Electronics > Best WORKING circuits for WFC

Frequency generator PLL driven with pulse control (Stans VIC)

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Steve:
From eclipsed78
is here a nice PLL driven circuit.

br
Steve

Steve:
Found this schematic from some years ago.
Not sure if it works, but it looks ok.


Steve

sebosfato:
There is an error in this schematic, in the resonant scanning circuit bipolar switches are needed like indicated in the first schematic and the 15 pin of the decade counter must be connected to the ground . The rest is pretty much the same as mine...

Steve:

--- Quote from: sebosfato on March 06, 2011, 18:25:15 pm ---There is an error in this schematic, in the resonant scanning circuit bipolar switches are needed like indicated in the first schematic and the 15 pin of the decade counter must be connected to the ground . The rest is pretty much the same as mine...

--- End quote ---

They all look the same, hahahahahahaha
Thanks man.

Steve

sebosfato:
I mean the Q8 and Q9 transistors.. hehe  but the first schematic is ok, is the same as mine one, but i tell you that i only found this when i had already solved the pll... so is coincidentally perfectly equal... but I prefer my new one.

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