19 Fig 1.29 change "10mA" to "1mA" Luca Di Taranto 20150416

24 last line change "50 mA" to "5 mA" (and change "1 ms" to "10 ms" in caption of Fig. 1.39) Ivan Baldin 20150411

26 last line put 1/C in front of integral, thus: V(t)=(1/C)∫I in (t)dt Kevin Kutz 20160501

27 Fig. 1.47 10% error at about 20% of V in Carlo del Noce 20200426

29 first line change "2.54" to "0.394" Richard Speir 20150417

32 Table 1.1 V F =800mV for 1N4007 Jacques 20150412

37 Fig 1.78 the diodes should point in opposite directions John Larkin 20150330

40 left column, line 11 the "2π" is outside the square root: f=1/2π√LC Alessandro Ruggiero 20150726

43 Fig 1.93 caption change "lowpass" to "highpass" Kevin Hughes 20150414

43 left column, lines 1 and 15 change "√2" to "1/√2" Johanns Ackermann 20150524

45 right column, line -15 change "reactance of" to "impedance of" J. Casey Marnocha 20150731

47 Fig 1.95 prefix √2 to the amplitude (so V 0 is the rms amplitude for calculations) Adam Poertner 20170530

48 right column, last eq'n change numerator "R 1 " to "R 2 " Richard Holmes 20150504

50 Fig 1.104 change "-20dB/octave" to "-20dB/decade" Enrico Donà 20150407

68 right column, line -8 change "and frequency." to "and phase." Peter Long 20150413

72 top right column change I E to I C Joe Santos 20150411

78 Exercise 2.2 change "0.63" to "0.76" and "63µs" to "76µs" Vincent Fusco 20150421

78 Fig 2.12 bottom waveform is "collector Q 1 , Q 3 " Paul Sedlacek 20150423

90 left column, line 7 missing Δ in denominator: ΔI out /ΔV in Sebastian Uria 20150604

99 Fig 2.53C R 3 should be 6.8k Anders Gregersen 20150823

100 Fig 2.57B move lower current sink to emitter of input transistor Anders Jellinggaard 20150414

103 right column, line 13 common-mode gain is 0.55 Rod Bhar 20150922

104 Fig 2.65 change "2.5k" to "25k" Vincent Fusco 20150426

108 right column, line 22-23 change "50%" to "20%" (2 places) Rod Bhar 20171006

157 right column, line 11 missing R s in denominator Stuart Field 20191210

168 left column, line 4 change I D to I C (twice in text, once in Fig 3.53 axis label) Lorenzo Donati 20150611

183 Fig 3.84 base divider current is 50uA; and to match gains in ckt A, use resistor string 10.0k, 3.48k, 1.00k, and 499 in ckt B Alan Morris & Graham Keeth 20150823, 20171206

186 Fig 3.91 omit bubbles on gate input Vicente Badía 20150530

194 Fig 3.97 interchange FETs, wired as complementary switches (as in Fig 3.90) Eldar Khayrullin 20170813

196 right column, line 6 change "D iss " to "C iss " Lorenzo Donati 20150615

204 left column, last sentence replace with "This circuit can switch either polarity -- when ON, the series MOSFETs sum to 2R ON (the body diodes conduct only during ON-OFF transitions, or at very high currents)." Shane Trent 20150501

211 Fig 3.113 a "Catch-22": Q 1 acts only after the capacitor has largely discharged. Replacement circuit here Robert Schöftner and Peter Horowitz 20150427

216 last paragraph change sentence to "Happily, MOSFETs are less likely to suffer...," and add footnote: "Some newer fine-geometry types are susceptible, however; see IR App-note AN-1155." Chris Jones 20150306

219 right column, line -7 should be g m ∝ I C Lorenzo Donati 20150620

226 Fig 4.7B interchange “+” and “-” input symbols Enrico Perera 20150331

228 Fig 4.11 R 1 in numerator should be R 2 Maksym Ganenko 20150511

233 Fig 4.21 interchange “+” and “-” input symbols Christian Zietz 20150421

234 left column, line -10 ...so for equal resistor values the input current is... Poul-Henning Kamp 20150411

