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🔹 GR3017G201 is not a computer display monitor — it’s an electronic module used inside marine radar antenna systems. Specifically, in SAM Electronics radar gear (often X-Band radar), this module functions as part of the radar’s Performance Monitor subsystem.
In a marine radar (e.g., Nacos Platinum or similar integrated systems):
The Performance Monitor typically consists of two parts:
A test oscillator (X-Band: e.g., GR3050G202)
An amplifier module, which for X-Band is GR3017G201.
The performance monitor in SAM Electronics X‑Band radar does the following:
Measures transmitted signal strength by sampling side‑lobe energy from the rotating radar scanner antenna via a dedicated pickup, processed through the amplifier.
Assesses receiver sensitivity by activating the test oscillator; the emitted calibration signal is received by the radar receiver chain and processed as a simulated echo.
The amplifier (GR3017G201) outputs a signal proportional to RF strength used by the system’s electronics for diagnostics displayed in the radar’s Performance tab.
Installed inside the antenna gearbox, beneath a sealed cover/window used for sampling the RF signal.
Associated with X‑Band gearbox assembly GR3017 — listed in the spare‑parts table as “X‑Band Performance Monitor Amplifier,” part number 2869021 or GR3017G201.
Works in conjunction with the performance monitor test oscillator module (often GR3050G202 for X‑Band).
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