Elektor Team (9534)

1-07-1987 | by P Needham this is either Rs, Rs //Rs, or Rd/Rs. A difficulty arises if it is intended to provide an overcur- rent indication for the shut...

1-07-1987 | EE JULY/AUGUST 1987 This code lock provides a high degree of security whilst being a very simple design. At the heart of the circuit is the...

1-07-1987 | from an idea by P Needham At the heart of this simple cir- cuit is the well-known Type KTY10 temperature sensor from Siemens. This silicon s...

1-07-1987 | In addition to the description elsewhere in this magazine of HC and HCT based R-C/L-C RI oscillators for use up to 20 MHz, this design brief...

1-07-1987 | EE JULY/AUGUST 1987 Two inverters, one resistor and one Capacitor are all that is required to make a HC(T)- based oscillator that gives reli...

1-07-1987 | On most FM tuners, the stereo indicator lights upon detection of the 19 kHz pilot tone. How- ever, this need not mean that the programme is...

1-07-1987 | from an idea by J W v Dijk Many monitor chassis currently offered by computer surplus stores have separate inputs for horizontal and vertica...

1-07-1987 | EE JULY/AUGUST 1987 Some computers and communi- cation programs are unable to output serial data composed of 7 data bits and a parity bit. T...

1-07-1987 | Although cable connections between TTL circuits are nor- mally not as critical as those for, say, RF applications, it is still worth while t...

1-07-1987 | EE JULY/AUGUST 1987 After a longish absence from the semiconductor scene, the tunnel diode, also called Esaki diode, after its Japanese inve...