AS186-302LF Buy Now
GaAs IC High Isolation Positive Control SPDT Non-Reflective Switch DC–4.0 GHz

The AS186-302 is a GaAs FET IC SPDT non-reflective switch packaged in a MSOP-8 exposed pad plastic package for low cost, high isolation commercial applications. Ideal building block for base station applications where synthesizer isolation is critical.Typical applications include GSM, PCS, WCDMA, 2.4 GHz ISM and 3.5 GHz wireless local loop.


  • Positive Voltage Control (0/+3 to 0/+5 V)
  • High Isolation (55 dB @ 0.9 GHz and 1.9 GHz)
  • Miniature MSOP-8 Exposed Pad Package
  • Three Switch Solution for Base Station Synthesizer Switch
  • Non-Reflective
Data Sheets AS186-302, AS186-302LF: GaAs IC High-Isolation Positive Control SPDT Nonreflective Switch LF-4 GHz AS186_302LF_200104F.pdf (608 KB)
Application Notes Positive Voltage Operation of GaAs Control ICs 200363A.pdf (106 KB)
Application Notes GaAs FETs as Control Devices APN2015.pdf (423 KB)
Application Notes High Isolation Synthesizer Selection Circuit for GSM, DCS1800, PCS1900 APN2016.pdf (422 KB)
Application Notes APN2018:Silicon Drivers for Commercial IC Products APN2018.pdf (414 KB)
Application Notes APN2019:Switch Power Characteristics APN2019.pdf (412 KB)
Application Notes Suggested PCB Land Pattern Designs for Leaded and Leadless Packages and Detailed Surface Mount Guidelines for Leadless Packages PCB_Layout_Patterns_Guidelines_200123M.pdf (1429 KB)
Designer Info IC Package List ICPkgList_12-02.pdf (49 KB)
Designer Info Power Conversion dBm to Watts Pwrconversion.pdf (401 KB)
Designer Info VSWR, Return Loss and Transmission Loss vs. Transmitted Power VSWRreturn.pdf (401 KB)
ProductName : AS186-302LF
Description (Absorptive/ Reflective) : SPDT (A)
Frequency (GHz) Min. : LF
Frequency (GHz) Max. : 4
Typ. IL (dB) : 0.8-1.0
Typ. Isol. (dB) : 55-40
Typ. IIP3 (dBm) : 27
Typ. IP1 dB (dBm) : 17
Control Logic :
Package : MSOP 8L
Package (mm) : 4.9 x 3 x 0.96
Product Information:
Description: Broad Market
Description: High Isolation
Frequency Max.: ≥2.9 GHz and < 5.9GHz
Function: SPDT / SP2T
Package Type: Leaded
Power Handling: ≥20 dBm and <30 dBm
Status: In Production
Status: Not Recommended for New Designs
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