Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

Switched attenuators. A 23-position level control (stepped volume control) and a calibrated laboratory attenuator you can build.
AUDIO AMATEUR 2/1972 [Jan 1973] (v.3#2) pg. 14
Added Info AUDIO AMATEUR 3/1973 [Jul 1974] (v.4#3) pg. 20 (Ladder attenuator)

Precision attenuator. A constant resistance decade (stepped) attenuator which is insensitive to different source and load impedances as long as proper matching networks are used.
AUDIO AMATEUR 4/1977 [Dec 1977] (v.8#4) pg. 12
Correction AUDIO AMATEUR 1/1978 [Mar 1978] (v.9#1) pg. 71

AD7110 IC from Analog Devices is specifically designed for audio signal attenuation and control. Includes a simple application circuit for a digitally controlled audio attenuator.
AUDIO AMATEUR 4/1980 [Nov 1980] (v.11#4) pg. 24

A ladder-type L-pad stepped attenuator. Tables give the resistor values to build 23-position attenuators of 50,000-ohm, 100,000-ohm, and 250,000-ohm. Use it to eliminate the usual potentiometer volume controls.
AUDIO AMATEUR 5/1982 [Jan 1983] (v.13#5) pg. 20
Correction AUDIO AMATEUR 1/1983 [Apr 1983] (v.14#1) pg. 54
Added Info AUDIO AMATEUR 2/1983 [Jun 1983] (v.14#2) pg. 56

Build-it-yourself digital level control. Replacing conventional potentiometer control with an electronic attenuator.
AUDIO AMATEUR 4/1990 [Oct 1990] (v.21#4) pg. 18

Stepped attenuators for balanced audio amps. Presenting a design for those considering building a fully balanced preamplifier.
AUDIO AMATEUR 3/1991 [Aug 1991] (v.22#3) pg. 34

Make your own remotely controlled audio attenuator for a radio or audio power amplifier.
AUDIO AMATEUR 4/1993 [Dec 1993] (v.24#4) pg. 35

Design and use of switched attenuators for more precise control and flexibility with your audio system.
AUDIO ELECTRONICS 6/1999 [Nov 1999] (v.30#6) pg. 10

The pull-down "T" attenuator. This high-quality design addresses the drawbacks traditionally associated with stepped attenuator layouts.
AUDIOXPRESS Jun 2001 (v.32#6) pg. 42

Build a seven-section step attenuator with a range of 3 dB to 99 dB. Est. cost: $10.
CQ. THE RADIO AMATEUR'S JOURNAL Jun 1979 (v.35#6) pg. 48

All about attenuators (a device used to reduce the power or voltage level of a signal while introducing little or no distortion). How attenuators work, how they're used, and a small sampling of circuits you can use the next time you need one.
ELECTRONICS NOW Sep 1998 (v.69#9) pg. 44

Build a step attenuator to increase the accuracy of RF (radio frequency) measurements.
ELECTRONICS NOW Apr 1999 (v.70#4) pg. 34
Correction ELECTRONICS NOW Jun 1999 (v.70#6) pg. 7

T and H attenuator pad nomograms.
ELECTRONICS WORLD Mar 1966 (v.75#3) pg. 31

Symmetrical attenuator pad nomograms. Resistor values to be used in T, H, Pi, and O pads with same input and output impedances for radio and audio frequencies.
ELECTRONICS WORLD Sep 1966 (v.76#3) pg. 27

Stepped attenuators. Their primary features and reasons for using them.
GLASS AUDIO 5/1999 (v.11#5) pg. 38
Added Info GLASS AUDIO 3/2000 (v.12#3) pg. 57

Three handy attenuators for extending the range of instruments.
POPULAR ELECTRONICS [1] Apr 1964 (v.20#4) pg. 43

A 60-Hz reject network (attenuator).
POPULAR ELECTRONICS [1] Apr 1968 (v.28#4) pg. 77

Simple circuit for adding attenuation (muting) to an audio signal.
POPULAR ELECTRONICS [1] May 1981 (v.19#5) pg. 84

Build a basic step-attenuator device which allows the user to select attenuation levels of 6-, 12-, 18-, 20-, 26-, 32-, or 38-dB.
POPULAR ELECTRONICS [2] Jan 1995 (v.12#1) pg. 77

Audio testing accessories. (1) High-power load bank. (2) IHF-standardized reactive load. (3) Pinking filter. (4) Step attenuator for input signals. (5) RIAA-Equalization inverter. (6) Input/output loads.
RADIO-ELECTRONICS Aug 1980 (v.51#8) pg. 46

Remote volume attenuator (control) can be operated by either analog or digital means.
RADIO-ELECTRONICS Feb 1982 (v.53#2) pg. 50

Circuit for a low-distortion audio limiter which attenuates sudden changes in volume. Use with any receiver. Ideal for use with earphones.
RADIO-ELECTRONICS Jul 1983 (v.54#7) pg. 74

Computer-designed audio networks. BASIC program eliminates the hard work in designing impedance-matching networks and attenuators for audio systems.
RADIO-ELECTRONICS Nov 1984 (v.55#11) pg. 11 (ComputerDigest)
Correction RADIO-ELECTRONICS Jan 1985 (v.56#1) pg. 5 (ComputerDigest)

Attenuators and minimum-loss pads. BASIC computer program that quickly calculates the resistance values for H and T attenuators and the values for minimum-loss L-matching networks.
RADIO-ELECTRONICS Dec 1985 (v.56#12) pg. 5 (ComputerDigest)

Cheap calibrated L-pads for speaker testing.
SPEAKER BUILDER 3/1981 [Aug 1981] (v.2#3) pg. 30

Tips on adding impedance compensation to the Madisound 10" woofer and the Audax 10" woofer. Also tips on fiberglass lining and resistive attenuators.
SPEAKER BUILDER 4/1983 [Dec 1983] (v.4#4) pg. 42

Three-position L-pad attenuator is simple and inexpensive. Suitable for a low-power device (under 30W).
SPEAKER BUILDER 1/1984 [Mar 1984] (v.5#1) pg. 34

Formula to determine resistor values in L-pad attenuating circuits.
SPEAKER BUILDER 6/1989 [Nov 1989] (v.10#6) pg. 56
Added Info SPEAKER BUILDER 2/1991 [Apr 1991] (v.12#2) pg. 52
Added Info SPEAKER BUILDER 3/1991 [Jun 1991] (v.12#3) pg. 69

Driver attenuation for matching. Table gives the values of the two resistors required in an attenuator circuit in order to match individual driver sensitivities.
SPEAKER BUILDER 6/1995 [Sep 1995] (v.16#6) pg. 53

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