This circuit was submitted by Graham Maynard from Newtownabbey, Northern Ireland. It has an exceptionally fast high frequency response,as demonstrated by applying a
100kHz squarewave to the input. All graphs were produced using Tina Pro.
The Preamp's Bode ResponseSquarewave Response with 100kHz Input Signal AppliedTotal Noise at Output Measured with 600R LoadSignal to Noise Ratio at Output