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ad9833 based function generator
4.0
Note: power on the +12V rail is about 90mA rising to 110mA with the outputs loaded and the freq. at 20Mhz.
Power
on the -12V rail is about 15mA rising to 23.7mA at 11MHz(peak load
frequency) with the AD811 output loaded with a short or capacitor. With
such low power requirements lends itself to a low power inductor based
inverter using the TPS6735 plus the following:
C1 44uF, C2 10uF, C3 1uF, C4 ~44uF, C5 22uF, D1 1N5817 (schottky 1A 20V), L1 10uH, L2 22uH
The
whole board will be about 17mm x 43mm and plug into the two 100uF
capacitors pads on the DDS 20 board, one capacitor is transfered to the
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