Multi-Mode/Multi-Band Power Amplifier Module: SKY77604-11

Source: Skyworks Solutions, Inc.

Multi-Mode/Multi-Band Power Amplifier Module: SKY77604-11

This power amplifier module consists of a GSM800/EGSM900 PA block, a DCS1800/PCS1900 PA block, separate WCDMA blocks for low and high bands, RF input / output ports internally matched to 50 Ω to reduce the number of external components, and a Multi- Function Control (MFC) block. All of this is encapsulated in a 6 mm x 8 mm, 34-pad MCM, Surface-Mounted Technology (SMT) package, resulting in a highly manufacturable and low cost solution.  

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The SKY77604-11 Multi-Mode/Multi-Band Power Amplifier Module is ideal for applications involving quad-band cellular handsets, multiband 3G handsets, and WCDMA/HSDPA/HSUPA/HSPA+ modulated handsets (Bands I, II, IV, IX, X, V, VIII).

Full List of Features:

  • Hybrid architecture: separate GSM and WCDMA paths
  • Separate single-ended GSM and WCDMA outputs, combined single-ended GSM and WCDMA inputs, all AC-coupled
  • Multiplexed voltage detector for GMSK, EDGE modes; coupler output for 3G bands provided to transceiver for power control
  • Fully programmable serial bus interface
  • Final VCC stage for 2.5G/3G can attach to battery or buck DC/DC
  • Driver stage for 3G can attach to battery or buck DC/DC
  • 2.5G features:
    - EGPRS Class 12 multi-slot operation
    - Linear power detector
    - Linear PA with bias optimization for efficiency/linearity tradeoff in 8-PSK mode
  • 3G features:
    - WCDMA mode supports output power and bandwidth for bands I, II, IV, IX, X, V, VIII
    - Coupler output
    - Linear balanced with bias optimization and low/high mode gain switch for best efficiency/linearity trade-off
  • Small, low profile package:
    - 6 mm x 8 mm x 0.9 mm
    - 34-pin configuration

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