參數(shù)資料
型號(hào): HMC909LP4E
廠商: HITTITE MICROWAVE CORP
元件分類: 檢測(cè)器
英文描述: 0 MHz - 5800 MHz RF/MICROWAVE LINEAR DETECTOR, 10 dBm INPUT POWER-MAX
封裝: 4 X 4 MM, ROHS COMPLIANT, PLASTIC, SMT, 24 PIN
文件頁(yè)數(shù): 14/21頁(yè)
文件大?。?/td> 3028K
代理商: HMC909LP4E
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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HMC909LP4E
v02.0511
RMS POWER DETECTOR
SINGLE-ENDED, DC - 5.8 GHz
Layout Considerations
Mount RF input coupling capacitors close to the IN+ and IN- pins.
Solder the heat slug on the package underside to a grounded island which can draw heat away from the die with
low thermal impedance. the grounded island should be at rF ground potential.
Connect power detector ground to the RF ground plane, and mount the supply decoupling capacitors close
to the supply pins.
Definitions:
Log-slope: slope of PIN –> RMSOUT transfer characteristic. In units of mV/dB
Log-intercept: x-axis intercept of PIN –> RMSOUT transfer characteristic. In units of dBm.
RMS Output Error: The difference between the measured PIN and actual PIN using a line of best fit.
[measured_PIN] = [measured_ RMSOUT] / [best-fit-slope] + [best-fit-intercept], dBm
Input Dynamic Range: the range of average input power for which there is a corresponding RMS output
voltage with “RMS Output Error” falling within a specific error tolerance.
Crest Factor: Peak power to average power ratio for time-varying signals.
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