HI-FI AF Preamplifier
Notes:
This
circuit has an exceptionally good high
frequency response, as demonstrated by applying an 100kHz squarewave to the
input. I have produced some response graphs using Tina Pro to highlight these
characteristics.
The Preamp's Frequency and Phase Response
Squarewave Response with 100kHz Input Applied
Total Noise at Output Measured with 600R Load
Signal to Noise Ratio at Output
Original by: Graham Maynard
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