SKY66005-11

850 to 920 MHz, +19 dBm Linear Power Amplifier

The SKY66005-11 linear Power Amplifier (PA) is a fully matched surface mount module developed for WCDMA applications operating from 850 to 920 MHz. The device meets the stringent spectral linearity requirements of WCDMA femtocell applications with high power-added efficiency. An integrated directional coupler eliminates the need for any external coupler.

The GaAs MMIC contains all active amplifier circuitry, which includes input and interstage matching circuits. An output match into a 50 Ω load, realized off-chip within the module package, optimizes efficiency and power performance.

The SKY66005-11 is manufactured with Skyworks InGaP GaAs HBT process, which provides for all positive voltage DC supply operation and maintains high efficiency and good linearity. The primary bias to the device can be supplied directly from any suitable power supply with an output of 4.2 V. Power down is achieved by setting the VEN pin to 0 V. No external supply side switch is needed since typical “off” leakage is a few microamps with full primary voltage supplied from the main power supply.

The SKY66005-11 is packaged in a 10-pin, 3 x 3 mm Multi-Chip Module (MCM), which allows for a highly manufacturable low-cost solution.

Data Sheets

Talk to Sales ECAD Model

Specifications

Frequency Range (GHz)0.85-0.92

Test Frequency (GHz)0.883

Gain Typ. (dB)30

OIP3 (dBm)—

P_{1 dB} (dBm)—

Power Added Efficiency (%)

Linear Output Power (dBm) +19

Supply Voltage (V)4.2

Quiescent Current Typ. (mA)46

PackageMCM, 10-pin

Package (mm)3 x 3 x 0.9

Features

Small signal gain: 30 dB
ACLR at POUT = +19 dBm: –51 dBc
PA on/off control
I/O impedance internally matched to 50 Ω
Single DC supply: 3.3 V to 4.6 V
Minimal number of external components required
Small footprint MCM (10-pin, 3 x 3 mm) package (MSL3, 260 °C per JEDEC J-STD-020)

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