User's Manual

28 Transmitter Specifications TB7100 Specifications Manual
© Tait Electronics Limited May 2005
Talk Through Repeater Transmit Key Time*
Opening time
Noise mute (SINAD gating
applied)
Closing time
Noise mute (SINAD gating
applied)
*Receive antenna to Transmit antenna
40 ms
31 ms
Microphone PTT Transmit Key Time
Key Up
25 W to 90% full power
Key Down
25 W to 10% full power
20 ms
20 ms
Continuous Repetitive Key Rate 24 Hz maximum
Transmitter RF Section (Continued)
Transmitter Audio Section - Modulation Characteristics
Inputs Available microphone input via user interface
balanced and unbalanced line inputs via system
interface board (see “System Interface” on page 13)
Frequency Response*
*below limiting
flat or pre-emphasised**
**microphone input via control panel, balanced and
unbalanced line inputs via system interface board
Microphone Input
Bandwidth
Impedance
Distortion
*60% modulation at 1kHz
300 Hz to 3 kHz
600
3 %
Microphone PTT
Deactivated state
Activated state
Hookswitch active state
V input < 0.5 V
V input > 2 V
5 t0 22 to ground