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

Product LifecycleIn Production

Frequency (GHz) Min.0.01

Frequency (GHz) Max.1.5

Min. V_B I_R = 10 µA (V)

DescriptionHIP3™ Variable Attenuator

C_T V_R = 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

V_F I_F = 10 mA (V)

R_S I_F = 1 mA F = 100 MHz (Ω)

R_S I_F = 10 mA F = 100 MHz (Ω)

R_S I_F = 100 mA F = 100 MHz (Ω)

Typical Carrier Lifetime I_F = 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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