275
Fig. 3.73:
Circuit 73 – RC low pass 3 kHz
Fig. 3.74:
Circuit 74 – RC low pass 3.4 kHz
Fig. 3.75:
Circuit 75 – RC high pass 160 Hz
Fig. 3.76:
Circuit 76 – RC high pass from on 1.6 kHz
Fig. 3.77:
Circuit 77 – RC high pass from on 3.4 kHz
Circuit 72 – 77: AC resistance of a capacitor behaves inversely proportional to the frequency. If the frequency
increases, the AC resistance drops. By means of different capacity values, different cut-off frequencies of
high-pass circuits can be realized.
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...
