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Power Supplies
These power supplies obtain their power from the a.c. electricity supply of 230 V at 50 Hz... -
Noise
These unwanted signals are called either noise or interference, depending on their origin. The term noise comes... -
The Inverting Op Amp Stage
The Inverting Op Amp Stage The op amp inverting gain stage, also known simply as the inverter.... -
Signals
Signals can be categorized in a number of different ways. For example, one can distinguish between analog... -
The Non-inverting Op Amp Stage
The Non-inverting Op Amp Stage The non-inverting op amp stage, also known as a voltage follower with... -
Ideal Op Amp
An ideal op amp has infinite gain for differential input signals. In practice, real devices will have... -
Hi-fi And Music Amplifiers
Hi-fi And Music Amplifiers We start with one of the most familiar uses of electronics, the amplification... -
Frequency Response
The frequency response of an amplifier is a plot of the way that the voltage gain varies...