Dual TV and radio signal generator

Published:2011/7/6 5:00:00 Author:Lucas | Keyword: Dual , TV , radio , signal generator | From:SeekIC

The signal generator circuit shown in the chart is simple and easy to make. This signal generator can be used as launching grid television image test signal and medium wave band radio test signals. Component selection: RC components, transistor . The specific data is shown as the chart. The power source uses a NO.5 battery, Sl is 2 × 2 small DPDT switch, and S2, S3 are the ordinary small switches . L3 is made by Φ1.5mm silver-plated copper wire winded with 4 turns, and in the the tap of the first turn, the hollow coil diameter is 1 cm.



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