SKY67101-396LF Datasheet, PDF (1/12 Pages) Skyworks Solutions Inc. – SKY67101-396LF 0.4-1.2 GHz High Linearity, Active Bias Low-Noise Amplifier

DATA SHEET
SKY67101-396LF: 0.4-1.2 GHz High Linearity, Active Bias
Low-Noise Amplifier
Applications
• GSM, CDMA, WCDMA, and TD-SCDMA cellular infrastructure
• Ultra low-noise systems
Features
• Ultra Low Noise Figure: 0.57 dB @ 0.9 GHz
• Input and output return loss > 18 dB @ 0.9 GHz
• High OIP3 performance: +33.8 dBm @ 0.9 GHz
• Adjustable supply current and gain
• Temperature and process-stable active bias
• Miniature DFN (8-pin, 2 x 2 mm) package (MSL1 @ 260 °C per
JEDEC J-STD-020)
Figure 2. SKY67101-396LF Pinout – 8-Pin DFN
(Top View)
Figure 1. SKY67101-396LF Block Diagram
Description
The SKY67101-396LF is GaAs, pHEMT Low-Noise Amplifier (LNA)
with an active bias and high linearity performance. The advanced
GaAs pHEMT enhancement mode process provides excellent
return loss, low noise, and high linearity performance.
The internal active bias circuitry provides stable performance over
temperature and process variation. The device offers the ability to
externally adjust supply current and gain. Supply voltage is
applied to the RFOUT/VDD pin through an RF choke inductor. Pin 4
(VIN) should be connected to RFOUT/VDD through an external
resistor to control the supply current. The RFIN and RFOUT/VDD
pins should be DC blocked to ensure proper operation. Pin 5
(FEEDBACK) is connected through an RC network to externally
adjust the gain of the device without affecting the Noise Figure
(NF) of the LNA.
The SKY67101-396LF operates in the frequency range of 0.4 to
1.2 GHz with proper tuning. For higher frequency operation, the
pin-compatible SKY67100-396LF should be used.
The LNA is manufactured in a compact, 2 x 2 mm, 8-pin Dual Flat
No-Lead (DFN) package. 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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201266H • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • June 2, 2011
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