M2000-00
1.7
Copyright TEL 31/10/96
1.2.4 Transmitter Performance
Power Output:
Maximum:
All Except T2000-800 .. 30W
T2000-8000 .. 25W
High (high setting):
All Except T2000-800 .. 25W
T2000-8000 .. 15W
. Low (low setting):
T2000-200, -300, -400 .. 1 to 25W
T2000-100, -500, -600, -700, -900 .. 5 to 25W
T2000-800 .. 5 to 15W
Low Power Version .. 1 to 7W (T2000-500, -600)
Duty Cycle (33%) .. 2 minutes Tx, 4 minutes Rx
Lock Up Time (synthesiser) .. 25ms (from PTT to 90% output power
within 2kHz, not including micro.
delay)
Spurious Emissions .. better than -36dBm
(conducted & radiated to 1GHz)
Spurious Emissions .. better than -30dBm
(conducted & radiated to 1 to 4GHz)
Adjacent Channel Power:
Narrow Band .. better than -65dBc
Medium Band .. -70dBc
Wide Band .. -80dBc
Group Delay .. +200/-50µs (300Hz to 3kHz)
Modulation System:
Type .. direct FM
Deviation Limiting:
Narrow Band .. ±2.5kHz (peak) max.
Medium Band .. ±4kHz (peak) max.
Wide Band .. ±5kHz (peak) max.
Bandwidth:
Narrow Band .. 300Hz to 2.55kHz below limiting or
450Hz to 2.55kHz in limiting
Medium & Wide Band .. 300Hz to 3kHz below limiting or
450Hz to 3kHz in limiting
Responses:
In Limiting .. within +0dB, -4dB of maximum
system deviation
Below Limiting .. within +1, -3dB of 6dB/octave
pre-emphasis
Above 3kHz .. greater than 25dB/octave roll-off
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