249 Fig 4.50 replace "C" in last eq'n with "R 2 " Russ Kegley 20150509

267 left column, line 15 change "V + " to "V ref " Steffen Kirn 20151001

270 right column, line 6 change "inverting" to "noninverting" Peter Smith 20200129

287 Exercise 4.36 interchange -10 and +10 in 3rd and 4th lines Graham Keeth 20180101

295 right column, line 3 change "50µA" to "50µV" Maksym Ganenko 20150526

296 right column, line -8 change 7mAh to 70mAh Philipp Marek 20150907

300 right column, line 13 change 22-220GΩ to 4.5-45GΩ Karl Zeilhofer 20151203

308 right column, line -16 change S=mf T to S=0.3mf T lorenzo Donati 20150720

336 Fig 5.52 vertical scale in bottom graph should be 10, 100, 1000 Lorenzo Donati 20150722

337 left column, line 7 R s =1MΩ Philipp Marek 20150907

347 right column, line -14 change ±0.02mV to ±0.01mV, 62,500:1 to 250,000:1, and 96dB to 108dB Lorenzo Donati 20150725

350 left column, line -4 change 100mV to 10mV (and, in following lines, 10V → 1V and 100W → 10W) Marc 20151024

354 right column, line -12 change "200:1" to "20:1" Carl Van Wormer 20151227

356 right column, line 2 change "0-5V" to "0-4V" Philipp Marek 20150907

357 Fig 5.77 interchange "ref" and "sense" labels, and interchange “+” and “-” input symbols on lower op-amp Ste Kulov and Maksym Ganenko 20150413

367 Fig 5.87 Replacement circuit here Lorenzo Donati 20150731

368 Fig 5.88A interchange "+" and "-" symbols on U 3 Lorenzo Donati 20150802

416 Fig 6.42 change feedback resistor to 2k, and output amplitude to 0.2V in . Axis units are "2πfRC" (also for Fig 6.41) Alex Haynes 20150604

437 Fig 7.20 interchange “+” and “-” input symbols on both op-amps Anders Jellinggaard 20150510

456 Fig. 7.50 correct waveforms divide by 4 (not 2); replacement figure here Richard Pickvance 20181125

466 Fig 7.63 capacitor on one-shot T 2 should be 100nF Lorenzo Donati 20150809

474 eq'n 8.3 second term needs R in denominator Philipp Marek 20150907

478 left column, lin -12 eq'n should read: v n 2=∫|e n (f)H(f)|2df Lorenzo Donati 20150811

480 eq'n 8.14 denominator in argument of log should be: 4kTR s B Ádám Hollós 20190122

485 eq'n 8.24 coefficient of last term should read: 2q(I C /β 0 )r2 bb' Jian Zheng 20160704

486 Fig 8.19 increase C in to 4.7μF (to shunt the bias divider's noise) Pol Welter 20200620

506 Fig 8.42, top R E should be 22Ω Maksym Ganenko 20150703

509 left column, lines -4 and -6 g m should be in denominator David Tranah 20151006

513 Fig. 8.49 add 1uF bypass between output and com of LT6654 (req'd for stability) David Crossan 20160727

545 Fig 8.80A pnp is ZTX550 Mikko Syrjälahti 20150410

569 left column, line 11 in section 8.13.6 omit R on lefthand side of eq'n Maksym Ganenko 20150725

600 Fig 9.5 output label should be "+5V, 2A" MaWin 20150423

608 Fig 9.15 change A1 to TLE2141 (operates to neg rail) Amir Yazdani 20170309

623 Fig 9.39B interchange op-amp's “+” and “-” input symbols Enrico Perera 20150808

629 right column, line 5 change "with neutral" to "with ground" Andreas Sundstrom 20150531

