Tait TP9100 - Page 28

28 Description TP9100 Service Manual
© Tait Electronics Limited May 2005
2.3.1 Antenna SMA Connector
The antenna SMA connector is the RF interface to the antenna.
The antenna SMA connector is a standard SMA connector with an
impedance of 50Ω.
Important The maximum RF input level is +27dBm. Higher levels
may damage the radio.
2.3.2 Battery Pins
The battery pins are the interface to the removable battery.
2.3.3 Speaker Pins
Important The speaker load configuration is balanced; the speaker
output lines must not be connected to ground. Connecting
a speaker output line to ground will cause audio power
amplifier shutdown.
Table 2.1 Antenna SMA connector – pins and signals
Pinout Pin Signal Name Signal Type
1 RF RF analog
2 GND RF ground
B
C
top view of radio
Table 2.2 Battery pins and signals
Pinout Pin Signal Name Signal Type
1 BATT DATA Digital
2 +7V5 BATT +7.5V battery supply
3 GND Battery ground
B
rear view of radio
C D
f
Table 2.3 Speaker pins and signals
Pinout Pin Signal Name Signal Type
1 SPKR+ Analog audio
2 SPKR– Analog audio
B
view on main board
C