Simple Frequency Meter
#frequency meter
#measurement
#instrumentation
#signal processing
#electronics
#frequency counter
#circuit design
#test equipment
#analog
#digital
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FREQUENCY COUNTER PREAMP
By utilizing a preamplifier with a short length of shielded cable and clip leads, signals that typically do not produce a readout can generate precise and stable readouts on the counter. A DPDT switch is incorporated to bypass the circuit...
2.5 GHz Frequency meter with 2x16 LCD display
This project explains a very powerful frequency counter which has many useful software functions. The software can add or subtract 3 different IF frequencies (±455 kHz, ±10.7 MHz, and ±21.4 MHz). You have also two levels of resolutions, 1 kHz...
Computer Controlled Frequency Counter/Logic Probe
This circuit is a stable frequency counter with an accuracy of 5 significant digits. It operates within a frequency range of 0 to 30 MHz and has an input sensitivity greater than 100 mV. The probe connects to the PC's...
50 MHz frequency counter voltage meter & SWR/PWR indicator
This device is a successor to the PIC16C71 4-digit LED frequency counter and voltmeter. It omits some hard-to-find components from the previous version that have been out of production for some time. The earlier PIC16C71 has been replaced with a...
Digital Oil-Pressure Gauge
This gauge utilizes a sensor along with resistor R1 to generate a DC voltage that is proportional to oil pressure. Integrated circuits IC1 and IC2 form a two-digit digital voltmeter (DVM). Transistors Q1 and Q2 act as display selectors for...
Frequency Counter
Built around an Intersil 7216 frequency counter IC, this counter has a basic range of 10 MHz, a 100-MHz prescaler, and an extra frequency divider (IC3). This divider reduces the frequency by an additional factor, as indicated on S7 (refer...
Design on the basis of the mechanically controlled digital frequency meter of one piece
The primary function of the frequency counter is to measure the frequency and cycle of a signal. Its applications span a wide range, extending beyond simple instrument measurements to areas such as education, scientific research, high-precision instrument measurement, and industrial...
Multi function frequency meter 0-100MHz using ICM7226B
The multifunction frequency meter is an instrument that can measure various parameters on a single display using an 8-digit 7-segment LED. The controls measure...
The multifunction frequency meter is designed to provide accurate measurements of frequency, voltage, current, and other electrical...
Frequency meter with 10Hz to 2MHz
The 7208 seven-metric system counter is utilized as a frequency meter. It features a latch and multiplexing function and incorporates a direct drive circuit along with a display driver circuit. The 7207 IC divides the output frequency of a 6.5536...