166 Servicing Procedures TM8100/TM8200 Service Manual
© Tait Electronics Limited November 2007
Table 6.2 Final tests of transmitter function
Test Limits
Error in transmit frequency +100Hz to –100Hz
Transmit power (25W radios):
•High
•Medium
•Low
• Very low
23.2W to 29.2W
11.1W to 14.0W
4.6W to 5.8W
0.9W to 1.2W
Current at high power (25W radios):
• A4-band radios
• B1-band radios
• C0-band radios
• D1-band radios
• H5-band radios
• H6-band radios
< 5.5A
< 5.5A
< 5.5A
< 5.5A
< 6.5A
< 6.5A
Transmit power (>25W radios):
•High
— B1-band
— G2-band
— H5-band
— H7-band
— K5-band
•Medium
— B1-band
— G2-band
— H5-band
— H7-band
— K5-band
•Low
— B1-band
— G2-band
— H5-band
— H7-band
— K5-band
• Very low
— B1-band
— G2-band
— H5-band
— H7-band
— K5-band
46.3W to 58.3W
37.1W to 46.7W
37.1W to 46.7W
37.1W to 46.7W
26.7W to 33.7W
23.2W to 29.2W
18.5W to 23.3W
18.5W to 23.3W
18.5W to 23.3W
13.4W to 16.8W
13.9W to 17.5W
13.9W to 17.5W
13.9W to 17.5W
13.9W to 17.5W
4.5W to 5.8W
9.3W to 11.7W
9.3W to 11.7W
9.3W to 11.7W
9.3W to 11.7W
1.8W to 2.2W
Current at high power (>25W radios):
• B1-band radios
• G2-band radios
• H5-band radios
• H7-band radios
• K5-band radios
< 10.5A
< 8.5A
< 8.5A
< 8.5A
< 10A
Peak deviation (sweep tone of 300Hz to 3kHz):
• Narrow-band
• Medium-band
• Wide-band
<
2.5kHz
<
4.0kHz
< 5.0kHz
Distortion:
• 1kHz at 1.5kHz deviation (narrow-band)
• 1kHz at 3.0kHz deviation (wide-band)
< 3%
< 3%
CTCSS deviation:
• Narrow-band
• Medium-band
• Wide-band
250 to 350Hz
500 to 560Hz
580 to 680Hz
25W
25W
>25W
>25W