Datasheet Analog Devices HMC1120

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Hittite Microwave Corporation
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v00.0814 POWER DETECTORS -SMT RMS POWER DETECTOR &
ENVELOPE TRACKER, DC -3.9 GHz
Typical Applications Features The HMC1120LP4E is ideal for: Broadband Single-Ended RF Input • Log –> Root-Mean-Square (RMS) Conversion RMS Detector with ±1 dB Detection
Accuracy up to 3.9 GHz • Tx/Rx Signal Strength Indication (TSSI/RSSI)
• RF Power Amplifier Efficiency Control Input Dynamic Range: -60 dBm to +8 dBm • Receiver Automatic Gain Control ±1 dB Envelope Detection Accuracy over
30 dB Input Range • Transmitter Power Control Envelope Detection Bandwidth > 150MHz • Envelope Tracking Digitally Programmable Integration Bandwidth • PA Linearization Power-Down Mode
24 Lead 4x4mm SMT Package: 16mm²
Envelope Tracking Power-Down Mode Functional Diagram General Description
The HMC1120LP4E is an RMS power detector with
an integrated high bandwidth envelope detector. The
RMS output is a temperature compensated, monotonic, linear-in-dB representation of real RF signal power,
measured over an input sensing range of 70 dB. The
envelope detector provides an accurate voltage output
which is linearly proportional to the amplitude envelope of the RF input signal for modulation bandwidths
up to 150 MHz. The high bandwidth envelope detection of the HMC1120LP4E makes it ideal for detecting
broadband and high crest factor RF signals commonly
used in GSM, WCDMA, and LTE systems. Additionally, the instantaneous envelope output can be used to
create fast, excessive RF power protection, PA linearization, and efficiency enhancing envelope-tracking
PA implementations.
The HMC1120LP4E’s RMS detector integration bandwidth is digitally programmable via input pins SCI1-4 …

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v00.0814 POWER DETECTORS -SMT RMS POWER DETECTOR &
ENVELOPE TRACKER, DC -3.9 GHz
Typical Applications Features The HMC1120LP4E is ideal for: Broadband Single-Ended RF Input • Log –> Root-Mean-Square (RMS) Conversion RMS Detector with ±1 dB Detection
Accuracy up to 3.9 GHz • Tx/Rx Signal Strength Indication (TSSI/RSSI)
• RF Power Amplifier Efficiency Control Input Dynamic Range: -60 dBm to +8 dBm • Receiver Automatic Gain Control ±1 dB Envelope Detection Accuracy over
30 dB Input Range • Transmitter Power Control Envelope Detection Bandwidth > 150MHz • Envelope Tracking Digitally Programmable Integration Bandwidth • PA Linearization Power-Down Mode
24 Lead 4x4mm SMT Package: 16mm²
Envelope Tracking Power-Down Mode Functional Diagram General Description
The HMC1120LP4E is an RMS power detector with
an integrated high bandwidth envelope detector. The
RMS output is a temperature compensated, monotonic, linear-in-dB representation of real RF signal power,
measured over an input sensing range of 70 dB. The
envelope detector provides an accurate voltage output
which is linearly proportional to the amplitude envelope of the RF input signal for modulation bandwidths …