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Encoder Circuits, Page 2
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Last Updated on:
Friday, March 23, 2012 04:35 PM
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Links to electronic circuits,
electronic schematics, designs for engineers, hobbyists, students & inventors:
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Optical Encoder Controls Range Switch - 10/08/98 EDN-Design
Ideas.....Instead of using a counter-controlled, pushbutton-activated
range switch, you can use an optical encoder. Inexpensive encoders are
available, and they occupy minimal space on the front panel of an
instrument.....Several circuits included, scroll to find this one.....
[Design Idea by W Dijkstra, Waalre, The Netherlands] |
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PIC Based Packet Radio Encoder - (circuit / schematic design
added 6/06) |
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PL Tone Encoder Board - If your local repeater has got you
singing the PL tone blues, then read on. For less than $10, an inexpensive
PL tone generator can be constructed that will bring new life into that
old non-PL rig…. [Radio Amateur Society of Norwich] |
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Position Encoder Does Away withADC - 05/08/97 EDN-Design
Ideas.....The position encoder in Figure 1 is a simple yet powerful
circuit that converts the change in resistance of a potentiometer into a
digital value without using an expensive A/D converter. The working
principle is a resistance-to-PWM converter built around the common 555
timer IC. A change in the potentiometer's..... [Design Idea by Jose Carlos
Cossio, Santander, Spain] |
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Professional Stereo Encoder - Uses high quality NJM2035 stereo coder IC.
….(electronic schematic added 11/08) |
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RDS Encoder - The encoder works alone - PC is required only for loading data
to the encoder!!! "On fly" loading is supported, loading takes less than 1 sec….
[Radio Data Systems] |
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RDS Encoder - schematic only (schematic / circuit added 6/07) |
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RDS Encoder-Digital part - (circuit added 06/07/08) |
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Remote Control Encoder/Decoder with PIC16C620 & PIC12C508 - (circuit /
schematic design added 6/06) [Peter Jakab, Electrical Engineer, Engineer of
Informatics] |
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Resolver to Digital Conversion; Simple Alternative to Optical Shaft Encoders -
AN-263 Analog Devices Application Notes.....[App Note] |
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RF Transmitter uses AMI encoding - 11/24/99 EDN-Design IdeasAlthough
alternate-mark-inversion (AMI]encoding is well-suited for direct-conversion FM
transmission, designers often overlook the technique. AMI, a three-phase,
synchronous-encoding technique, uses bipolar pulses to represent logic ones and no
signal to..... EDN is migrating links. This link is not verified. Search the
"title" EDN for new link. |
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Rotary encoder mates with digital potentiometer - 6-Mar-03 Issue of EDN
In developing electronic systems, designers look for products or ideas that may
benefit from the better performance, smaller size, lower cost, and improved
reliability that an IC can offer. Toward that end, the digital potentiometer emerged
as an alternative to its mechanical counterpart, the mechanical potentiometer.....
[Design Idea by Peter Khairolomour, Analog Devices, San Jose, CA] |
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Stereo Encoder/ Multiplexer - based on NJM2035, very simple circuit and well
documented (circuit added 8/06) |
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Veronica Stereo Encoder - As you probably know, to enable stereophonic
broadcasting, audio channels LEFT and RIGHT have to be specificaly encoded in such a
way that FM receivers can reconstruct stereo. This is a low cost, but powerful,
stereo coder. Since the schematic is very 'clean' there's no full documentation
available. Just note that : * Trimmers adjust 19KHz pilot tone and output levels (see
schematics). * Cap. trimmer fine tune the 19KHz pilot tone frequency (from 76KHz
crystal). ….(electronic schematic added 11/08) |
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