| Price | $6 |
|---|---|
| Category | Sensors |
| Availability | In stock |
| Delivery | Shipped across Lebanon, or collect from the lab |
A bare X-band Doppler module: it transmits a continuous 10.525 GHz signal and mixes the reflection back down, so anything moving in front of it appears as a low-frequency beat on the IF pin. Unlike a PIR it needs no body heat and it will see through plastic or thin drywall, and the beat frequency is proportional to speed - roughly 72 Hz per metre per second. The catch is that the raw IF output is only about 200 microvolts, so it needs an op-amp gain stage before a microcontroller can read it.
Key features
- 10.525 GHz X-band Doppler radar
- IF output about 200 uVp-p - needs an amplifier
- Beat frequency about 72 Hz per m/s of target speed
- Sees through plastic and thin walls
- 5V supply, 30 - 40 mA
- Range about 4 - 15 m once amplified
Details
Specifications
| Model | HB100 |
|---|---|
| Type | X-band microwave Doppler transceiver |
| Operating frequency | 10.525 GHz |
| Radiated power | 12 - 20 dBm EIRP |
| Supply voltage | 5V DC |
| Supply current | 30 - 40 mA |
| IF output | about 200 uVp-p, unamplified |
| Doppler shift | about 72 Hz at 1 m/s target speed |
| Detection range | about 4 - 15 m, depends on the amplifier |
| Operating temperature | -15 to +55 C |
| Form | Bare module with solder pads - no header fitted |
