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Diode Detector - Radio receivers - Amateur Radio Archive
https://www.radioexperimenter.us/radio-receivers/diode-detector.html
Its use is shown in the detector-amplifier circuit diagram. This single tube serves simultaneously as a detector and audio amplifier. It contains …
Diode Detector: AM Envelope Demodulator » Electronics …
https://www.electronics-notes.com/articles/radio/modulation/am-diode-detector-demodulator.php
The diode detector is the simplest and most basic form of amplitude modulation, AM signal detector and it detects the envelope of the AM signal. The AM diode detector can be built from just a diode and a few other components and as a …
RF diode detector - Crystal-radio.eu
http://www.crystal-radio.eu/diodedetector/endiodedetector.htm
The maximum input voltage for this diode detector is 20 volt (peak), the reverse voltage across diodes D1 and D2 is then 40 volt, which is the maximum allowable. The power supply voltage for the diode detector must at least be 3 volt higher …
The best diode and audio transformer for a crystal set ...
http://kearman.com/bentongue/xtalset/4opd_xfr/4opd_xfr.html
At low signal levels the RF input resistance and audio output resistance of a detector diode are equal to 25,700,000*n/Is Ohms (current in nA). For minimum detector power loss at very low signal levels with a particular diode, all one has to do is impedance match the RF source resistance to the diode and impedance match the diodes' audio output resistance to …
Sensitive Audio Detector | AC Circuits | Electronics Textbook
https://www.allaboutcircuits.com/textbook/experiments/chpt-4/sensitive-audio-detector/
Detectors are intended to be used for balancing bridge measurement circuits, potentiometric (null-balance) voltmeter circuits, and detect extremely low-amplitude AC (“alternating current”) signals in the audio frequency range. It is a valuable piece of test equipment, especially for the low-budget experimenter without an oscilloscope.
AM detector more sensitive than simple diode - EDN
https://www.edn.com/am-detector-more-sensitive-than-simple-diode/
The detector loads the source stage, possibly increasing its bandwidth. The output impedance of the detector is relatively high, which is undesirable. The volume control puts an AC load on the detector causing distortion in the audio. The diode used has to be a germanium type or a hot carrier diode that has a low forward conduction voltage.
DETECTOR/AVC/1ST AUDIO STAGE
http://www.radioremembered.org/detector.htm
This is an alternating signal composed of the carrier signal which is modulated by the audio component. The detector or demodulator section consists of the cathode (pin 3) and the two diode sections (pins 4 & 5) of the tube, which form a half-wave rectifier. The incoming signal is rectified (the lower half of the wave form is chopped off) by this circuit.
Crystal Radio Engineering Diode Detectors
https://www.kennethkuhn.com/students/crystal_radios/diode_detectors.pdf
Diode Detectors 5 Figure 2: Various diode detectors The detector places a load resistance on the resonant circuit it is connected to. For very large signals the load resistance is roughly twice the impedance of the headphones as conduction only occurs for one half cycle. The load impedance for very small signals is higher because of diode losses.
and Applications of Diode Detectors
http://hparchive.com/seminar_notes/Pratt_Diode_detectors.pdf
detector diodes is the formation of a Schonky barrier on P type silicon which has a barrier heighr about % that of ordinary schonky diodes. The low barrier height results in delecrors which are electrically similarto point contact devices bur much more ruggedl Allthree types of diodes are found in current xF-produas. The K and R 4224 derectors use poinr
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