參數(shù)資料
型號(hào)： HMC714LP5E
廠商： HITTITE MICROWAVE CORP
元件分類： 檢測(cè)器
英文描述： 100 MHz - 5800 MHz RF/MICROWAVE LINEAR DETECTOR, 15 dBm INPUT POWER-MAX
封裝： 5 X 5 MM, ROHS COMPLIANT, PLASTIC, SMT, 32 PIN
文件頁(yè)數(shù)： 21/40頁(yè)
文件大小： 1985K
代理商： HMC714LP5E
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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The HMC714LP5E integrates two HMC614LP4E RMS detection channels with shared bias and control circuitry. The
linear-in-dB channel outputs at the RMSA and RMSB pins provide RMS detection performance in terms of dynamic
range, temperature stability, and logarithmic linearity similar to Hittite’s HMC614LP4E with improved frequency
detection range extending up to 5.8 GHz. Proprietary design techniques enable extremely good matching between
channels (within less than 0.5 dB with single-ended cnfiguration) over a wide range of input frequencies with low
temperature drift.
HMC714LP5E also provides “channel difference” outputs via pins OUTP and OUTN that can be either used differentially
or single-ended. The VLVL input is used to set the common mode reference level for those outputs. On the Hittite
evaluation board, the VLVL pin is shorted to VREF2 output to provide a nominal bias voltage of 2.5V; but any external
bias voltage can be used to set VLVL.
A ratio of two signal powers is a simple difference in the log domain. The OUTP and OUTN outputs can provide a
direct read of input signal power ratio between the signals presented to the two power detection channels.
When OUTP is connected directly to FBKA
OUTP = RMSA - RMSB + VLVL
And when OUTN is connected directly to FBKB
OUTN = RMSB - RMSA+VLVL
With the channels of HMC714LP5E having very low mismatch, channel outputs RMSA and RMSB track very closely
over temperature. The difference operation also allows the OUTP and OUTN to reject common-mode changes in
channels A and B.
HMC714LP5E also features iPAR output on each power detector. The RMSA and RMSB outputs provide a read of
average input signal (i.e True RMS power). The INSA and INSB pins are iPAR outputs providing a simultaneous read
of input signal Peak Power, Peak-to-Average Ratio, and RF waveshape. Refer to the section under “iPAR – Envelope
Power Normalized To Average Power” for more details on iPAR measurements.
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OUTP
OUTN
RMSA
RMSB
CHANNEL A INPUT POWER (dBm)
OUTPUT
(V)
Channel Difference Outputs @ 1900 MHz,
Channel A Power Swept,
Channel B @ -25 dBm
Dual RMS Detection Channels
HMC714LP5 / 714LP5E
v07.1109
DUAL RMS POWER DETECTOR
0.1 - 5.8 GHz
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