. Electronic apparatus for biological research . Stabilized supply out Unstabilized supply in 0 + Figure Evans and CarrolP^ obtained a stabilized output of—6 V from an unstabilized input of —8 V and an auxiliary supply of —9. The output resistance was less than 0-3 Q and the stabilization ratio better than 1/20,000. Lloyd^^ has described a transistor stabilizer which produces an output of 6 V at up to 2 amps from an input of 7-8 V J:: 10 per cent. This would clearly be of value for supplying the heaters of valves in direct-coupled amplifiers. Five transistors are used. There is a 3 stage
. Electronic apparatus for biological research . Stabilized supply out Unstabilized supply in 0 + Figure Evans and CarrolP^ obtained a stabilized output of—6 V from an unstabilized input of —8 V and an auxiliary supply of —9. The output resistance was less than 0-3 Q and the stabilization ratio better than 1/20,000. Lloyd^^ has described a transistor stabilizer which produces an output of 6 V at up to 2 amps from an input of 7-8 V J:: 10 per cent. This would clearly be of value for supplying the heaters of valves in direct-coupled amplifiers. Five transistors are used. There is a 3 stage error amplifier, in which the transistors are in earthed emitter, whose output feeds the control transistor via a matching transistor in earthed collector. It is claimed that 707
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
