Elektor Team (9510)

1-07-1980 | IC4 78 LO8 I CT T,P Plant a new bulb in your garden! This circuit will lead you up the garden path at night in safety. It enables the path t...

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 | 7-16 elektor july/august 1980 21 hybrid cascode It is general knowledge that cascoding two or more transistors creates a new transistor with...

1-07-1980 | Together with the "ordinary" three pin regulator IC"s a few different types for special use are becoming available. The LM 2930 National was...

1-07-1980 | 23 More and more information is being generated by digital means, because of the good frequency and ampli- tude stability obtained. This par...

1-07-1980 | 2L A disadvantage of a number of popular FSK (Frequency Shift Keying) modulators is that the changeover between the 1200 and 2400 Hz frequen...

1-07-1980 | 7-18 elektor july/august 1980 25 This circuit is designed to charge 6 V/3.5 Ah batteries similar to those often used in flash equipment. Of...

1-07-1980 | 26 test transmitter for receiver alignment L7 L8 IL9 IL1O IL11 IL12 C8.1. =22n C7 15p 2x BF 494 T1 T2 L6 L5 IL4 IL3 IL2 IL1 1.2m 13. 3m 11Om...

1-07-1980 | 7-22 elektor july/august 1980 The level of water in a water tank can be measured in various ways, some of which can of course be more compli...

1-07-1980 | Like all things, NICAD chargers are subject to human error, that is, the batteries can be placed in the holder in "two ways, correctly and i...