B

Bainter, J.R., 640
Bainter notch filter:
design equations, 650
diagram, 641
prototype, 670
Balanced audio transmission system, circuit, 172
Ball grid array, PCB, 828
Bandgap reference, 517–520
architecture, table, 523
basic, circuit, 517
Bandgap temperature sensor:
cell reference voltage, 217
diagram, 217
Bandpass filter, 334
bandwidth, 590
definition, 590–591
delay curve, denormalization, 604
peaking versus Q, 590
pole frequencies, 625
response, graph, 670
response envelope, 616
transformations, 604
transfer function, 590
wideband or narrowband, 624
Bandpass sampling, 333
Bandpass sigma–delta converter, 424–425
replacing integrators with resonators, diagram, 425
Bandpass transformation, circuit, 670
Bandreject filter, 591–592
definition, 591
response, graph, 671, 672
transfer function, 591
transformation, circuit, 632, 671
Bandwidth:
for 0.ldB flatness, 54
SHA, 556
Barrow, J., 829
Base-10 code, and binary, 311
Baseband, sampling, 331
Baseband antialiasing filter, 331–332
oversampling, 331
Basic diode log amp, 126
Bell Laboratories, 367
Bessel filter, 600–601
amplitude response, 602
design prototype, 672
design table, 620
impulse response, 597–598
poles, 601
response curves, 611
standard response, 599
step and impulse response, 598
Bessel function, 672
Best, R.E., 301
Best straight line, 434
for integral linearity error, 320–321
Bi-FET, in op amp, 22
Bias-compensated input structure, circuit, 33
Bias-compensated op amp, 33, 34
Bias current, 30–31
compensation, SHA, 33
error, 398
minimizing, 35
BiFET op amp:
input behavior, 145
phase reversal, 783
Binary code, 310
and base-10), 311
and hexadecimal, relationship, 310, 311
Binary-coded-decimal code, table, 316
Binary R-2R DAC, 343, 368
Binary-weighted capacitive DAC, in successive approximation ADC, diagram, 348
Binary-weighted current mode DAC, diagram, 348
Binary-weighted current source, 347–348
Binary-weighted voltage mode resistor DAC, diagram, 347
Bipolar 3-bit ADC, transfer function, 315
Bipolar 3-bit DAC, transfer function, 315
Bipolar code, 312–316
4-bit converter, 314
conversions among other codes, table, 316
offset binary, 312
ones complement, 312
sign magnitude, 312
twos complement, 312
Bipolar converter, 318–320
Bipolar-FET transistor, in op amp, 22
Bipolar junction transistor, 215
bias current, 31
Bipolar output, two-quadrant operation, 147
Bipolar power supply, op amp, 6
Bipolar process, for switches/multiplexers, 531
Bipolar switch, in voltage converter, 746
Biquadratic filter, 639
diagram, 639
tunable, 639
Biquadratic filter (A), highpass, design equations, 648
Biquadratic filter (B), notch and allpass, design equations, 648
Bit error rate:
ADC, 472–474
versus average time between errors, sampling, table, 474
Bleaney, B., 843
Bleaney, B.I., 843
Boctor notch filter, 641–642
highpass, diagram, 642
highpass (A), design equations, 651
highpass (B), design equations, 651
lowpass:
design equations, 650
diagram, 641
Bode plot, 8, 13–14, 25, 26, 535, 536, 662
Boltzmann’s constant, 44, 148, 216, 258, 298
Boost converter, 708–711
basic:
circuit, 708
waveforms, 708–709
constant frequency PWM, graph, 726
discontinuous inductor current, 710
discontinuous mode, waveform, 710
gated oscillator (PBM), inductance calculation, graph, 726
input/output capacitors, RMS ripple current, graphs, 737
input/output current, waveforms, 733
input/output relationship, 709
negative in/negative out, circuit, 712
NPN switches in IC regulator, circuit, 721
point of discontinuous operation, 710
  See also Step-up converter
Boser, B., 408
Brandon, David, 287
Bridge output, 310
Broadband Amplifier Applications
Brokaw bandgap cell, 520
Brokaw, P., 223, 517, 688, 829
Brokaw Cell, 216, 517, 518
Brushless resolver, 201, 399
Buck-boost converter:
cascaded, 713
circuits, 712–713
flyback, circuit, 714
topologies, 712–713
Buck converter:
basic:
diagram, 704
waveforms, 705
constant frequency (PWM), inductance calculation, graph, 727
constant off-time variable frequency PWM, graph, 728
fixed off-time variable frequency pulse width modulation, 716
gated oscillator (PBM), inductance calculation, graph, 725
input/output capacitors, RMS ripple current, graphs, 737
input/output current, waveforms, 733
input/output relationships, 706
negative in/negative out, circuit, 712
NPN switches in IC regulator, circuit, 721
point of discontinuous operation, 707
synchronous switch, with P- and N-channel MOSFETS, circuit, 723
waveforms, discontinuous mode, 706
  See also Step-down converter
Buck regulator, gated oscillator control, output voltage waveform, 720
BUF03, monolithic open loop buffer, circuit, 86
BUF04, unity gain buffer, 87
Buffer:
definition, 85
frequency compensated, circuit, 87
simple unity-gain monolithic, circuit, 86
Buffer amplifier, 85–87, 343
Buffer register, 870
Buffered Kelvin-Varley divider, 343
Bulk metal/metal foil resistor, comparison chart, 655
Bulk metal resistor, table, 772
Buried zener, drift, 524–525
Buried zener reference, 520–521
architecture, table, 523
noise performance, 521
Busy, 372
Butterworth filter, 332, 365, 599
amplitude response, 602
design table, 616
disadvantages, 668
impulse response, 597–598
noise bandwidth, 461
order, 585
response, 605
response curves, 604
standard response, 599
step and impulse response, 602
Bypass capacitor, voltage reference, 528, 529
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