259
Fig. 3.40:
Circuit
40: High pass
from on 5.5 kHz
Fig. 3.41:
Circuit 40:
Electronic level control
with large control range
Circuit 41: FET transistor T1 functions as T2 emitter resistor. The operating point of T1 defines therefore the
gain of T2. The operating point of T1 and thus the gain of T2 is set by the control voltage.
Summary of Contents for ELECTRONICS EXPERIMENTS BOX
Page 4: ......
Page 265: ...267 Fig 3 56 Cir cuit 56 Audio limiter Fig 3 57 Circuit 57 Amplifier for a storm detector...
Page 269: ...271 Fig 3 64 Circuit 64 Stabilizer for 1 9 V Fig 3 65 Circuit 65 Stabilizer for 2 5 V...
Page 275: ...277 Fig 3 80 Circuit 80 Quiztimer 30 seconds Fig 3 81 Circuit 81 Handy diode tester...
Page 315: ...317 Fig 3 179 Circuit 179 HF generator 150 kHz Fig 3 180 Circuit 180 HF generator 420 kHz...