This is 60 MHz frequency meter / counter for measuring frequency from 10 Hz to 60 MHz with 10 Hz resolution. It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc.
The meter provides very stable readings and has excellent input sensitivity thanks to onboard amplifier and TTL converter, so it can even measure weak signals from crystal oscillators. With the addition of prescaller it is possible to measure the frequency of 1GHz and above. The meter measuring range has been recently upgraded and it can now measure from 10Hz to 60MHz instead of 10Hz to 50MHz.
When counter is powered “60 MHz Counter” message should be displayed on LCD display. A second after meter should be ready to measure the input frequency with “0.000000 MHz” being displayed on the display. If no text is visible adjust the LCD contract by trimming 10K trimpot counter-clockwise.
Components
- 1x 16×2 LCD Display with Green Backlight
- 1x PIC16F628A Pre-programmed MCU
- 1x PCB
- 1x 18-DIP IC Socket
- 1x 4.000MHz Crystal
- 1x LM7805 5V Voltage Regulator
- 1x 1×16 Gold Plated Female Header (for PCB)
- 1x 1×16 Gold Plated Male Header (for LCD)
- 2x 1×2 Gold Plated Male Header (Power & Frequency Input)
- 1x BF199
- 1x 10uH Inductor (brown black black silver)
- 1x 10K Trimmer (103)
- 1x 10K 1% Metal Film Resistor
- 2x 470 1% Metal Film Resistor
- 1x 10 1% Metal Film Resistor
- 2x 100nF Ceramic Capacitor (104 / 100n)
- 2x 33pF Ceramic Capacitor (33)
Technical Specification
- Voltage Supply: 7V -15V
- Current Consumption: ~ 80mA with LCD backlight
- Frequency Input: 10Hz – 60MHz
- Measurement Resolution: 10Hz
EmoticonEmoticon