參數(shù)資料
型號(hào)： 935056440602
廠商： NXP SEMICONDUCTORS
元件分類： 放大器
英文描述： RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER
封裝： SOT109-1, MS-012AC, SO-16
文件頁(yè)數(shù)： 11/21頁(yè)
文件大?。?/td> 243K
代理商： 935056440602
Philips Semiconductors - PIP - SA5219; Wideband variable gain amplifier
Product Information
SA5219; Wideband
variable gain
amplifier
Information as of 2003-04-22
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topGeneral description
The SA5219 represents a breakthrough in monolithic amplifier design featuring several innovations. This
unique design has combined the advantages of a high speed bipolar process with the proven Gilbert
architecture.
The SA5219 is a linear broadband RF amplifier whose gain is controlled by a single DC voltage. The
amplifier runs off a single 5 volt supply and consumes only 40mA. The amplifier has high impedance (1k
)
differential inputs. The output is 50
differential. Therefore, the 5219 can simultaneously perform AGC,
impedance transformation, and the balun functions.
The dynamic range is excellent over a wide range of gain setting. Furthermore, the noise performance
degrades at a comparatively slow rate as the gain is reduced. This is an important feature when building linear
AGC systems.
topFeatures
q
700MHz bandwidth
q
High impedance differential input
q
50
differential output
q
Single 5V power supply
q
0 - 1V gain control pin
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>60dB gain control range at 200MHz
q
26dB maximum gain differential
q
Exceptional VCONTROL / VGAIN linearity
q
7dB noise figure minimum
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Full ESD protection
q
Easily cascadable
file:///G|/imaging/BITTING/CPL/20030424/04232003_9/PHGL/_HTML04232003/SA5219D.html (1 of 3) [May-08-2003 2:08:46 PM]
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