| At Elektor we have done several designs of adjustable power supplies based on switching regulators and so we know that doing this properly i...
All items tagged with Switch and Amplifier (14)
| Texas Instruments has introduced three analog-input class-D stereo amplifiers for use in soundbars, after-market automotive solutions, porta...
| Anyone who has ever taken part in a listening test with various loudspeaker systems and amplifiers knows that the differences are often very...
| If analogue signals have to be switched, a bilateral switch such as the 4066 is often utilised. Because this IC can be powered from single-e...
| Specifications for receiver frontends, converters and detectors are generally very demanding. On the one hand they need to have high sensiti...
| One way of designing a programmable amplifier is placing a HEXcoding switch in the feedback loop of an operational amplifier (op amp). A 1...
| To many hi-fi enthusiasts and musicians, the thermionic valve (electron tube), the sound of a valve amplifier cannot be bettered by that...
| This inexpensive VHF preamplifier uses the BF324 1092 style pnp transistor in a grounded-base configuration. The circuit may be used as a...
| The 'Medium power a. f. amplifier uses a relay for the switch-on delay to suppress annoying switching plops. When the amplifier ts switc...
| The two major properties of the design described are simplicity and quality. Simplicity is achieved by omitting such superfluous facilitie...