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Checking Transistor with the sound

2016-05-06 13:03  
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This circuit uses to check transistor get accurately and fast. By the way will check to tell with sound signal which , pertaining to the expansion ratio of transistor. Then help reduce the expenses in tool expensive buying. The transformer T1 in a picture is model output transformer at use prevent general in the receiver transistor the general. With regard to have consuming trend low make use battery 9V get long moderately ago. The royal utensils is model use 8ohm loudspeakers. And usability have S1 do infront on-off and choose a kind NPN and PNP of transistor for S2 use press when want to check each time. Friends can see the detail adds in the circuit yes.

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