31/01/96
Copyright TEL
1.2.4
Audio Section
Outputs Available
.. line and monitor
Frequency Response
.. flat or de-emphasised (link selectable)
Flat Response:
Bandwidth
.. 67 to 3400Hz
Response
.. 1, -2dB of output level
at 1kHz
De-emphasised Response:
CTCSS Band-
Bandwidth
.. 67 to 260Hz
Response
.. 1, -2dB of output level
at 100Hz
Speech Band-
Bandwidth
.. 300 to 3400Hz
Response
.. 1, -3dB of a 6dB/octave
de-emphasis characteristic (ref. 1kHz)
Line Output:
Power
.. adjustable to >+10dBm
Load Impedance
.. 600 ohms
Distortion -
(@ -70dBm signal level, links set to de-emphasis)
Narrow Band
.. 4%
Wide Band
.. 2%
Monitor Output:
Power
.. 1W
Speaker Impedance
.. 3.5 ohms
Distortion
.. 3%
(@ -70dBm signal level, links set to de-emphasis)
Mute Operation
(Gate)
Systems Available
.. noise mute and carrier mute
Noise Mute:
Operating Range
.. 6-20dB sinad
Hysteresis
.. 1.5 to 6dB
Threshold
.. adjustable to -105dBm
Opening Time
.. 20ms
Closing Time
.. 50ms
Carrier Mute (Optional):
Operating Range
.. -115 to -80dBm
Hysteresis .. 2
to
10dB
Opening Time
.. 5ms
Closing Time
.. 50ms
Summary of Contents for T830 Series
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