User's Manual

14 System Specifications TB7100 Specifications Manual
© Tait Electronics Limited May 2005
Opto-coupler Input
Control Current
Control Voltage
Control Voltage*
*with active current regulator
> ± 9 mA to 11.8mA
> ± 10 V
< ± 60 V
Opto-coupler Output
Peak Voltage
Resistance (On)
Peak Load Current
± 100 V
35 Ω
± 120 mA
Line Output - Balanced
Output Level Range
Output Impedance
Maximum Output Level
Return Loss >=20dB
Distortion*
De-emphasised
Flat
*at –70dBm signal level
Adjustable via rear panel potentiometer for 60%
system deviation
– 20 dBm to + 3 dBm
600 Ω
+ 8 dBm at 100% system deviation, output level
distortion ≥ 5%
≤ 2 %
≤ 4 % (NB)
≤ 2 % (WB)
Line Output - Unbalanced
Output Impedance
Output Level Range
Adjustable via rear panel potentiometer for 60%
system deviation
220 Ω
220 mV peak to peak to 3 V peak to peak DC blocked
into 10 kΩ
Line Input - Balanced
Input Level Range*
Impedance
Return Loss
*60% modulation at 1kHz
Adjustable via rear panel potentiometer for 60%
system deviation
transformer isolated
– 20 dBm to + 6 dBm (path, Tap R4)
– 16 dBm to – 4 dBm (path, AUX MIC, used for
trunking)
600 Ω balanced
>=20 dB
Line Input - Unbalanced
Input Level Range
Impedance
*60% modulation at 1kHz
Adjustable via rear panel potentiometer for 60%
system deviation
220 m V peak to peak to 3 V peak to peak DC blocked
> 10 kΩ
General (Continued)