902 Index
Persistence of Vision , 809–810
Phase alternation line (PAL)
system , 816–823
and NTSC , 839–840
Phase angle , 23
Phase inverter , 356
Phase-locked loop (PLL)
oscillator , 882–883
Phase locking , 11
Phase-sensitive detector (PSD) ,
883
Phase shift , 23
Phase splitters , 355–358 , 359
Phantom power , 669–670
Philips , 505 , 512 , 518 , 519 , 635
CDR , 770 , 617–620
Phono connector , 168
Phons , 14 , 70–71 , 72
Picofarad , 123
Piezoelectric loudspeaker , 709 ,
712
Piezoelectric microphones , 646
Pinna , 7
Place theory , 10
Plastic diaphragms , 691
Playback systems, in studios ,
76–77
Plug-and-play feature, of PCI bus ,
603
Plug-ins , 599–600
PMA (program memory area) ,
616
Polar CRT displays , 768–769
Pole , 131
Porous absorbers , 862
Potentiometer , 118 , 120 , 220–221
Power amplifi er classes , 317
Blomley principle , 324
Class-A , 317–318
Class-AB , 318
Class-B , 318
variations on , 323
Class-C , 318–319
Class-D , 319
Class-E , 319
Class-F , 319
Class-G , 319–321
Class-H , 321–322
Class-S , 322–323
current-drive amplifi ers ,
323–324
error-correcting amplifi ers , 323
geometric mean Class-AB ,
324–325
nested differentiating feedback
loops , 325
nonswitching amplifi ers , 323
Power amplifi ers:
NFB in , 330
PCB layout details , 386–389
wiring for , 404
Power BJTs vs. power MOSFETs ,
303–305
Power level , 39
Power rating, of resistor , 122
Power ratio , 29
Power sensitivity , 641–642
Power supply design , 139
battery supplies , 159
contemporary commercial
practice , 157–159
direct current supply line ripple
rejection , 147–148
half-wave, and full-wave
rectifi cation , 141 , 142 , 147
high power systems , 139–143 ,
146–147
music power , 144
overcurrent protection ,
152–153
series regulator layouts ,
150–152
signal type, infl uence of ,
144–146
solid-state rectifi ers , 140 ,
143–144
switch-mode power supplies ,
159voltage regulator ICs , 153–157
voltage regulator systems ,
148–150
Power supply PCB Layout ,
385–386
Power supply unit (PSU):
s/c-protected PSU , 156
series-stabilized , 152
stabilized , 155
PowerMacs , 594
PowerPCs , 594
Preamplifi er stages , 186 , 188
Preamplifi ers and input signals ,
167
audibility, of distortion:
harmonic and
intermodulation distortion ,
212–214
mains-borne interference ,
217–218
spurious signals , 216–217
transient defects , 214–216
circuit arrangements:
monolithic super-matched
input devices , 178–179
paralleled input transistors,
systems using , 176–178
quad ultralow noise input ,
182–183
small power transistors, as
input devices , 179–181
step-up transformer , 176
very low noise IC op-amps ,
182
constant-current sources and
current mirrors , 202
IC solutions , 206–209
controls , 219
channel balance controls ,
234 , 235
channel separation controls ,
234–236 , 237
fi lters , 236–239
gain controls , 219–222