294
Fig. 3.122:
Cir-
cuit 122: Sensor
toggle switch
with moving-coil
instrument
Fig. 3.123:
Circuit 123: Voltage doubler with moving-coil instrument
Circuit 123 and 124: Each half-wave charges C1 or C2 depending on its sign. With the next charge, the voltage
of C1 plus the rectified half-wave is fed to C2. It is thus charging up to twice (or accordingly, four times) the
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...
