Tait TM8000 Series User Manual

TM8100 Mobile Radio Service Manual Introduction 31
May 2004 © Tait Electronics Limited
Table 1.2 General specification for TM8100 radios — Transmitter and receiver
Parameter Values
Transmitter
Output power:
• Level 1 — very low
• Level 2 — low
• Level 3 — medium
• Level 4 — high
1 W
5 W
10 W
25 W
Modulation limiting:
• Narrow channel spacing
• Medium channel spacing
• Wide channel spacing
< ±2.5 kHz
< ±4 kHz
< ±5 kHz
FM hum and noise:
• Narrow channel spacing
• Medium channel spacing
• Wide channel spacing
> 33 dB
> 41 dB
> 43 dB
Conducted and radiated emissions:
• Up to 1 GHz
• Between 1 and 4 GHz
(for radio operating frequencies below 500 MHz)
• Between 1 and 12.75 GHz
(for radio operating frequencies above 500 MHz)
< −36 dBm
< −30 dBm
< −30 dBm
Audio response 300 Hz to 3 kHz (flat or with pre-emphasis)
Audio distortion < 3% at 1 kHz 60% modulation
Transmit rise time
(From the time the external PTT line is asserted to the time
when the RF output power reaches 90% of its final value)
< 10 ms
Receiver
Sensitivity < −118 dBm for 12 dB SINAD
Intermodulation > 66 dB
Spurious responses > 72 dB
Selectivity:
• Narrow channel spacing
• Medium channel spacing
• Wide channel spacing
> 65 dB
> 70 dB
> 75 dB
Hum and noise:
• Narrow channel spacing
• Medium channel spacing
• Wide channel spacing
> 40 dBm
> 41 dBm
> 43 dBm
Audio response 300 Hz to 3 kHz (flat or with de-emphasis)
Audio distortion < 3%
Receive detect time
(From the time an RF signal is first present at the antenna to
the time when the
BUSY DETECT line changes state)
< 3 ms

Tait TM8000 Series Specifications

General

Brand	Tait
Model	TM8000 Series
Category	Radio
Language	English