More about RF (650)

1-07-1980 | Gate ICI 0O- R2 Gate II KOV EO D1 P1 R3 IC1 ... IC6 = 741 D1 ... D7 = 1N4148 15V O0 O 100k =Ow LED D2 0 R6 Cl 720n R1 P2 1k P3 legato gate i...

1-07-1980 | Connecting peripheral equipment to computers is all very well provided the signal levels are compatible. This is not always the case and oft...

1-05-1980 | 5-24 — elektor may 1980 cassette interface for BASIC microcomputer II interface and software on one Eurocard No cassette interface is incl...

1-02-1980 | 2-12 — elektor february 1980 TV interference suppression Nearly everybody will agree that interference on TV can be extremely annoying. In...

1-05-1979 | The specifications for a serial interface between computer and terminal are given by the so-called RS232C and V 24 standards -among others....

1-07-1978 | This circuit can be used to generate an up-down staircase waveform with a total of 512 steps per cycle. ICl and IC2 are two four-bit up-dow...

1-04-1978 | Low cost, high transmission rate and complete reliability were the design requirements for the cassette interface described in the foll...

1-07-1977 | This amplifier was designed to improve an existing receiver by replacing the original r.f. stage. The circuit utilises a...

1-07-1975 | "any TTL circuits have relatively low noise immunity and consequently suffer from spurious pulses upsetting the logic process. This interfer...

1-06-1975 | Electrical interference generated by cars can be a source of annoyance, not only to the car occupants, but also to users of other electro...