LC72146M PLL Frequency Systhesizer
#PLL
#frequency synthesizer
#LC72146M
#RF
#tuner
#phase-locked loop
#communication
#wireless
#signal generation
#radio
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DF data transmission module and the super-regenerative receiver module
The DF data transmission module operates at a frequency of 315 MHz and utilizes a surface acoustic wave (SAW) resonator for frequency stabilization, ensuring high frequency stability. The frequency drift remains minimal, at only 3 x 10^-6, across a temperature...
Wireless IR Headphones circuit
This wireless infrared (IR) headphones circuit project enables the transmission of audio signals through an infrared connection. The circuit consists of two main components: a transmitter and a receiver. Unlike radio frequency (RF) transmitters, both parts of this application must...
RF data link and remote control
This section describes an experimental low power, low bandwidth data signaling system that was initially made to operate at 55 MHz (television channel 2 in the U.S.). Before operating a radio transmitter, find out what kind of transmitter operation, if...
FT0 frequency synthesizer circuit
A frequency synthesizer circuit diagram has been found, but clarification is needed regarding a component connected to VDD from pin 9, VSS from pin 8, and pin 12, which is linked to the phase comparator 2. The component in question...
RF Field Strength Meter Circuit
A sensitive and reliable RF field strength meter is an invaluable instrument in amateur radio and radio-controlled model applications. This field strength meter is utilized to align antennas for optimal gain and to determine the transmission range of radio controllers....
PLL1706DBQ 3.3-V DUAL PLL MULTICLOCK GENERATOR
This application report presents a potential solution to the telecom plug-in power issue, utilizing a nominal 48 Vdc system bus and a module that requires two low-voltage supply outputs. It includes a comprehensive design methodology for customizing the circuit to...
Bandswitched Grid Dip Meter
This circuit is designed for checking resonances in tuned circuits, antennas, and similar applications, covering a frequency range of 2 to 20 MHz. Q1 acts as an oscillator that can be tuned across this range using capacitor C1 and band-switched...
A Low Power Wireless Audio Power Amplifier
A battery-powered portable unit suitable for all types of televisions. This low-cost project allows audio reproduction from a TV without disturbing others.
This battery-powered portable audio unit is designed to provide a convenient solution for reproducing television audio discreetly. The unit...
Car wireless alarm
This FM radio-controlled anti-theft alarm can be used with any vehicle having a 6- to 12-volt DC supply system. The mini VHF, FM transmitter is fitted in the vehicle at night when it is parked in the car porch or...