639 Fig 9.59 caption last word: change "V out " to "V in " Mark Ferrari 20150419

646 Fig 9.65 output label should be “+3.3V, 5A” and R 2 should be 1.74k Kevin McMurtrie and Maksym Ganenko 20150403 and 20150803

648 Eq'n 9.5 in eq'n 9.5g change D/(1-D) to 1/(1-D), and in eq'n 9.5h change T/2L to T/2 Mark Ferrari 20150430

666 right column, line -5 N2 should be in denominator Maksym Ganenko 20150813

670 eq'n in left column, line -16 current should be squared Chip Coldwell 20180517

696 Fig 9.110 caption change Q 2 to Q 1 Allan Herriman 20151204

703 left column, line -6 change "DCAs" to "DACs" Thorsten Johannvorderbrüggen 20150407

713 Fig 10.20 remove bubble on gate's output Lorenzo Donati 20150523

722 Table 10.4 3rd from bottom should read A+A'B=A+B Lorenzo Donati 20150525

723 Fig 10.34 gate at output should be OR (i.e., omit bubble) Tyler Manning 20150723

725 Fig 10.38 interchange A and B labels on lefthand figure Lorenzo Donati 20150525

737 Fig 10.70 and code above add inverter from Q A to D A , and insert linebreak after QA.q in second line of ABEL code Sebastian Wangnick 20150505

738 Fig 10.72B move falling edge of D to the right by a half cycle of the input clock Sebastian Wangnick 20150505

740 Fig 10.74 R3 should be 33Ω Joe Savio 20160903

741 Fig 10.78 replace last 11 lines with this Sebastian Wangnick 20150505

778 Fig 11.13 enclose the pair of lines after the last "else" with "begin...end" Lothar Haungs 20150630

816 Fig 12.38 Time axis for bottom pair should be 0 to 4µs Javier Alberola 20150925

818 Fig 12.39F corrected mini-table here Michael Weilguni 20150529

824 left column, lines 15-19 and 28-30 circuit A discussion: replace lines 15-19 with this: "Taking the higher value, and using the datasheet's R ON =200mΩ at 25°C, we've got I2R ON =20W dissipation in Q2 (rising to 30W at 100°C), not a happy situation for a transistor that's ordinarily dissipating less than 2W."

Circuit B discussion: replace lines 28-30 with this: "The bad news: it makes things worse for Q2, whose dissipation rises to I lim V in =120W." Roland Clarke 20151129

846 Fig 12.86B, (and page 845) H11L1 and H11N1 belong in group A (open collector) Clemens Ladisch 20150407

852 Fig. 12.94C bridge rect: reverse top right and lower left diodes Peter Smith 20190918

883 Fig 13.4 bottom resistor is 20k Daniel Niessen 20150413

885 Fig 13.8B interchange op-amp's “+” and “-” input symbols Andrew Baker 20150919

962-63 §13.13.4B in Fig 13.99, change R 3 to 3.6M (also next page, bottom left column) and R 4 to 330k; in the loop-gain eq'n change 2.26x105 to 3.77x105; in the gain calculation box the VCO voltage range is 1V to 4V, so K VCO is 60kHz/volt or 3.77x105rad/sec-volt Federico Sangiuliano 20151113

1007 Program 14.5 several bugs, corrected program here Phillip Marek and Alan Stern 20151110 and 20151119

1039 Fig 14.45 caption horizontal scale is 100µs/div Casey Nordgran 20150428

1047 Fig 14.51 int 64: highest bit is -263

quad binary 128: lowest bit is 2-112 Phillip Marek 20151110

1056 suntan monitor add 25ms delay (RC settle) before reading "bake" setting Phillip Marek 20151110

1057 pseudocode listing, line 5 second "PD1" should be "PD0" João-Nuno Carvalho 20150425

1058 Program 15.1 replace 2 instances of

"PORTD = BUZZER"

with

"PORTD &= ~BUZZER" Matt Keeter 20160520

1065 pseudocode listing, line -5 if mode=remote Phillip Marek 20151110