| The transmitter is intended primarilyy for use with the receiver in the preceding article. lt works from two small 1.5 V dry batteries or...
| The transmitter is intended primarilyy for use with the receiver in the preceding article. lt works from two small 1.5 V dry batteries or...
| The circuit consists of three parts: a 1. steep-skirted speech filter, an irrtegrated amplifier, and apower supply. The arnplifier can pr...
| . VHF/UHF TELEVISION TUNER 3:;oo Cj (PART 1) Together with a suitable colour monitor, the television tuner 33 V. The urut gives full coverag...
| Often only a single power supply is available for an opamp circuit. Since such circuits normally require a double supply, this means that...
| To make sure that a lead-acid battery (whether standard or sealed) is always fully charged, a constant voltage should be applied to it. C...
| A good video film should go together with good sound. It is the sound, however, that gives film makers problems. The microphone in many ca...
| This notice is atmed at those of you who, occasionally or frequently, produce their own printed circuit boards from the artwork printed i...
| An increasing number of infra-red remote control circuits in video recorders and TV sets have an integrated infra-red receiver/demodula...
| Software to control the GAL programmer is now also available for the Amiga series of computers. The Amiga software consists of two progra...
| In equipment design it is often necessary, for accurate voltage-Ievel comparisons, to generate a temperature-insensitive voltage level U(...