The ISL55014 is a high performance gain block featuring a Darlington configuration using high fT transistors and excellent thermal performance. They are an ideal choice for DVB-S LNB cable receiver applications. Other members of the family includes: • ISL55012 and ISL55015 match a 75Ω source to a 50Ω load. • ISL55013 and ISL55014 match a 50Ω source to a 50Ω load.


  • Input impedance of 50Ω
  • Output impedance of 50Ω
  • Gain of 17.2dB at1GHz
  • Noise figure of 4.3dB
  • OIP3 of 30dBm
  • Low input and output return losses
  • Pb-free (RoHS compliant)




  • LNB and LNB-T (HDTV) amplifiers
  • IF gain blocks for satellite and terrestrial STBs
  • PA driver amplifier
  • Wireless data, satellite
  • Bluetooth/WiFi
  • Satellite locator and signal strength meters


Type Title Date
Datasheet PDF 540 KB
Training PDF 258 KB
Training PDF 325 KB
Product Advisory PDF 447 KB
Product Change Notice PDF 141 KB
Product Change Notice PDF 529 KB
Product Change Notice PDF 135 KB
Application Note PDF 357 KB
8 items

Design & Development