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AM Modulator: Amplitude Modulation » Electronics Notes
https://www.electronics-notes.com/articles/radio/modulation/amplitude-modulation-am-modulator-circuits.php#:~:text=In%20the%20modulator%20circuit%2C%20the%20RF%20amplifier%20anode,a%20constant%20current%20source%20in%20the%20audio%20range.
Audio-Light Modulator - Codrey Electronics
https://www.codrey.com/electronic-circuits/audio-light-modulator/
May 27, 2021. by T.K. Hareendran. An audio-light modulator is a funny device that controls the intensity of one or more electric lamps in response to the audio signal input. Such a device is ideal to give the rhythm to any party or disco, and is very …
Voice Changer Circuit: Building a Voice Modulator Circuit
https://www.wellpcb.com/voice-changer-circuit.html
However, for this experimental project, we will use a digital voice changer circuit that has a designation of changing the timbre of an individual’s voice to a different one. Further, it can modify to sound like an alien or a robot voice. We have borrowed the voice modulator technology from the device HOLTEK. HOLTEK is a voice changer chip that often processes the voice signal …
FM Modulation/de-modulation Circuit : 7 Steps (with ...
https://www.instructables.com/FM-Modulationde-modulation-Circuit/
Musical Modulator Circuit » CircuitsZone.com
https://circuitszone.com/musical-modulator-circuit/
Fill this circuit a simple audio tone, and it provides you back a musical note with a selectable drive, sustain and decay. Input impedance is 10,000 ohms, output impedance 1000 ohms, and gain is accord. Best results will be taken with signal inputs having amplitudes of 1 Volts peak-to-peak or less.
AM Modulator and Demodulator by the use of MC1496
http://www.eelabs.faculty.unlv.edu/docs/labs/ee460L/LabInstr_EE460L_Lab4.pdf
1. Set the input signals of AM modulator for the carrier of 250mVp-p, 500 kHz sine wave, and the audio signal of 150mVp-p, 3 kHz sine wave. 2. Adjust the VR1 of AM modulator to get the percent of modulation of 50%. 3. Connect the output of AM modulator to the input of AM signal (I/P2) of the product detector located on the
VERSATILE MODULATOR - World Radio History
https://worldradiohistory.com/ARCHIVE-RCA/RCA-Ham-TIps/RCA-Ham-Tips-56-07-08.pdf
The modulator described in this article can furnish any audio power between 25 and 100 watts and, therefore, can modulate 100% any rf input power up to 200 watts. Maximum power output is determined primarily by the plate voltage applied to the modulator tubes. No circuit changes are necessary when the
Amplitude Modulators - The Audio Pages (Main Index)
https://sound-au.com/articles/am-modulation.htm
The levels of both RF (carrier) and AF (audio modulation) must be well within the maxima that the IC can handle, or the output will be distorted. Note that the modulation input has a very low input impedance, set by R6, and is 51Ω as shown. An input resistor will generally be necessary to reduce the signal level to a few millivolts at most - an initial value of around 1k is suggested.
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