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      參數(shù)資料
      型號: TDA6402M
      廠商: NXP SEMICONDUCTORS
      元件分類: 調(diào)諧器
      英文描述: 2-BAND, VIDEO TUNER, PDSO28
      封裝: 5.30 MM, PLASTIC, SOT-341-1, SSOP-28
      文件頁數(shù): 17/40頁
      文件大?。?/td> 209K
      代理商: TDA6402M
      2000 Jan 24
      24
      Philips Semiconductors
      Product specication
      5 V mixers/oscillators and synthesizers for
      cable TV and VCR 2-band tuners
      TDA6402; TDA6402A;
      TDA6403; TDA6403A
      Fig.16 Gain (Gv) measurement in UHF band.
      Loss (in hybrid) = 1 dB.
      Vi =Vmeas loss (in hybrid) = 70 dBV.
      Vo =V’meas ×
      Gv = 20 log
      50
      22
      +
      50
      -------------------
      V
      o
      V
      i
      ------
      handbook, full pagewidth
      MGE701
      UHFIN2
      Vi
      50
      22
      50
      50
      V
      UHFIN1 IFOUT
      e
      Vmeas
      RMS
      voltmeter
      spectrum
      analyzer
      Vo
      D.U.T.
      V'meas
      signal
      source
      50
      A
      B
      C
      D
      HYBRID
      Fig.17 Noise figure (NF) measurement in bands UHF.
      Loss (in hybrid) = 1 dB.
      NF = NFmeas loss (in hybrid).
      handbook, full pagewidth
      MGE702
      22
      UHFIN
      IFOUT
      D.U.T.
      NOISE
      SOURCE
      NOISE
      FIGURE
      METER
      50
      A
      B
      C
      D
      HYBRID
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