Analogue Filters Tutorial

Its a very easy interface to build an requires only a few £/$ worth of components. A you can see...

Rectified and filtered voltage from the 24 Vac transformer is applied to the LM723 voltage...

This power supply uses an LM317J adjustable regulator and an MJ2955 pass transistor. Ql and U2 as

Here is audiopreamp mic(dinamic). 200-600-ohm output impedance and low noise pre-amplifier for...

The Measured Value and The Setpoint are two inputs to a Control System. The Measured Value is the...

The panel 5W/6v Wp will have a max current of approx 500 to 800mA peaking at 800mA at noon. by...

This handy circuit can be used as a speed controller for a 12V motor rated up to 5A (continuous)...

I built one of these with the RS-232 option many decades ago. It a three channel HF receiver (5,...

The circuit below consists of two twin-T  oscillators set to a point below oscillation. To set...