SKY77606

Multiband/Multimode PAM for Quad-Band GSM / EDGE and Tri-Band (Bands I, V, VIII)

Skyworks SKY77606 is a hybrid multimode, multiband Power Amplifier Module (PAM) that supports 2.5G and 3G handsets, and operates efficiently in GSM, EGPRS, EDGE and WCDMA modes.

The PAM consists of a GSM800/EGSM900 PA block, a DCS1800/PCS1900 PA block, separate blocks for WCDMA operating in low / high bands, a logic control block for multiple power control levels, and band enable functions in both cellular and UMTS. RF I/O ports internally matched to 50 Ω minimize the number of external components. Extremely low leakage current maximizes handset standby time.

GSM/EDGE: The SKY77606 uses a new compact architecture to support GSM850, EGSM900, DCS1800 and PCS1900 bands. The PAM also supports 2.5G Class 12 Enhanced General Packet Radio Service (EGPRS) multi-slot operation and EDGE linear modulation.

WCDMA: The SKY77606 uses Switched Load Insensitive Power Amplifier (SLIPA) circuitry to support WCDMA, High-Speed Downlink Packet Access (HSDPA), and High-Speed Uplink Packet Access (HSUPA) modulations at moderate antenna Voltage Standing Wave Ratio (VSWR). This functionality covers multiple bands for 3GPP, including bands I, VIII, and operates at different power modes.

The module is fully controllable via three line logic and bandenable interfaces. The InGaP/GaAs die and passive components are mounted on a multi-layer laminate substrate and the assembly encapsulated with plastic overmold. The SKY77606 is a compact, low profile, Surface Mount Technology (SMT) package, which allows for a highly manufacturable, low cost solution.

Product Summary

Talk to Sales ECAD Model

Specifications

Frequency (MHz)
824-849
880-915
1710-1785
1850-1910
1920-1980
824-849
880-915

DescriptionMULTIBAND/MULTIMODE POWER AMPLIFIER MODULE
GSM850
GSM900
DCS1800
PCS1900
WCDMA B1
WCDMA B5
WCDMA B8

Typical PAE (%)
50
50
50
50
37
35
34

Typical Imax (mA)
1740
1740
1075
1075
478
447
467

Typical Gain (dB)
-
-
-
-
27
28
26.5

Supply Voltage (V)3.2-4.5

PackageMCM, 24-PAD

Package (mm)5 X 7 X 0.9

Features

Hybrid module architecture: separate GSM, WCDMA paths
50 ohm input and output impedances, integrated DC blocking on all ports
Separate single-ended GSM and WCDMA inputs and outputs
Integrated coupler with coupled and isolated ports for 3G band operation
CMOS-compatible three-line logic input plus HB / LB enable
Both 3G VCC stages for 2.5G / 3G can attach to battery or buck DC/DC
2.5G Features:
- EGPRS Class 12 multi-slot operation
- Three RF POUT control levels using digital logic interface.
- Linear PA with bias optimization for efficiency / linearity tradeoff in 8-PSK mode
3G Features:
- WCDMA mode supports output power, bandwidth: Bands I, V, VIII
- Two RF POUT control levels using digital logic interface
- Linear balanced with bias optimization and low / high mode gain switch for best efficiency / linearity trade-off
Small, low profile package:
- 7 mm x 5 mm x 0.9 mm
- 24-pad configuration

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