User's Manual

TB7100 Specifications Manual Receiver Specifications 21
© Tait Electronics Limited May 2005
Group Delay / Variation*
Receiver
Talk Through Repeater
*at –70dBm, 60% deviation flat full band response,
applies to balanced and un balanced audio and is at
Tap in T12 and Tap out R2
10 µs peak to peak 300 Hz to 3.4 kHz (WB)
10 µs peak to peak 300 Hz to 2.25 kHz (NB)
50 µs peak to peak 300 Hz to 3.4 kHz (WB)
50 µs peak to peak 300 Hz to 2.25 kHz (NB)
Speaker Output
(via User Interface)
Power
Speaker Impedance
Distortion*
Signal to Noise Ratio**
Mute Ratio**
* at –70dBm signal level, de-emphasis selected
** WRT 60% system deviation at 50% rated speaker
output power setting
4 W maximum
16 nominal
3% total harmonic distortion at 1 kHz, 0.35 W, 16
35 dB
> 60 dB
Hum and Noise:
Narrow Bandwidth
Mid Bandwidth
Wide Bandwidth
> 40 dBm
> 41 dBm
> 43 dBm
Receiver Audio Section - General (Continued)
Receiver Audio Section - CTCSS
Tone Detect
Tone Squelch Opening
Response Time
4 dB
SINAD
(typical)
220 ms open and close (typical)