20 MHz-6.0 GHz GaAs SPDT Switch

The SKY13351-378LF is a pHEMT GaAs FET I/C switch. The switch may be used in transmit/receive applications by connecting the RF common port (INPUT, pin 5) to either the OUTPUT1 or OUTPUT2 port (pin 1 or 3, respectively) using a low loss path (i.e., a positive voltage applied to either VCTL1 or VCTL2 pins). The switch is “reflective short” on the isolated port. The switch is manufactured in a compact, 1 x 1 mm, 6-pin exposed pad plastic Micro Leadframe Package Dual (MLPD) package.

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Description (Absorptive/ Reflective)SPDT (R)
Frequency (GHz) Min.0.02
Frequency (GHz) Max.6
Typ. IL (dB)0.35-0.50
Typ. Isol. (dB)24-26
Typ. IIP3 (dBm)50
Typ. IP1 dB (dBm)30
Control Logic
PackageQFN, 6L
Package (mm)1 x 1 x 0.45


  • Positive voltage control (0 and 1.8 V to 0 and 5.0 V)
  • Broadband frequency range: 20 MHz-6.0 GHz
  • Very low insertion loss, 0.35 dB typical @ 3 GHz
  • High isolation, 25 dB typical @ 3 GHz
  • Excellent linearity performance, P1dB = +33 dBm
  • Ultra-miniature, QFN (6-pin, 1 x 1 mm) package (MSL1, 260 °C per JEDEC J-STD-020)

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