needed is a simple polarity inverter, such as the circuit shown in Fig. 1-5. Almost any npn transistor can be used in this application. The requirements are very loose, and it is more than likely that any npn transistor you happen to have handy anbsp;...
Title | : | 49 Easy Electronic Projects for the 556 Dual Timer |
Author | : | Delton T. Horn |
Publisher | : | Tab Books - 1991 |
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