Please note that index links point to page beginnings from the print edition. Locations are approximate in e-readers, and you may need to page down one or more times after clicking a link to get to the indexed material.
A
AC-to-DC converter, 13–14, 80–81
air-core inductor, 35–36
air-core transformer, 39
alligator clip, 118
AM radio receiver, 89–94
AM voice transmitter, 17–18
amateur radio station, 89
amplifier drive, 89
AND gate, 55
antenna, 63
antenna tuner, 89
arrows in flowcharts, 21
audio power amplifier, 85–89, 93, 102
avalanche effect, 134
B
battery, electrochemical, 54
bipolar transistor, 47–48
block diagram:
definition of, 1–2
examples and uses, 13–24
block- to schematic-diagram conversion, 14
breadboard, 113–117
buffer, 79
C
capacitor:
fixed, 31–32
padder, 32
polarized, 32
trimmer, 32
variable, 32–34
cat’s whisker, 84
cell, electrochemical, 53–54, 59, 61
characters, 9
chassis ground, 35–36
choke, 37
clip lead, 118
coaxial cable, 45–46
code practice oscillator, 96–103
coil, 63
component labeling, 66–71
component tolerance, 77
components, letter designations for, 68
components for experiments, 115
crossing, connected, 44
crossing, not connected, 43, 45
conservation of current, 120
conservation of voltage, 123
conventional current, 58
“crystal radio” receiver, 84–85
current, conservation of, 120
current, conventional or theoretical, 58
current law, Kirchhoff’s, 119–122
cutoff frequencies, 103–104
D
decision block, 22–23
demodulator, 84
detector, 84
diode:
vacuum-tube, 49–50
directly heated cathode, 50
DPDT switch, 41
DPST switch, 41
drive, for amplifier, 88
dual triode vacuum tube, 52
E
earth ground, 45
electrochemical battery, 54
electrochemical cell, 53–54, 59, 61
electron tube (see vacuum tube)
exclusive-OR gate, 55
experiments, components for, 115
external capacitance effects, 32
F
farad, 30–31
ferromagnetic material, 37
field-effect transistor, 48–49
field-strength meter, 62–64
filament in vacuum tube, 49–50
first law, Kirchhoff’s, 120
fixed capacitor, 31–32
fixed inductor, 35–38
flashlight:
single-cell, 58–60
two-cell, 60–62
flowchart, 18–24
flux density, magnetic, 37
forward bias, 133–134
forward breakover voltage, 134
full-wave bridge rectification, 69
functional diagram, 13–16
G
galena, 84
ganged capacitors, 34
Gunn diode, 46
H
hand key, 42–43
hard wiring, 7
hardware, 23
henry, 35
heptode vacuum tube, 52–53
hexode vacuum tube, 52–53
highpass filter, 103–104
I
indirectly heated cathode, 49–50
inductance-capacitance circuit, 92, 103–104
inductor:
air-core, 35–36
fixed, 35–38
laminated-iron-core, 37
powdered-iron-core, 38
solid-iron-core, 37
input and output programming symbol, 20
interconnections, schematic, 6–8
intermediate junction program symbol, 20
International Morse code, 96
iron-core inductor, 37–37
iron-core transformer, 39
J–K
jumper wire, 118
key for sending Morse code, 42–43
Kirchhoff, Gustav Robert, 120
Kirchhoff’s current law, 119–122
Kirchhoff’s first law, 120
Kirchhoff’s second law, 123
Kirchhoff’s voltage law, 123–125
L
L network, 94
labeling of components, 66–71
laminated-iron-core inductor, 37
laminated-iron-core transformer, 39
lamps, mismatched, 137–144
language:
sign, 10
visual, 8–11
letter designations for components, 68
load resistor, 130
logic gates, 54–55
logical inverter, 54–55
lowpass filter, 103–104
M
magnetic flux density, 37
microammeter, 63
microfarad, 31
microhenry, 35
millihenry, 35
mismatched lamps, 137–144
Morse code key, 42–43
multicontact switch, 40–42
multimeter, 74
N
N-type semiconductor, 132
NAND gate, 55
nanohenry, 35
nonferromagnetic material, 37
nonpolarized device, 31
NOR gate, 55
NOT gate, 54–55
O
off-page connection flowchart symbol, 20
ohm, unit of resistance, 25
OR gate, 55
P
P-N junction, 134
P-type semiconductor, 132
padder capacitor, 32
page breaks, 91–94
parallel resistors, 70–71
peak inverse volts, 132
pentagrid converter, 53
pentode vacuum tube, 51–52
phase coincidence, 97
phase inversion, 97
pi network, 94–95
pi-L network, 95
picofarad, 31
pictorial diagram, definition of, 1
pictorial versus schematic diagrams, 11
polarized capacitor, 32
polarized device, 31
pole, switch, 40
positive-ground system, 97
potentiometer, 26–30
powdered-iron-core inductor, 38
powdered-iron-core transformer, 39
power amplifier, audio, 85–89
power supply, 16–17, 64–65, 80–81, 97–100
prewritten program symbol, 20
process paths, 22–24
processing operation programming symbol, 20
program decision symbol, 20
program flowchart, 19–24
program modification symbol, 20
punched-card program flowchart, 21–22
push-pull circuit, 87–89
R
radio receiver, 89–94
rectifier diode, 46–47
resistor:
carbon composition, 26
film type, 27
fixed-value, 26–27
load, 130
variable, 28–30
resistors in parallel, 70–71
resonant frequency, 85
reverse bias, 133–134
rheostat, 26–29
ripple, 65
roller inductor, 95
rotary switch, 42
rotor of variable capacitor, 33
S
schematic-and-block combinations, 78–81
schematic diagram, definition of, 1–4
schematic interconnections, 6–8
schematic symbology, purpose of, 4–6
schematic- to block-diagram conversion, 14–15
schematic versus pictorial diagrams, 11
second law, Kirchhoff’s, 123
sign language, 10
silicon-controlled rectifier, 47
single-cell flashlight, 58–60
software, 24
solid-iron-core inductor, 37
SPDT switch, 40
speech processor, 89–90
SPST switch, 40
start programming symbol, 20
stator of variable capacitor, 33
stop programming symbol, 20
strobe light circuit, 15–16, 108–111
switch:
DPDT, 40–41
DPST, 41
multicontact, 40–42
rotary, 42
SPDT, 40
T
telegraph key, 96
test points, 75–76
tetrode vacuum tube, 51
theoretical current, 58
throw, switch, 40
tolerance, component, 77
transformers, all types, 39
transistor:
bipolar, 47–48
field-effect 48
trimmer capacitor, 32
triode vacuum tube, 50–51
tube (see vacuum tube)
tuner, in radio receiver, 92–94
twin-T oscillator, 96–103
two-cell flashlight, 60–62
U–Z
vacuum tube:
diode, 49–50
dual triode, 52
heptode, 52–53
hexode, 52–53
pentode, 51–52
tetrode, 51
triode, 50–51
varactor diode, 46
variable capacitor, 32–34
visual language, 8–11
voice transmitter, 17–18
volt-ohm-milliammeter, 74
voltage, conservation of, 123
voltage divider, 125–132
voltage doubler, 69–70
voltage law, Kirchhoff’s, 123–125
voltage reducer, 132–137
voltage regulation, 69
wire wrapping, 117–118
XOR gate, 55
3.138.117.75