TP9100 Service Manual Servicing Procedures 137
© Tait Electronics Limited May 2005
Table 6.2 Final tests of transmitter function (analog mode)
Test Limits Limits
Error in transmit frequency +100 Hz to –100 Hz
Transm it p ow er:
• High
• Medium
• Low
• Very low
B1 band:
5.1W to 5.2W
3.0W to 3.1W
2.0W to 2.1W
1.0W to 1.2W
H5/H6 bands:
4.1W to 4.2W
2.5W to 2.6W
2.0W to 2.1W
1.0W to 1.2W
Current at high power:
• B1-band radios
• H5-band radios
• H6-band radios
< 1.9A
< 1.9A
< 1.9A
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 (analog mode)
Tes t Li mi ts
Receive sensitivity <
118dBm for 12dB SINAD
Mute opening:
• Country
• City
• Hard
>6dB and <10dB SINAD
>10dB and <14dB SINAD
>18dB and <22dB SINAD
Audio power (maximum volume at –47dBm):
• at
RX AUDIO/SINAD connector on test unit
• at pins 9 (
SPKR–) and 11 (SPKR+) of accessory connector
>2.8mV
rms
>2.8V
rms
Distortion (at –47dBm, 60% rated system deviation at 1 kHz,
with volume set to give 3W into 16Ω load) <3.00%
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