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Logarithmic Detector, 1 to 23 GHz, 3.15 to 3.45 V, -40 to 85 °C, QFN-EP-16


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Technical Datasheet:
HMC948LP3E   Datasheet
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Product Overview

HMC948LP3E is a logarithmic detector convert RF signal at its input, to a proportional DC voltage at its output. The HMC948LP3E employs successive compression topology which delivers high dynamic range over a wide input frequency range. As the input power is increased, successive amplifiers move into saturation one by one creating an approximation of the logarithm function. The output of a series of square law detectors is summed, converted into the voltage domain and buffered to drive the LOG OUT output. Ideal as a log detector for high volume microwave radio and VSAT applications. Typical application includes point-to-point microwave radio, VSAT, wideband power monitoring, receiver signal strength indication (RSSI), test and measurement.
  • Excellent stability over temperature
  • Input frequency is 5GHz (typ, TA = +25°C, Vcc = +3.3V)
  • Typical ±3dB dynamic range is 54dB (typ, TA = +25°C, Vcc = +3.3V)
  • Log error over temperature is ±1dB (typ, -40 to +85°C, Vcc = +3.3V)
  • Output intercept is -107dBm (typ, TA = +25°C, Vcc = +3.3V)
  • Output slope is 16.7mV/dB (typ, TA = +25°C, Vcc = +3.3V)
  • Output voltage range from 0.9 to 1.8V (TA = +25°C, Vcc = +3.3V)
  • Output rise time/ fall time is 5 / 7ns (typ, f = 10GHz, TA = +25°C, Vcc = +3.3V)
  • Operating voltage range from 3.15 to 3.45V (TA = +25°C, Vcc = +3.3V)
  • 16 lead QFN-EP package, operating temperature range from -40 to 85°C

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Technical Documents (1)

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2 SG stock available for 1-2 business days delivery
6 UK stock available for 3-4 business days delivery

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