Elektor Team (9510)

1-12-1991 | A type TL081 opamp and same passive components are sufficient to construct a small amplifier whose amplification can be varied between +...

1-12-1991 | Since there are still tape recorders about that have no mechanical tape counter, the circuit shown here offers an excellent, electronic a...

1-12-1991 | Maxim's MAX260/261/262 series of ICs contain two double filter sections of which the response can be set for each section individually...

1-12-1991 | Siemens' Type SLB0586A IC enables the simple construction of a dimmer with touch control. Used in conjunction with a Type TIC2060 triac,...

1-12-1991 | This simple to build antenna booster offers a gain of some 20 dB over a frequency range that covers the VHF FM radio band and the whole of...

1-12-1991 | HARRIS's Type HV-240SE IC, connected with a few external components as shown in the diagram, enables the direct derivation of a regulated...

1-11-1991 | It is hard, if not impossible, to think of professional and industrial electronics design without a computer entering at some stage along...

1-10-1991 | Just when consumers were getting reconciled with the idea that digital audio tape (DAT) is virtually dead and started to buy more CDs, the...

1-10-1991 | The recently introduced LM2575 and LM2577 switch-mode voltage regulators in the Simple Switcher series from National Semiconductor have a...

1-09-1991 | This little circuit, designed and marketed as a kit by ELV, provides a visual warning when the maximum drive power to a loudspeaker is...