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參數(shù)資料
| 型號： | HMC909LP4E |
| 廠商： | HITTITE MICROWAVE CORP |
| 元件分類： | 檢測器 |
| 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 |
| 文件頁數(shù)： | 6/21頁 |
| 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
Monolithic true-rMs detectors are in-effect analog calculators, calculating the rMs value of the input signal, unlike
other types of power detectors which are designed to respond to the rF signal envelope. At the core of an rMs
detector is a full-wave rectifier, log/antilog circuit, and an integrator. The RMS output signal is directly proportional
to the logarithm of the time-average of V
IN
2
. the bias block also contains temperature compensation circuits which
stabilize output accuracy over the entire operating temperature range. the Dc offset cancellation circuit actively
cancels internal offsets so that even very small input signals can be measured accurately.
Configuration For The Typical Application
The RF input can be connected in wideband single-ended configuration: see “RF Input Interface” section for details
on input configuration.
The RMS output signal is typically connected to VSET, through a resistive network providing a Pin -> RMSOUT
transfer characteristic slope of 36.9mV/dBm (at 1900 MHz), however the RMS output can be re-scaled to “magnify”
a specific portion of the input sensing range, and to fully utilize the dynamic range of the RMS output. Refer to the
section under the “l(fā)og-slope and intercept” heading for details.
Due to part-to-part variations in log-slope and log-intercept, a system-level calibration is recommended to satisfy
absolute accuracy requirements: refer to the “System Calibration” section for more details.
0
0.5
1
1.5
2
2.5
3
-65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10
IDEAL
MEASURED
INPUT POWER (dBm)
RMSOUT
(V)
RMSOUT vs. PIN
Application Information
Principle of Operation
PIN = rMsoUt / [log-slope] + [log-intercept], dBm
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| HMC909LP4ETR | 功能描述:RF Detector IC General Purpose 0Hz ~ 5.8GHz -51dBm ~ -11dBm ±1dB 24-VFQFN Exposed Pad 制造商:analog devices inc. 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 頻率:0Hz ~ 5.8GHz RF 類型:通用 輸入范圍:-51dBm ~ -11dBm 精度:±1dB 電壓 - 電源:4.5 V ~ 5.5 V 電流 - 電源:41.6mA 封裝/外殼:24-VFQFN 裸露焊盤 標準包裝:1 |
| HMC910LC4B | 制造商:Hittite Microwave Corp 功能描述:IC DELAY LINE 24SMT |
| HMC911LC4B | 制造商:Hittite Microwave Corp 功能描述:IC TIME DELAY BROADBAND 24SMD |
| HMC913 | 制造商:HITTITE 制造商全稱:Hittite Microwave Corporation 功能描述:SUCCESSIVE DETECTION LOG VIDEO AMPLIFIER (SDLVA), 0.6 - 20 GHz |
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