Jrc 24ghz Dielectric Oscillator Doppler Sensor Module Njr4251j

US $510

  • Lyuberc, default, Russian Federation
  • Jun 13th
JRC 24GHz Dielectric oscillator Doppler sensor module. JRC, made of of a K band  Doppler sensor module. Form NJR4251J B1219 A frequency 24.125 GHz ± 5 MHz? The output electric power 7mW (typ) A power supply, DC5V 50mA Unused items. The 2nd picture has been taken apart and the inner substrate has been just seen. (The one taken apart is the same model, but a frequency is different from a lot, so it may not be same at all). Oscillation is using dielectric resonator, so even a small size seems able to expect the stability of some level. A lid stops at 6 horns of special screw (TP7). The detailed specification is a page of a manufacturer. http://mc.njr.co.jp/jpn/products/sensor/k-doppler.html Please see O. When a label is peeled off like the 3rd picture, there is a frequency trimming screw, so  when a frequency is a little when turning 6 corners of this screw by a wrench, it's possible to adjust it. It's dielectric resonator, so  when a screw can become high-frequency at a forced way and loosen, they become short.  How about for from bureaus of for experiments of 24GHz or a higher harmonic blender of 47GHz receiver?

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