-level, Class B amplitude modulation
- Frequency
Response: 300
to 3000 Hz
- Output
Impedance: 50
ohm, unbalanced
- Receiver
- Sensitivity:
Less
than 1 µV for 10 dB, (S+N)/N
- Selectivity:
6
dB @ 7 kHz, 60 dB; @10 kHz
- Image
Rejection: 80
dB typical
- Adjacent-Ch.
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 µV
- RF
Gain Control: Adjustable
for optimum signal reception
- Delta
Tune Range: ±1.5
kHz, continuously adjustable
- Noise
Blanker: RF
type
- Squelch:
Adjustable;
threshold less than 1 µV
- Audio
Output Power: 4
watts
- Frequency
Response: 300
to 3000 Hz
- Distortion:
Less
than 7% at 3 watts, 1000 Hz
- Internal
Speaker: 16
ohms, round
- External
Speaker: 8
ohms, disables internal speaker when connected
- (not
supplied)
- PA
System
- Power
Output: 4
watts into external speaker
- External
Speaker for PA
- speaker:
8
ohms when CB/PA switch is in PA. The PA
- (not
supplied) also monitors the receiver; separate
jack provided.
- Specifications
shown are typical and subject to change without
notification.
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