2.47
2.48 Hawaiian guitar ........................................................................................135
2.49
2.50
Trill generator .......................................................................................... 138
2.51
2.52
Flickering light ......................................................................................... 140
2.53
2.54
2.55
2.56
2.57
2.58
Solar charger ........................................................................................... 150
2.59
Electronic drum. ...................................................................................... 152
2.60
Switch-on delay ........................................................................................153
2.61
2.62
NOR gate ................................................................................................. 158
2.63
NAND gate ............................................................................................... 160
2.64
Mixing console ........................................................................................ 163
2.65
Electrometer ............................................................................................ 165
2.66
Simple AM-Radio ......................................................................................167
2.67
Water alarm ............................................................................................ 168
2.68
Telephone monitor .................................................................................. 170
2.69
Signal tracker ............................................................................................ 171
2.70
2.71
RS232C monitor ........................................................................................174
2.72
2.73
2.74
LF phase shifter ........................................................................................179
2.75
Headphone amplifier ............................................................................... 182
2.76
2.77
2.78
Lie detector .............................................................................................. 191
2.79
Buffer amplifier ........................................................................................ 195
2.80 HF generator .............................................................................................197
9