More about circuit (744)

1-12-1993 | Many of the less expensive shortwave receivers have no squelch circuit and continue to emanate noise when no usable signal is coming in....

1-12-1993 | Modern integrated voltage regulators are protected against short circuits. but do not give an indication when a short circuit occurs. In...

1-12-1993 | The transmitters is a crystal-controlled, battery-powered, one-chip narrow-band FM (NB FM) model for operation in the 27-MHz band, primar...

1-12-1993 | The circuit in the diagram enables the speed of an electric PCB drill to be controlled with only one preset. As an aside, the rotary dire...

1-12-1993 | The tester generates two different signals for checking a digital storage oscilloscope. The first is a stepped voltage on to which glitche...

1-12-1993 | Resonant 'tank' circuits consist of combinations of inductance (L) and capacitance (C) elements configured in such a manner that a single f...

1-10-1993 | There is little to say about the true r.m.s. converter. The circuit diagram shows a standard application of the AD736JN, connected to a n...

1-10-1993 | The mixer is of modular design so that the constructor can decide how many inputs should be provided.

1-09-1993 | An inexpensive tuner module obtained in the electronics surplus trade allows anyone who has successfully built the VHF/UHF receiver (descr...

1-09-1993 | Sensors are used to measure physical parameters by producing an output current or voltage signal that represents that parameter. For exam...