| 10-28 — elektor october 1980 video pattern generator P. Needham The original circuit of the video pattern generator (see Summer Circuits i...
More about oscillator (484)
| 23 More and more information is being generated by digital means, because of the good frequency and ampli- tude stability obtained. This par...
| 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...
| 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...
| 7-24 elektor july/august 1980 1 31current saving home trainer 12 R2 100n 11 Many sport-loving Elektor readers welcomed the idea of an exerci...
| The new Toko piezo buzzer shown in the photo can be used for all kinds of simple acoustic alarm circuits. Its greatest advantage is its extr...
| 7-28 elektor july/august 1980 37 1 universal warning alarm 3 ... 15 V 5 ... 20 mA v!rs. 0 61 ip Mc T R511 pH i1 used to pulse a second oscil...
| 39 This device makes a special form of biofeedback possible in a very simple way. It is based on the principle that the more the body is rel...
| 53 1 variable HF oscillator of amplification needs to be empiri- cally established, so that amplifi- cation is at a maximum without affectin...
| 7-40 elektor july/august 1980 54 According to the author, the lin- earity and synchronisation (when several VCOs are used) of this circuit i...