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RF Attenuators

pSemi  /  RF Attenuators

RF Attenuators

Key Features

  • High linearity, fast switching time with wide bandwidth
  • Best-in-class attenuation error with fine attenuation steps
  • Monolithic CMOS solution that integrates RF, analog and digital
  • Excellent ESD protection and reliability

RF Product Catalog

View the pSemi 2021 RF product
catalog to see our complete RF
product portfolio. 

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Glitch-less RF Digital Step Attenuators

Product Store Datasheet Description Freq. Typ. IL (dB) IIP3 (dBm) Attn Range (dB) Attn Step (dB) Interface Bits Package Package (mm)
Min Max Min Max
PE43711 7-bit; 128 states 9 kHz 6 GHz 1.30 2.40 57 31.75 0.25/0.5/1.0 Serial 7 24L QFN 4x4
PE43712 7-bit; 128 states 9 kHz 6 GHz 1.30 2.45 57 31.75 0.25/0.5/1.0 Parallel (Latched, Direct) 7 32L QFN 5x5
PE43713 7-bit; 128 states 9 kHz 6 GHz 1.30 2.45 57 31.75 0.25/0.5/1.0 Parallel (Latched, Direct) 7 32L QFN 5x5

75Ω Wired Broadband RF Digital Step Attenuators

Product Store Datasheet Description Freq. Typ. IL (dB) IIP3 (dBm) Attn Range (dB) Attn Step (dB) Interface Bits Package Package (mm)
Min Max Min Max
PE4314 6-bit; 64 states 1 MHz 2500 MHz 1.00 1.50 58 31.50 0.5 Parallel 6 20L QFN 4x4
PE43665 6-bit; 64 states 1 MHz 2000 MHz 1.40 1.80 52 31.50 0.5 Parallel (Latched, Direct) 6 20L QFN 4x4

General-purpose RF Digital Step Attenuators

Product Store Datasheet Description Freq. Typ. IL (dB) IIP3 (dBm) Attn Range (dB) Attn Step (dB) Interface Bits Package Package (mm)
Min Max Min Max
PE4312 6-bit; 64 states 1 MHz 4000 MHz 1.30 2.10 59 31.50 0.5 Parallel, Serial 6 20L QFN 4x4
PE43205 2-bit; 4 states 35 MHz 6 GHz 0.50 1.15 61 18.00 6.0 Parallel 2 12L QFN 3x3
PE43508 6-bit; 64 states 9 kHz 55 GHz 2.20 5.90 50 31.50 0.5/1.0 Parallel (Latched, Direct), Serial Addressable 6 Flip Chip ₋
PE43610 6-bit; 64 states 9 kHz 13 GHz 1.60 2.50 50 31.50 0.5/1.0 Parallel (Latched, Direct), Serial Addressable 6 24L LGA 4x4
PE43614 6-bit; 64 states 9 kHz 45 GHz 2.50 5.40 50 31.50 0.5/1.0 Parallel (Latched, Direct), Serial Addressable 6 24L LGA 4x4
PE43620 2-bit; 4 states 50 MHz 3000 MHz 0.60 0.60 61 18.00 6/12/18 Parallel 2 12L QFN 3x3
PE43650 5-bit; 32 states 9 kHz 6 GHz 2.40 2.40 58 15.50 0.5 Parallel (Latched, Direct), Serial 5 24L QFN 4x4
PE43670 7-bit; 128 states 9 kHz 4000 MHz 1.90 1.90 59 31.75 0.25 Parallel (Latched, Direct), Serial Addressable 7 32L QFN 5x5
PE43704 7-bit; 128 states 9 kHz 8 GHz 1.30 2.50 61 31.75 0.25/0.5/1.0 Parallel (Latched, Direct), Serial Addressable 7 32L QFN 5x5
PE43705 7-bit; 128 states 50 MHz 8 GHz 1.30 2.40 58 31.75 0.25/0.5/1.0 Parallel (Latched, Direct), Serial Addressable 7 32L QFN 5x5