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SA1920

Features: • Low current consumption• Outstanding low- and high-band noise figure• Excellent gain stability versus temperature and supply• Image reject high-band mixer with over 30 dB of rejection• Increased low-band LNA gain compression during analog transmission̶...

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SeekIC No. : 004483547 Detail

SA1920: Features: • Low current consumption• Outstanding low- and high-band noise figure• Excellent gain stability versus temperature and supply• Image reject high-band mixer with ov...

SA1920 Data Sheet

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Part Number:
SA1920
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

• Low current consumption
• Outstanding low- and high-band noise figure
• Excellent gain stability versus temperature and supply
• Image reject high-band mixer with over 30 dB of rejection
• Increased low-band LNA gain compression during analog transmission
• LO input and output buffers
• Frequency doubler
• On chip logic for network selection and power down
• Very small outline package


Application

• 800 to 1000 MHz analog and digital receivers
• 1800 to 2000 MHz digital receivers
• Portable radios
• Digital mobile communications equipment


Pinout

Connection Diagram


Specifications

QUANTITY SYMBOL VALUE UNIT
Input supply voltage at pins: 7, 25, 27, 40 VCC 4.75 V
Power dissipation PD 150 mW
Input power at all ports PIN +20 dBm
Operating temperature range (pin temp) TO 40 to+85
Storage temperature range Tsrg 65 to +125



Description

The SA1920 is an integrated dual-band RF front-end that operates at both cellular (AMPS, GSM and TDMA) and PCS/DCS (TDMA and GSM) frequencies, and is designed in a 13 GHz fT BiCMOS process-QUBiC1. The low-band is a combined low-noise amplifier (LNA) and mixer. The LNA has a 1.7 dB noise figure at 881 MHz with 17.5 dB of gain and an IIP3 of 5 dBm. The wide-dynamic range mixer has a 10 dB noise figure at 881 MHz with 9.5 dB of gain and an IIP3 of +5 dBm.

The high-band SA1920 contains a receiver front-end, doubler and a high frequency transmit mixer intended for closed loop transmitters. One advantage of the high-band architecture is an image-rejection mixer with over 30 dB of image rejection; thus, eliminating external filter cost while saving board space. The system noise figure is 4.2 dB at 1960 MHz with a power gain of 23.5 dB and an IIP3 of 12.5 dB.




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