Difference between revisions of "Frequency Counter 6 Digits"
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== Features == | == Features == | ||
+ | * [https://www.aliexpress.com/item/32409549421.html?spm=a2g0s.9042311.0.0.57454c4dTMyjam AliExpress listing] | ||
* Frequency reference with temperature compensation type voltage controlled crystal oscillator (2.5 ppm VC-TCXO). | * Frequency reference with temperature compensation type voltage controlled crystal oscillator (2.5 ppm VC-TCXO). | ||
* Adopts gate control mode and the accurate time algorithm is unique. | * Adopts gate control mode and the accurate time algorithm is unique. |
Revision as of 17:15, 14 November 2020
Contents
Features
- AliExpress listing
- Frequency reference with temperature compensation type voltage controlled crystal oscillator (2.5 ppm VC-TCXO).
- Adopts gate control mode and the accurate time algorithm is unique.
- Gate (refresh) time is 0.1 seconds, real-time display of frequency.
- The precision of frequency measurement 10Hz/100Hz (Rotated the right one) optional.
- Dual frequency design, intermediate frequency value and plus / minus mode can be preset, and do not influence each other.
- Display driver using the LED chip digital tube display, high brightness, less external interference.
- Adopts six 0.56 inch digital tube display, automatic blanking invalid zero, eight stage adjustable brightness.
- Simple circuit, reasonable structure, double button control, simple operation.
- All settings are automatically saved, boot directly call.
Specification
- Working voltage: DC 8V-15V (reverse polarity protection)
- Working current: 90mA(max)
- Input impedance: high resistance
- Measuring range: 0.1 MHz to 65 MHz
- Accuracy: 10 Hz
- Sensitivity: better than 60mVPP
- Display digits: Six common anode LED display , the highest display six digits
- Size: 9cm x 2.5cm x 2cm .
- RF IN ( input ): HX2.54-2P socket
- ICSP (programming interface): 2.54-6P Pin
- DC IN (Power Interface): HX2.54-2P socket
Connections
Videos