All items tagged with phone and Amplifier (41)

1-10-1987 | EE 36 October 1987 LOW-NOISE MICROPHONE PREAMPLIFIER A quality preamplifier that can be configured for low and high impedance, as well as ba...

1-07-1987 | There is little doubt that the headphone amplifier de- scribed here belongs in the so- called high end class of audio equipment, and is, the...

1-07-1987 | Although the use of SMDs (sur- face mount devices) is not yet widespread among electronics hobbyists, and the availability of these parts is...

1-09-1986 | EE September 1986 HEADPHONE AMPLIFIER Anyone with a keen ear for hi-fi sound reproduction should read this article, which details how the Ty...

1-07-1985 | elektor July/august 1985 Microphones, unfortunately, produce onlyasmallsignalandthey,therefore, require a special pre-amplifier to boost the...

1-07-1985 | This 1-watt amplifier lends itself par excellence for use as driver for a low impedance headphone or as output stage in a hi-fi preamplifier...

1-02-1985 | microphone preamplifier elektor february 1985 Microphone extension cables are typical sources of noise. Signal losses caused by such cables...

1-07-1983 | 95 microphone amplifier with preset tone control The active parts of the circuit (ampli- fiers Al and A2) shown in figure 1 are contained in...

1-02-1983 | Prelude: class A headphone amplifier elektorfebruary 1983 Prelude: clans A amplifier One of the easiest ways to achieve privacy from everyon...

1-11-1981 | 11·32 - elektor november 1981 telephone amplifier makes distant callers loud and clear " Keeping in touch" is easier said than done, despit...