EDN

Frequency Counter for RF/Microwave

The project aims to build a simple and easily-reproducible RF/Microwave frequency counter that is based around a PIC16F876A microcontroller. This particular frequency counter has three inputs ...
EDN

Frequency Counter of AVR with LCD Display

The frequency counter project operates with 40MHz while integrating an 8-digit LCD display. The device can be an optional offsets for use in a receiver or transceiver while having 10Hz resolution. It ...
Electronics Weekly

6GHz ±1ppm frequency counter has 10 digits

B&K Precision has introduced a pair of 10 digit frequency counters reaching 3 or 6GHz, with ±1ppm stability across their +5 to +40°C operating range. “This series utilizes a reciprocal counting ...
Hackaday

Do Not Attempt Disassembly: Analog Wizardry In A 1960s Counter

[CuriousMarc] is back with more vintage HP hardware repair. This time it’s the HP 5245L, a digital nixie-display frequency counter from 1963. This unit is old enough to be entirely made of discrete ...
Electronic Design

Saelig Offers Bench-top Supplies and Frequency Counters

May 13, 2013. Saelig is now offering the QPX1200SP 1.2-kW DC bench-top power supply featuring PowerFlex regulation, designed to meet the need for flexibility in the choice of voltage and current. The ...