'HFET' related articles 2

  1. 2009/04/07 HFET2MI - 0.5-μm HFET 2MI
  2. 2008/03/28 FP31QF - 2-Watt HFET
General Description
The 0.5-μm Heterostructure FET (HFET) process is a depletion-mode 2MI (2-metal-interconnect) process for applications through 20 GHz. The HFET I-V characteristics provide for high power, high linearity, extraordinary transconductance uniformity and high breakdown voltages. Passives include 2 thick-metal interconnect layers, precision TaN resistors, GaAs resistors, MIM capacitors and throughsubstrate vias. The capacitor-over-via process aides in size compaction and offers excellent grounds at higher frequencies.

Features
*0.5-μm amplifier transistors
*0.5-μm switch transistors
*0.5-μm diodes
*Device passivation
*High-Q passives
*MIM capacitors
*TaN resistors
*GaAs resistors
*2 metal layers
*Air bridges
*Substrate vias
*Operation up to Vd = 10 V

Applications
*Up to 20 GHz
*Communications
*Space
*Military
*Power amplifiers
*Driver amplifiers
*AGC amplifiers
*Limiting amplifiers
*Transimpedance amplifiers
*Differential amplifiers
TAG 2MI, HFET

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Product Description
 The FP31QF is a high performance 2-Watt HFET (Heterostructure FET) in a low-cost lead-free/RoHScompliant 28-pin 6x6 mm QFN (Quad Flatpack, No- Lead) surface-mount package. This device works optimally at a drain bias of +9 V and 450 mA to achieve +46 dBm output IP3 performance and an output power of +34 dBm at 1-dB compression.
The device conforms to WJ Communications’ long history of producing high reliability and quality
components.
The FP31QF has an associated MTTF of a minimum of 100 years at a mounting temperature of 85°C.
All devices are 100% RF & DC tested.
The product is targeted for use as driver amplifiers for wireless infrastructure where high performance and high efficiency are required.

Product Features
• 50 – 4000 MHz
• 18 dB Gain @ 900 MHz
• +34 dBm P1dB
• +46 dBm Output IP3
• High Drain Efficiency
• Lead free/RoHS-compliant 6mm 28-pin QFN package
• MTTF > 100 years

Applications
• Mobile Infrastructure
• CATV / DBS
• W-LAN / ISM
• RFID
• Defense / Homeland Security
• Fixed Wireless

FP31QF-F
FP31QF-PCB900
FP31QF-PCB1900
FP31QF-PCB2140
TAG HFET, WATT

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