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Threshold Detectors

Spectrum Control produces temperature compensated detectors, which operate from 10 MHz to 2 GHz. Analog/Level Detectors convert a range of RF input powers (typically from -20 dBm to +10 dBm) to a corresponding DC output voltage level.

Threshold Detectors, using an external resistor or threshold voltage, output a TTL compatible signal when the RF level exceeds the preset threshold.

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Threshold Detectors

Part NumberFrequency Range (MHz)Input
Flatness - typ (dB)		Input Operation
(dBm)		VSWR In/Out MaxPower
HighLowTyp.Max(VDC)(mA)
TMJ9904 10 2000 ±1.0 -20 +10 2.2:1 +15 5
TMJ9903 10 3000 ±1.0 -10 +10 2.2:1 +15 5
TMJ9902 10 2000 ±0.7 -10 +10 2.0:1 +15 12

Analog Level Detectors

Part Number Frequency Range (MHz) Detected Voltage - typ (mV) Input Flatness - typ (dB) Tangential Sensitivity (dBm) VSWR In/Out Max Power
High Low Typ. Max (VDC) (mA)
TMJ9910 10 1000 120 ±1.0 -45 40 1.7:1 +15 5
TMJ9911 10 2000 120 ±1.0 -45 40 1.7:1 +15 12

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