Tait TM9100 Service Manual

150 Servicing Procedures TM9100 Service Manual
© Tait Electronics Limited August 2005
Table 6.2 Final tests of transmitter function
Test Limits
Error in transmit frequency +100 Hz to –100 Hz
Transmit power:
•High
•Medium
•Low
•Very low
23.2 W to 29.2 W
11.1 W to 14.0 W
4.6 W to 5.8 W
0.9 W to 1.2 W
Current at high power:
• B1-band radios
• H5-band radios
• H6-band radios
< 5.5 A
< 6.5 A
< 6.5 A
Peak deviation (sweep tone of 300 Hz to 3 kHz):
• Narrow-band
• Medium-band
• Wide-band
<
2.5 kHz
<
4.0 kHz
<
5.0 kHz
Distortion:
• 1 kHz at 1.5 kHz deviation (narrow-band)
• 1 kHz at 3.0 kHz deviation (wide-band)
< 3%
< 3%
CTCSS (continuous-tone-controlled subaudible signaling) deviation:
• Narrow-band
• Medium-band
• Wide-band
250 to 350 Hz
500 to 560 Hz
580 to 680 Hz
Table 6.3 Final tests of receiver functions
Test Limits
Receive sensitivity <
118 dBm for 12 dB SINAD
Mute opening:
• Country
• City
•Hard
>6 dB and <10 dB SINAD
>8 dB and <14 dB SINAD
>18 dB and <22 dB SINAD
Audio power (maximum volume at –47 dBm):
•At “R
X AUDIO/SINAD” connector on test unit
• At pins 3 (
SPK–) and 4 (SPK+) of power connector on radio
>500 mV
rms
>5.00 V
rms
Distortion (at –47 dBm, 60% rated system deviation at 1kHz,
with volume set to give 3 W into 16 Ω load) <3.00%

Tait TM9100 Specifications

General

Brand	Tait
Model	TM9100
Category	Radio
Language	English