SKY12239-11

High IIP3 10 MHz to 1.5 GHz Voltage-Controlled Variable Attenuator

The SKY12239-11 is a voltage-controlled variable attenuator from Skyworks series of broadband, flat attenuation, high third order input intercept point (IIP3) components. The device has been designed to operate over the 10 MHz to 1.5 GHz frequency band, and is specifically optimized for use as a wide dynamic range, low distortion attenuator.

The SKY12239-11 provides monotonic attenuation performance over its entire control voltage range. This attenuator is comprised of four matched PIN diodes that are biased using an external control voltage signal. The attenuator requires no external components. It operates with a control voltage range of 1 to 5 V and a 2 mA typical control current at maximum attenuation.

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Specifications

Frequency (GHz) Min.0.01
Frequency (GHz) Max.1.5
Min. VB IR = 10 µA (V)
DescriptionHIP3™ Variable Attenuator
CT VR = 30 V (pF)
Insertion Loss at Min Control (dB) Max.3 (at 5V)
Attenuation Range at Max Control
(dB) Typ.33 (at 1V)
Input IP3 (dBm) Min.50
Control Input Range1-5 V
VF IF = 10 mA (V)
RS IF = 1 mA F = 100 MHz (Ω)
RS IF = 10 mA F = 100 MHz (Ω)
RS IF = 100 mA F = 100 MHz (Ω)
Typical Carrier Lifetime IF = 10 mA (ns)
PackageMCM, 8L
Package (mm)3.8 x 3.8 x 1

Features

  • 10 MHz to 1.5 GHz broadband operating range
  • Low insertion loss: 2.5 dB @ 700 MHz
  • Maximum attenuation level: 40 dB @ 700 MHz
  • Control voltage range: 1 to 5 V
  • High IIP3: +50 dBm
  • Low current consumption: < 2 mA @ maximum attenuation
  • Small MCM (8-pin, 3.8 x 3.8 x 1 mm) package (MSL3, 260 °C per JEDEC J-STD-020

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