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基于TQM879028下的0.7−4.0 GHz ½ W Digital Variable Gain Amplifier

消耗积分:2 | 格式:pdf | 大小:1.25 MB | 2018-07-25

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  Applications

  3G / 4G Wireless Infrastructure 

  Repeaters 

  LTE / WCDMA / CDMA

  Product Features

  0.7−4.0 GHz Frequency Range

  32 dB Maximum Gain at 2.14 GHz

  31.5 dB Gain Range in 0.5 dB Steps 

  +44 dBm Output IP3 

  +27.5 dBm Output P1dB 

  3-wire SPI Control Programming

  General Description

  The TQM879028 is a digital variable gain amplifier (DVGA) featuring high linearity over the entire gain control range. This amplifier module integrates a gain block, a digital-step attenuator (DSA), and a high linearity ½ Watt amplifier into a compact 4 x 4 mm module. The internal 6-bit DSA provides a 31.5 dB gain control range in 0.5 dB steps, and is controlled with a serial periphery interface (SPITM)。 The individual stages are accessible to external ports to allow for optimization of the last stage amplifier for individual bands and also allowing other functional blocks to be added in-between the stages. The TQM879028 features variable gain from 0.5 dB to 32 dB at 2.14 GHz, +44 dBm output IP3, and +27.5 dBm P1dB while only consuming 230 mA current from a 5 V supply. The module is available in a compact 24-pin 4 x 4 mm leadless SMT package.

基于TQM879028下的0.7−4.0 GHz ½ W Digital Variable Gain Amplifier

声明:本文内容及配图由入驻作者撰写或者入驻合作网站授权转载。文章观点仅代表作者本人,不代表德赢Vwin官网 网立场。文章及其配图仅供工程师学习之用,如有内容侵权或者其他违规问题,请联系本站处理。 举报投诉

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