10
2.81 AF switch ................................................................................................. 198
2.82 Voltage regulator ..................................................................................... 199
2.83 LC generator ............................................................................................204
2.84 Simple battery monitor ............................................................................206
2.85 Audio Fade-in and Fade-out .................................................................... 208
2.86 Level meter ..............................................................................................209
2.87 Acoustic continuity tester .......................................................................... 211
2.88 Logic probe ...............................................................................................212
2.89 Active probe ............................................................................................ 214
2.90 IR control ................................................................................................. 218
2.91 Constant voltage source ...........................................................................220
2.92 Class A end-level ......................................................................................222
2.93 IR control ................................................................................................. 223
2.94 Push-Pull amplifier ...................................................................................225
2.95 Switch-off delay .......................................................................................226
2.96 Siren
2.97 Discrete OPAMP .......................................................................................230
2.98 NAND and NOR gates ............................................................................... 232
2.99 Active Zener diode ...................................................................................234
2.100 Detector receiver ..................................................................................... 237
2.101 Simple condenser tester (Tantal, E-caps) ...................................................240
2.102 Generating hydrogen ................................................................................ 241
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...
