Transmitter - Motorola GM950E Service Manual

5.2

Transmitter

Channel Spacing
Output Power
Modulation Limiting
FM hum & noise (CCITT)
Conducted/Radiated Emission
Adjacent Channel Power
Audio Response (300 - 3000 Hz)
Audio Distortion
Transmit turn on time
5.3 Receiver
Channel Spacing
Sensitivity @ 12.5 kHz
Sensitivity @ 25 kHz
Intermodulation
Adjacent Channel Selectivity
Spurious Rejection
Audio Distortion @ Rated Audio
Hum and Noise (CCITT)
Audio Response (300 - 3000 Hz)
Co-channel Rejection
Conducted /Radiated Emission
Receive after transmit time
Audio Output Power
Introduction
SPECIFICATION ITEM
SPECIFICATION ITEM
GM950E/GM950i Technical SpeciÞcation
TYPICAL VALUE
12.5 or 20/25 kHz
5-25W
<±2.5kHz (12.5kHz); <±4kHz (20kHz);
<±5kHz (25kHz)
>40dB (12.5kHz); >45dB (25kHz) CCITT
<0.25uW (0.1...1000MHz); <1uW (1...4GHz)
<-60dB (12.5kHz); <-70dB (25kHz)
Flat or pre-emphasised
<5% @ 1kHz, 60% deviation
<25msec
TYPICAL VALUE
12.5 or 20/25 kHz
< 0.35uV (12dB SINAD)
< 0.35uV (12dB SINAD)
>65dB ETS; >70dB with Base Option
>60dB (12.5kHz); >70dB (20/25kHz)
>70dB ETS
<5%
>40dB (12.5kHz); >45dB (20/25kHz) CCITT
Flat or De-Emphasised
<12dB (12.5kHz) , <8dB (20/25kHz) ETS
<2nW (0,1..1000MHz); <20nW (1..4GHz)
<25msec
4W (internal speaker); <13W external
ETS
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