Circuit diagrams and schematics - Electronic projects

Generally in work learning of transistor. We can divide work period of transistor be 3 the period. For example period cut off be transistor stop work at this period have no bass current (lb) and collector current (lc) the period is full be intermittently at current flow through with full speed ahead until reach the [...]

This circuit is the circuit amplifies very small-sized use 4 transistors and use the low power supply about 4.5V only. Then build easy. It is convenient for use in many the work such as , intercom, microphone, telephone pick-up coil, and general audio monitor etc. This circuit has power booster about 250. But inappropriate with [...]

If friend want Bipolar Transistor power Amplifier Circuit. , In model HIFI OCL 100W RMS. I sizes think this circuit may is the one choice interesting , use Transistor the important be BD317 and BD318 unless have transistor number BD139,BD140,BC556 then seek buy easy , when see power supply use voltage source 35V just then [...]