The HFA3134 and HFA3135 are Ultra High Frequency Transistor pairs that are fabricated with Intersil Corporation’s complementary bipolar UHF-1X process. The NPN transistors exhibit an fT of 8.5GHz, while the PNP transistors have an fT of 7GHz. Both types exhibit low noise, making them ideal for high frequency amplifier and mixer applications.
   
Features
• NPN Transistor (fT). . . . . . . . . . . . . . . . . . . . . . . . .8.5GHz
• NPN Current Gain (hFE). . . . . . . . . . . . . . . . . . . . . . . .100
• NPN Noise Figure (50Ω) at 1.0GHz . . . . . . . . . . . . . 2.6dB
• PNP Transistor (fT) . . . . . . . . . . . . . . . . . . . . . . . . . . 7GHz
• PNP Current Gain (hFE). . . . . . . . . . . . . . . . . . . . . . . . .57
• PNP Noise Figure (50Ω) at 900MHz . . . . . . . . . . . . 4.6dB
• Small Package (EIAJ-SC74 Compliant) . . . . . . . SOT23-6
   
Applications
• VHF/UHF Amplifiers
• VHF/UHF Mixers
• IF Converters
• Synchronous Detectors