Development of Control Board Scheme for Speedometer

Development of Control Board Scheme for Speedometer

Description of circuit board copying:

Vehicle mounted mobile radar, K-band radar speedometer, bidirectional operation (forward and backward)

Power supply voltage:+10.5 to 16.5 branch voltage, 1.5 amperes

Temperature and humidity requirements: -20 to 60 degrees Celsius; Relative humidity at:+95% (non condensing state)

Reverse pole protection: inline diode protection

Electronic components: 100% solid-state integrated circuits, transistors, and other accessories

Internal * * * degree: ± 0.1km/h

External * * * degree: ± 0.1km/h

External * * * degree verification: frequency regulator (K-frequency)

Internal detection: 64km/h analog Doppler signal detection internal integrated circuit, and display of LED.

Display: Three digit integer, LED, display: Power on status: RF interference and low voltage.

Lock tracking time: synchronous tracking; No error input.

Microwave signal: capacitive diode

Antenna type: conical antenna

Lens type: * * * Ground reflection

Polarity: Positive pole cycling

Light speed width: 12 degrees standard 3x telephoto

Receiving type: downward Schottky scattering emission, blocking hybrid light-emitting diode

Radar frequency: K-band

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