This amplifier is so high quality that it would be understatement to speak HIFI amplifier....
This circuit uses LEDs to display the beat frequency of two-tone oscillators. Only one LED is on...
An LM556 dual oscillator/timer, U1, configured as a two-tone oscillator drives U2, a dual4-watt...
This circuit was designed to charge NiCad battery packs in the range of 4.8 to 15.6 V from a...
This page is going to describe the parts, schematic, softw1are, and some tips on using Infrared...
A simple technique for measuring frequencies over quite a wide frequency range and with...
Seems to me it uses at least as much power and at least as many components as a 4 channel...
This design allows to operate two intercom stations leaving the operator free of using his/her...
The circuit is composed of the parts below: (1) infrared emitterThe multi-harmonic oscillator is...
The full circuit diagram for the audio sine-wave generator is shown. Resistors R1 and R2 bias the...
The Command radio is a description of the radio function, rather than a specific model. The...
Power outages after the call prohibit re-closure circuit, can avoid the use of electrical...
As it can be seen from the figure, + DC Solid State Relay (SSR) of the input stage is an...
Digital display clock signal source circuit shown in the figure is taken from a multi-point...
Figure (a) shows the circuit as a voltage follower, it is a special case of the in-phase...