LCD RF Power meter AD8307 sensor schematic
#LCD
#RF
#power meter
#AD8307
#sensor
#schematic
#measurement
#instrumentation
#electronics
#circuit
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Interfacing LCD to Atmega using two wires
This is not a new idea for interfacing an LCD using two wires, but it can be beneficial in situations where there are insufficient microcontroller pins. This example is based on the Hitachi 44780 alphanumeric LCD. The provided circuit serves...
Contrast Control for LCDs
The adjustment control for the contrast of an LC-Display is typically a 10-kilohm potentiometer. This functions adequately as long as the power supply voltage remains constant. However, in cases where the power supply is not stable (such as with battery...
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Sending Morse on a rig without a sidetone is not impossible, but is not particularly pleasant either. This battery-powered monitor has been designed to provide an audible indication of keying for those whose rigs lack a CW sidetone. Its sensor...
Radio harmonic detection circuit
The demodulation and detection circuit is a radio AM intermediate frequency (IF) signal amplifier that performs two-stage detection using diode Dr. It extracts the audio signal from the IF carrier detection and subsequently sends it to the power amplifier stage....
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RF Wireless Data Transfer communication Circuit diagram
RF Wireless Data Transfer communication circuit diagram. A wireless communication interface was implemented to facilitate data transfer from one point to another using RF technology.
The RF Wireless Data Transfer communication circuit utilizes radio frequency (RF) technology to establish a wireless...
Closed-Loop Automatic Power Control for RF Applications
This is a circuit for Closed-Loop Automatic Power Control for RF Applications. The circuit utilizes a log detector (AD8318) and a variable gain amplifier (VGA) (ADL5330).
The Closed-Loop Automatic Power Control (APC) circuit is designed to maintain a consistent output power...
Easy Debugging Terminal
This LCD terminal provides two modes of operation by selecting jumper J1. When J1 is open, the terminal operates as a normal ASCII display terminal. When J1 is closed, the terminal displays the input serial data in hexadecimal format. This...