R1/R3 internals (1 Viewer)

GTO_04

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do most or some detectors put a "protector" cage around the lidar sensor part
At least some of the Beltronics and Escort RDs do.

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spongebobradarpants

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FWGuy

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Was going to say I'm pretty sure I've seen it on disassembled M3s and perhaps a few other M antenna boards.
I've seen it on every Escort detector I've ever owned. In looking at tear-down photos here, I think I've seen it used by other brands also.

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mainecrab

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Guess you need to keep RF interference or other out of that area.
 

Andy Red

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shouldn't the lidar sensor be a 904nm diode? I'm not seeing one even if completely took apart
 

BestRadarDetectors

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shouldn't the lidar sensor be a 904nm diode? I'm not seeing one even if completely took apart
Laser receiver is in the silver box with the hole in it.

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Andy Red

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managed to find it, it seems to be a 5mm one compared to 12mm on the V1
 

cihkal

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managed to find it, it seems to be a 5mm one compared to 12mm on the V1
The V1 uses a compound parabolic condenser for detecting laser. It makes it insanely good at sniffing it out in about 6ms. The catch is it's laser we're talking about and the V1 doesn't jam.

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LazerBoi64

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Guess you need to keep RF interference or other out of that area.
Yep. The output of photodiodes can be either optically-induced or coupled RF/EMI and the detection circuitry couldn't care which it is, so you'd want to add as much EMI shielding as you can.
 

InsipidMonkey

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Thanks to Jon @ noLimits,we finally know what's under the horn! It's a 400MHz Analog Devices Blackfin DSP
His point about DSP being important is absolutely correct, but I have no idea where the "secret sauce magic FPGA," LNA, or "the most complex algorithms I have seen" commentary came from.

See for yourself; Analog Devices 400mhz Blackfin DSP in both Stinger and the R3. Nothing is unique about the DSP hardware design. The R3 is simply pairing a good horn with a decent processor and a good dsp (faster than most competition).

The first picture is the Uniden DSP board (located under the horn); second pic is the Stinger VIP.


View attachment 85932 View attachment 85933
Uniden DSP Board:
85932.jpg
 

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