Elektor Team (9534)

1-10-1987 | Oc .„ 19E8 111 HIGH CURRENT SWITCHING REGULATOR IC SIMPLIFIES Containing a complete 2.5A switching regulator on a single chip, a power IC...

1-10-1987 | EE 24 October 1987 current so the diodes must be dimensioned accordingly. All of these problems are eliminated by using the L4960 as a post...

1-10-1987 | EE 28 October 1987 FILTERS: THEORY 8c PRACTICE 3 36 Istop band approximation transition width f~~ approximation Brick wall (ideal) Butterwor...

1-10-1987 | EE October 1987 IEC-CENTRONICS INTERFACE by K Fietta The use of an IEC or IEEE bus for driving a Centronics compatible peripheral device cal...

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...

1-10-1987 | EE 38 October 1987 14-BIT DIGITAL TO ANALOGUE CONVERTER Most D-A converters (DACs) that find applications in home-made peripheral equipment...

1-10-1987 | EE 44 October 1987 RECORDING/PLAYBACK AMPLIFIER This amplifier enables accompanying slide presentations with stereo commentary or music whil...

1-10-1987 | EE 46 October 1987 A low-cost add-on unit that enables single-sideband reception on virtually any AM short-wave receiver. Every experienced...

1-10-1987 | EE October 1987 SWITCH-MODE POWER SUPPLIES Recent advances in power semiconductor technology and inductive components have boosted the use o...

1-10-1987 | EE 54 October 1987 THE POSITIVE IMPEDANCE CONVERTER by A.B. Bradshaw One of the very practical means of simulating inductance in electrical...