Two-Transistor, Direct-Coupled Oscillator

This is the two-transistor, direct-coupled oscillator which you have seen in other projects. Do you recognize it?

Remember, a good electronic technician must be able to recognize a circuit with any kind of Schematic arrangement. Can you spot the variations?

This circuit has enough built-in current limiting (the 1K) so that you can experiment with different Capacitor values for "C". The initial hookup is with the 0.01uF in the circuit.

You may want to record your results like a good scientist, so you can repeat the experiment later on. Polarize electrolytic capacitors properly. After studying the other projects which use this basic circuit, try to explain circuit operation to yourself, or better yet, to someone else. Draw arrows of current flow on the diagram as required.