HMC680LP4(E)是一個數字控制可變增益放大器，工作頻率范圍從30到400MHz，增益可以1dB步階在-4dB到19dB之間進行編程。HMC680LP4(E)在最大增益狀態下的噪聲指數為5分貝，在任何狀態下輸出IP3均高達+40dBm。這種高線性DVGA還提供一個差分射頻輸出，它可用于直接連接到Tx和Rx應用中的SAW濾波器，以及Rx接收鏈上的DAC。HMC680LP4(E)采用符合RoHS規范的無鉛4×4毫米QFN封裝，與CMOS/TTL兼容。
The HMC680LP4(E) is a digitally controlLED variable gain amplifier whICh operates from 30 to 400 MHz, and can be programmed to provide -4 dB to +19 dB of gain, in 1 dB steps. The HMC680LP4(E) delivers noise figure of 5 dB in its maximum gain state, with output IP3 of up to +40 dBm in any state. This high linearity DVGA also provides a differential RF output which can be used to interface directly with SAW filters in Tx and Rx applications, and with digital to analog converters in Rx chains. The HMC680LP4(E) is housed in a RoHS compliant 4x4 mm QFN leadless package, and is CMOS/ TTL compatible.
? TTL/CMOS compatible parallel or latched parallel control interface? High Output IP3: +40 dBm (At all gain settings)? Low Noise Figure: 5 dB? Wide Gain Control Range: 23 dB? Excellent State & Step Accuracy (±0.05 dB)? 24 Lead 4x4mm SMT Package: 16mm2
? Cellular/3G Infrastructure? WiBro / WiMAX / 4G? Microwave Radio & VSAT? Test Equipment and Sensors? IF & RF Applications
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