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NR421 - VHF amplifier / FM converter transistor

Features

  • ,.
  • 0.65pF, typical f~edback capacitance for excellent RF stability.
  • Guaranteed collector.
  • base time constant and RF output resistance.
  • 150mV typical VCE (sat) charac:teristics at Ic = 10 mA, and IB = 0.5 mA.
  • 2 dB typical noise figure at 200 MHz.
  • "Epoxy B" packaging concept for excelient reliability.

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Other Datasheets by National Semiconductor (Texas Instruments)

Part Number Description
NR431 HF amplifier / FM converter transistor
NR461 low-noise RF / IF transistor

Full PDF Text Transcription

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~ r-------~----------------------~--------------------------------~----------~ Z Q. ~National - aZ,... Semiconductor N az~: NR421(NPN) VHF amplifier/FM converter transistQr: features ,• 0.65pF, typical f~edback capacitance for excellent RF stability • Guaranteed collector·base time constant and RF output resistance • 150mV typical VCE (sat) charac:teristics at Ic = 10 mA, and IB = 0.
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