More about Circuit (708)

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...

1-10-1993 | 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...

1-07-1993 | The audio signal is applied to the indicator circuit via a 1:1-1:4 microphone transformer. Its level determines which of the two lamps. L,...

1-07-1993 | The power off circuit ensures that the load is automatically removed from a battery. Itis particularly useful in cars, so that if the dri...

1-07-1993 | Although frowned upon by many as addictive and devoid of educational value, computer games can be great fun to play. This little circuit...

1-07-1993 | The circuit consists essentially of two distinct parts. A rectangular-wave oscillator, based on lC1, generates two signals which may be ph...