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Hello, I have a few questions about the pulse-mode used for the BGT60LTR11AIP.
1. Is the pulse a chirp or does it have constant frequency? I see that I can set the center frequency but it isn't clear to me what the frequency range is once I set the center frequency.
2. Is there a way to extract samples per pulse? For example, using frame information?
3. Is there a way to get the transmitted signal? Is the received signal already filtered when it is returned, removing information about the transmit signal?
Thanks!
Karly
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Hello @karly_reimel ,
- BGT60LTR11AIP is doppler radar sensor, and a doppler radar is also called continuous wave (CW) radar, which emits a single frequency at a time. The operating frequency range is between 61 GHz to 61.5 GHz (refer to datasheet)
- You can extract raw data by using the recording function of Radar Fusion GUI and also the Radar SDK has the app for raw data extraction from BGT60LTR11AIP (located at: \radar_sdk\apps\c\raw_data)
- The block diagram below gives the detailed connections between the blocks, the chip features a low-noise quadrature receiver stage. The receiver uses a Low Noise Amplifier (LNA) in front of a quadrature homodyne down-conversion mixer, where is the signal is derived from the internal VCO signal, an RC Poly-Phase Filter (PPF) generates quadrature LO signals for the quadrature mixer. The Analog Base Band (ABB) unit consists of an integrated sample and hold circuit for low-power duty-cycled operation followed by an externally configurable high-pass filter, a Variable Gain Amplifier (VGA) stage and a lowpass filter, which provides the output of IF signals which contains information about the target motion.
For further information please refer to the application note: https://www.infineon.com/dgdl/Infineon-AN608_BGT60LTR11AIP_Shield-ApplicationNotes-v01_06-EN-Applica... ,
and datasheet: https://www.infineon.com/dgdl/Infineon-BGT60LTR11AIP-DataSheet-v02_06-EN.pdf?fileId=8ac78c8c7c9758f2...
Hope this answers your questions!
Best Regards,
Honey
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Hello @karly_reimel ,
- BGT60LTR11AIP is doppler radar sensor, and a doppler radar is also called continuous wave (CW) radar, which emits a single frequency at a time. The operating frequency range is between 61 GHz to 61.5 GHz (refer to datasheet)
- You can extract raw data by using the recording function of Radar Fusion GUI and also the Radar SDK has the app for raw data extraction from BGT60LTR11AIP (located at: \radar_sdk\apps\c\raw_data)
- The block diagram below gives the detailed connections between the blocks, the chip features a low-noise quadrature receiver stage. The receiver uses a Low Noise Amplifier (LNA) in front of a quadrature homodyne down-conversion mixer, where is the signal is derived from the internal VCO signal, an RC Poly-Phase Filter (PPF) generates quadrature LO signals for the quadrature mixer. The Analog Base Band (ABB) unit consists of an integrated sample and hold circuit for low-power duty-cycled operation followed by an externally configurable high-pass filter, a Variable Gain Amplifier (VGA) stage and a lowpass filter, which provides the output of IF signals which contains information about the target motion.
For further information please refer to the application note: https://www.infineon.com/dgdl/Infineon-AN608_BGT60LTR11AIP_Shield-ApplicationNotes-v01_06-EN-Applica... ,
and datasheet: https://www.infineon.com/dgdl/Infineon-BGT60LTR11AIP-DataSheet-v02_06-EN.pdf?fileId=8ac78c8c7c9758f2...
Hope this answers your questions!
Best Regards,
Honey