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"Carcinotron" - backward wave oscillator (BWO), also called backward wave tube, unknown brand
author: Jan Helebrant
license CC0 Public Domain Dedication
Polyphony - 4 voices
Oscillators - Dual Oscillator Analog Modeling Synthesis System: 7 waveforms: sine, tri, saw, pulse, noise, ross-wave, vox, plus 64 DWGS waves, external audio
LFO - 2 LFOs with sample and hold
Filter - Multi Mode Filter (-24dB/oct LPF, -12dB/oct LPF/BPF/HPF)
Effects - 3 types modulation (chorus/flanger, phaser, ensemble), 3 types delay (stereo, cross, L/R), 2-band EQ, 8-channel vocoder, 6 pattern arpeggiator (UP, DOWN, ALT1/2, Random, Trigger)
Keyboard - 37 Keys (mini-keyboard, velocity sensitive)
Memory - 128 programs
Control - MIDI IN/OUT/THROUGH
Elmer Verburg Designed double acting oscillator. It has a 7/16" bore and a 5/8" stroke, and the flywheel is 1-1/2" diameter. Beveled gears provide 90 degree drive for prop.
The insides of a pair of cheap wireless transmitters. The whole thing is roughly three inches by four. All that stuff is packed in there pretty tightly by 1980's standards
Dielectric Resonator Oscillator
Full description & reverse-engineering analysis: www.eevblog.com/forum/projects/avionics-reverse-engineeri...
YSX211SL
PARAMETERS:
1. Frequency range: 16-54MHz
2. SMD/SMT crystal unit, 4 pin 2016 type
3. Excellent for reducing EMI effect
4. High precision and frequency stability
5. Customize service is supported
6. Normal load capacitance: 8pf/9pf/12pf/18pf/20pf
7. Normal temperature: -40~+85℃
8. Standard frequency tolerance: ±10PPM
9. Applications: Mobile phone, Bluetooth, W-LAN ISM band radio
Lynn Zheng/Overseas sale
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Workshop to build a light-controlled 6 oscillator sci-fi drone machine, under the guidance of Mr. Underwood.
More: www.mrunderwood.co.uk
"Carcinotron" - backward wave oscillator (BWO), also called backward wave tube, unknown brand
author: Jan Helebrant
license CC0 Public Domain Dedication
Maia Francisco - Piano and Wave Oscillator @ Ephémère, Studio Loos, Den Haag Thursday January 16th 2014
Spent a couple of down days on a pair of oscillators so I could make a circle on my oscilloscope. Each oscillator uses a pair of integrators and an error amp. This configuration was widely used in analog computing in the 60's and 70's. The resulting picture is named after a guy named Lisajous.
current problems
- led dims when connecting the CV (remains dim)
- sometimes it only puts out about 10khz which doesnt seem to be affected by the CV
Manufactured for Canadian Westinghouse / Dominion of Canada. 6K8, triode- heptode oscillator mengbuis met stalen mantel en topaansluiting.
"Carcinotron" - backward wave oscillator (BWO), also called backward wave tube, unknown brand
author: Jan Helebrant
license CC0 Public Domain Dedication
You can't really see the actual tuning device but mounted below is a voltage controlled oscillator controllable from 38.7-41.4 MHz for use in a 28.0-29.7 MHz FSK data receiver.
"Carcinotron" - backward wave oscillator (BWO), also called backward wave tube, unknown brand
author: Jan Helebrant
license CC0 Public Domain Dedication