System specifications* - cont – GE LBI-31564A User Manual

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SYSTEM SPECIFICATIONS* - Cont.

DIMENSION, LESS ACCESSORIES (H X W X D)

40-60 Watts

65 mm X 260 mm X 325 mm
(2.5 X 10.2 X 12.7 inches)

110 Watts

65 mm X 290 mm X 325 mm
(2.5 X 11.4 X 12.7 inches)

WEIGHT, LESS ACCESSORIES

40 and 6O Watts

5.9 kg (13.0 pounds)

110 Watts

6.5 kg (14.5 pounds)

* These specifications are intended primarily for use of the serviceman. Refer to the appropriate Specifications Sheet for the
complete specifications.

** Any tone (67-210 Hz)

±

0.5%

TRANSMITTER

CONDUCTED SPURIOUS

- 85 dB

MODULATION

±

5.0 KHz

AUDIO SENSITIVITY

60 to 120 Millivolts

AUDIO FREQUENCY

Within +1 dB to -4.5 dB of a 6

CHARACTERISTICS

dB/octave pre-emphasis from
300 to 3000 Hz per EIA standards.
Post limiter filter per FCC and EIA

DISTORTION

Less than 2% (1000 Hz)
Less than 5% (300 to 3000 Hz)

DEVIATION SYMMETRY

0.5 kHz maximum

MAXIMUM FREQUENCY
SEPARATION
136-153 MHz

17 MHz

150.8-174 MHz

23.2 MHz

MICROPHONE LOAD IMPEDANCE 600 ohms

POWER ADJUST RANGE

2:1 of rated power

RF OUTPUT IMPEDANCE

50 ohms

FM NOISE

- 65 dB

CARRIER ATTACK TIME

25 milliseconds

AUDIO ATTACK TIME

25 milliseconds

CHANNEL GUARD TX TONE

<5%

DISTORTION

RECEIVER

AUDIO OUTPUT

12 Watts with less than

(to 4.0 ohm speaker)

3% distortion

SENSITIVITY

Standard UHS Preamp

12 dB SINAD (EIA) Method

0.35 uV

0.175 uV

20 dB Quieting Method

0.50 uV

0.25 uV

Squelch <6 dB SINAD

0.25 uV

0.125 uV

Channel Guard 8 dB SINAD

ADJACENT CHANNEL SELECTIVITY
EIA Two-Signal Method
( @ 25 kHz channels)

- 85 dB

- 85 dB

( @ 30 kHz channels)

- 95 dB

- 95 dB

SPURIOUS RESPONSE

- 90 dB

- 90 dB

INTERMODULATION @ 25/30 kHz - 85 dB

- 80 dB

MODULATION ACCEPTANCE

±

7.0 kHz

MAXIMUM FREQUENCY
SEPARATION
136 - 153 MHz

17 MHz

150.8 - 174 MHz

23.2 MHz

FREQUENCY RESPONSE

Within +2 and -8 dB of a standard

6 dB per octave de-emphasis curve
from 300 to 3000 Hz (1000 Hz
reference)

RF INPUT IMPEDANCE

50 ohms

HUM/NOISE RATIO
UNSQUELCHED

- 55 dB

SQUELCHED

- 70 dB

RECEIVER RECOVERY TIME

200 milliseconds

RECEIVER ATTACK TIME

150 milliseconds

CHANNEL SPACING

25/30 kHz

CHANNEL GUARD (Optional)
Tone

67 - 210.7 Hz (

±

0.5%) **

Digital

023 - 526 (H) code (Standard Codes)

LBI-31564

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