Uniden PC78LTX Owners Manual - Page 14

Transmitter, Receiver

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Current Drain: Size (W x D x H): Weight: Antenna Connector: TRANSMITTER Power Output: Modulation: Frequency Tolerance Frequency Response: Spurious Rejection Output Impedance: RECEIVER Sensitivity at 10 dB (S+N)/N: Selectivity: Image Rejection: Adjacent-CH Rejection: IF Frequencies: Double Conversion: Automatic Gain Control: RF Gain Control: Noise Blanker: Squelch: Audio Output Power: Frequency Response: Distortion: Internal Speaker: External Speaker (not supplied): Antenna Impedence Squelch Tight Signal Meter S-9: TX: AM Full Modulation: 2.2A (max) RX: Squelched, 0.4 A; with maximum audio output, 1.2A (nominal) 7-9/32 in. x 7-51/64 in. x 2-13/64 in. (without knobs and jacks) 3 lb with microphone UHF, SO-239 4 watts High- and Low-Level, Class B amplitude modulation ± 0.002% 300 - 3000 Hz -70dB 50 ohm, unbalanced

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14
Current Drain:
TX:
AM Full Modulation: 2.2A (max)
RX:
Squelched, 0.4 A; with maximum audio
output, 1.2A (nominal)
Size (W x D x H):
7-9/32 in. x 7-51/64 in. x 2-13/64 in.
(without knobs and jacks)
Weight:
3 lb with microphone
Antenna Connector:
UHF, SO-239
TRANSMITTER
Power Output:
4 watts
Modulation:
High- and Low-Level, Class B amplitude
modulation
Frequency Tolerance
±
0.002%
Frequency Response:
300 - 3000 Hz
Spurious Rejection
-70dB
Output Impedance:
50 ohm, unbalanced
RECEIVER
Sensitivity at 10 dB (S+N)/N:
<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:
Less than 10 dB change in audio output for
inputs from 10 to 50,000 µV.
RF Gain Control:
Adjustable for optimum signal reception
Noise Blanker:
RF type
Squelch:
Adjustable; threshold <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 oms, round
External Speaker (not supplied):
8 ohms; disables internal speaker when
connected
Antenna Impedence
50 ohms
Squelch Tight
1000 µV
Signal Meter S-9:
100 µV