| Author |
Message |
    
307
| | Posted on Tuesday, November 27, 2001 - 8:01 pm: | 
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PLL and Synthesizer Alignment Procedure
1)Attach frequency Counter to TP3 (R-74) as in Picture #1.
Picture #1
2)Mode to AM ,Channel 19: Clarify 12:00 position: Adjust L19 for 16.4900 MHz. (Pictures #2 and #3)
Picture #2
Picture #3
3)Mode to USB: Clarify 12:00 position: Adjust L20 for 16.4925 MHz.(Pictures #4 and #5)
Picture #4
Picture #5
4)Mode to LSB: Clarify 12:00 position: Adjust L21 for 16.4875 MHz.(Pictures #6 and #7)
Picture #6
Picture #7
5)Mode to USB: Connect Freq. Counter to Tp-6 (bare top lead of R102). Adjust L27 for 10.6925 MHz.(Picture #8 , #9 and #10)
Picture #8
Picture #9
Picture #10
6)Mode to LSB: Adjust L28 for 10.6975 MHz.(Picture #11 and #12)
Picture #11
Picture #12
7)AM: TX mode: Adjust L26 for 27.1850 MHz. (Picture #13 and #14)
Picture #13
Picture #14
This completes the PLL and Synthesizer alignments , continue with next topic.
(Transmitter Alignment)
Questions? Contact tech307@copperelectronics.com |
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