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SKY65387-11

Skyworks Solutions
Part Number SKY65387-11
Manufacturer Skyworks Solutions
Description 2110-2170 MHz Variable Gain Amplifier
Published Oct 1, 2012
Detailed Description PRELIMINARY DATA SHEET SKY65387-11: 2110-2170 MHz Variable Gain Amplifier Applications • WCDMA base stations • Femto ce...
Datasheet PDF File SKY65387-11 PDF File

SKY65387-11
SKY65387-11


Overview
PRELIMINARY DATA SHEET SKY65387-11: 2110-2170 MHz Variable Gain Amplifier Applications • WCDMA base stations • Femto cells Description Skyworks SKY65387-11 is a high linearity, Variable Gain Amplifier (VGA) module.
The device includes an input Low-Noise Amplifier (LNA), a variable voltage attenuator, and an output Power Amplifier (PA).
The two amplifiers and voltage attenuator are optimized for superior ACLR performance with WCDMA signals.
The high linearity (high OP1dB, OIP3, and ACLR) and high efficiency of this device make it ideal for use at the final stage (or close to the final stage) of a WCDMA transmit chain.
The output of the first PA (PA1) is matched to the input of the VCA.
The output of the VCA is matched to the input of the second PA (PA2).
The RF_IN and RF_OUT signals (pins 1 and 8, respectively) are both internally matched, including DC blocking capacitors.
The SKY65387-11 VGA uses low-cost Surface Mount Technology (SMT) in the form of a compact, 8 x 8 mm 12-pin Multi-Chip Module (MCM), which allows for a highly manufacturable low-cost solution.
A functional block diagram is shown in Figure 1.
The pin configuration and package are shown in Figure 2.
Signal pin assignments and functional pin descriptions are provided in Table 1.
www.
DataSheet.
net/ Features • Frequency range: 2110 to 2170 MHz • High gain: >30 dB • Attenuation range: > 35 dB • OP1dB: >+28 dBm • ACLR < –65 dBc for POUT = +12 dBm • Single DC supply: +5 V • Small MCM (12-pin, 8.
385 x 8.
385 mm) SMT package (MSL3, 260 °C per JEDEC J-STD-020) Skyworks Pb-free products are compliant with all applicable legislation.
For additional information, refer to Skyworks Definition of Lead (Pb)-Free, document number SQ04-0073.
VCTRL RF_IN Input Match PA1 Variable Attenuator PA2 Output Match RF_OUT S2326 Figure 1.
SKY65387-11 Block Diagram Skyworks Solutions, Inc.
• Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.
com • www.
skyworksinc.
com 202310A • Skyworks Proprietary Informatio...


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