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1kHz Sinewave Generator - Simple circuitry, low distortion,
battery operated. Variable, low impedance output up to 1V RMS.
(electronic circuit added 06/07/08) |
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2.4MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT -
Linear Technology Switching Regulator (app note added 6/06) |
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Audio Test Oscillator - As a piece of test equipment, an audio
oscillator has to be considered essential for anyone working in with hi-fi
gear. Toger with an audio millivoltmeter (as described in Project 16), and
even better if you have access to an oscilloscope, you will be able to make
proper measurements on everything from preamps, RIAA equalization stages
(for vinyl disks), tone controls,....(added 4/02) |
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Few Extra Components Stabilize Oscillator - 02/15/96 EDN-Design
Ideas....The circuit beneath the dashed line in Figure 1 is the well-known
Wien-bridge oscillator. The lamp is a common tungsten incandescent bulb....
EDN is migrating links. This link is not verified. Search the "title"
EDN for new link. |
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LT3465A-2.4MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT -
Linear Technology Switching Regulator (app note added 6/06) |
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Programmable oscillator uses digital potentiometers - 7-Mar-02 Issue of EDN
Digital potentiometers are versatile devices; you can use them in many filtering and
waveform-generation applications. This Design Idea describes an oscillator in
which setting the resistance of two digital potentiometers independently programs the
oscillation amplitude and frequency. Figure 1 shows a typical diode-stabilized Wien-bridge
oscillator that generates accurate sine waves fro.... [Design Idea by Alan Li, Analog
Devices, San Jose, CA] |
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Q Multiplication in the Wien Bridge Oscillator - by Ramon Vargas 8-11-04
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The Wien bridge oscillator is reborn - 13-Jun-02 Issue of EDN In 1940,
William Hewlett and David Packard launched a product from a garage. The product was a
Wien-bridge oscillator. It consisted of a single-pole highpass filter in series with a
single-pole lowpass filter. To keep the gain constant, the circuit used an
incandescent pilot light to provide AGC (automatic gain control].... [Design Idea by
Michael Fisch, Agere Systems, Longmont, CO] |
| Two Transistor Wein Bridge Oscillator -
Scroll Down to find this circuits. Here is a two-transistor Wien bridge
oscillator using an ordinary night-light bulb for stabilization. The output is about 6
volts p-p and can drive fixed loads as low as 2 or 3 thousand ohms without additional
buffering. A 10 k amplitude potentiometer….(added 05/05/05) |
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Wien Bridge Oscillator Andy - This circuit produces an extremely low
distortion sine-wave, in spite of the non-linear devices used for amplitude limiting
(D1 and D2). The reason is first that distortion (harmonics) are fed to the minus
input of the opamp with far less loss than to the plus inputDesigned by Andrew R.
Morris (added 09/05) |
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Wien Bridge Oscillator is Reborn - 06/13/02 EDN-Design Ideas....In1940,
William Hewlett and David Packard launched a product from a garage. product was a Wien-bridge
oscillator. It consisted of a single-pole highpass filter in series with a single-pole
lowpass filter.... [Design Idea by Michael Fisch, Agere Systems, Longmont, CO] |
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Wien Bridge Oscillator keeps THD BeLow One PPM - 11/10/94 EDN-Design
Ideas....The Wien-bridge sine-wave oscillator uses a light bulb to stabilize its
amplitude. The circuit doesn't have a light bulb; it sports several enhancements that
lower its distortion.... [Design Idea by Jeff Smith, Analog Devices, Wilmington, MA] |
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Wien Bridge Oscillator Rail-to-Rail Sine Wave Generator - Circuit Ideas for
Designers Application Notes Advanced Linear Devices, Inc....[App Note] |
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Wien Bridge Oscillator-42003.0 - Circuit Ideas for Designers Application
Notes Advanced Linear Devices, Inc....[App Note] |
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Wien Bridge Theremin - (circuit / schematic added 2/03) |
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Wien-Bridge oscillator has simplified frequency control - In this article, a
modified version of the classical circuit that uses a single low-cost variable
resistor for frequency control will be described. (electronic design added 05/06/07)
[Design by Ramon Vargas 20-8-04] |
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