Difference between revisions of "Frequency Counter 6 Digits"
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== Features == | == Features == | ||
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* Simple circuit, reasonable structure, double button control, simple operation. | * Simple circuit, reasonable structure, double button control, simple operation. | ||
* All settings are automatically saved, boot directly call. | * All settings are automatically saved, boot directly call. | ||
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== Specification == | == Specification == | ||
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[[File:FreqCounter-6Digits-P1735-720px.jpg]] | [[File:FreqCounter-6Digits-P1735-720px.jpg]] | ||
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| + | == Build into case == | ||
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| + | [[FileFreqCtr_6Digits_P17318-720px.jpg]] | ||
== Videos == | == Videos == | ||
<video type="youtube">1_neC5Z_wEg</video> | <video type="youtube">1_neC5Z_wEg</video> | ||
Revision as of 15:43, 15 November 2020
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 .
- Connectors
- RF IN (input): HX2.54-2P socket
- ICSP (programming interface): 2.54-6P Pin
- DC IN (Power Interface): HX2.54-2P socket
Connections
Testing
Build into case
FileFreqCtr_6Digits_P17318-720px.jpg
Videos
