1.98-2.02 GHz High Linearity 4 W Power Amplifier

Please note: SKY65129-21 is being discontinued and is not recommended for new designs.

Please note: this product is being discontinued and is not recommended for new designs.

Skyworks SKY65129-21 is a Microwave Monolithic Integrated Circuit (MMIC) Power Amplifier (PA) with superior output power, linearity, and efficiency. The device is optimized to operate in the 2 GHz frequency band, which makes it ideal for PCS satellite, PCS cellular, and UMTS applications.

The high linearity (high OP1dB and excellent ACLR) and high efficiency of the SKY65129-21 make it ideal for use at the final stage (or close to the final stage) in a transmit chain.

The device is fabricated using Skyworks high reliability Heterojunction Bipolar Transistor (HBT) technology. The device is internally matched and mounted in a 20-pin, 6 x 6 mm Multi-Chip Module (MCM) Surface-Mounted Technology (SMT) package, which allows for a highly manufacturable low cost solution.


Frequency Range (GHz)1.98-2.02
Test Frequency (GHz)2.00
Gain Typ. (dB)29.5
OIP3 (dBm)
P1 dB (dBm)34.5
Power Added Efficiency (%)
Linear Output Power (dBm) +33
Supply Voltage (V)5
Quiescent Current Typ. (mA)425
PackageMCM, 20-pin
Package (mm)6 x 6 x 1.35


  • Output power: +36 dBm
  • High gain: 30 dB
  • Wide dynamic range RF detector
  • Internal 50 Ω RF match and bias circuits
  • Internal on/off control circuit
  • Single DC supply: +5 V
  • Small footprint, MCM (20-pin, 6 x 6 mm) SMT package (MSL3, 250 °C per JEDEC J-STD-020)

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