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#7638 - 04/12/16 06:35 AM
Re: Tristar 797
[Re: Toysoft]
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Japhar Member
Carpal Tunnel
Registered: 10/22/10
Posts: 2640
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The VCO-Block is a part of the active oscillator in TA7310P. This will operate between 16MHz and 19MHz. Output from TA7310P Pin 9 to PLL02A is: Mixer frequency - VCO frequency. Output from TA7310P Pin 6 to Receiver/Transmitter Mixer is: Mixer frequency + VCO frequency. The new "VCO-BLOCK" will operate between 14MHz and 21MHz, and will then cover 10-meter, 11-meter and 12-meter. http://malzev.tripod.com/cb-funk/vco.htmComponents D1 = BB156 (Phillips) L1 = 5uH C1 = 470pF C2 = 470pF C3 = 4,7pF C4 = 12pF Schematic Diagram - PCMA001S - 8.70 MB Argus 5000, Cobra 148GTL-DX (fake), Colt 2400, Falcon 2000, Lafayette 2400FM, Mongoose 2000, Nato 2000, Palomar 2400, 5000, Starfire DX, Superstar 2200, Thunder 2000, Tristar 797, 848 http://www.zen96216.zen.co.uk/cb/img/cybernet-esm/thumbs/Schematic%20Diagram%20-%20PCMA001S.png  Superstar 2200_service_manual_ENG.rar (2 downloads)Tristar_797.rar (2 downloads)
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