DATA SHEET SKY65137-11: Power Amplifier for 802.11a WLAN Applications Applications Description Skyworks SKY65137-11 is a Microwave Monolithic Integrated IEEE802.11a WLAN enabled: Circuit (MMIC) Power Amplifier (PA) with superior output power, access points linearity, and efficiency. These features make the SKY65137-11 media gateways ideal for Wireless Local Area Network (WLAN) applications. set top boxes LCD TVs The device is fabricated using Skyworks high reliability Indium Gallium Phosphide (InGaP) Heterojunction Bipolar Transistor (HBT) Other broadband triple-play multimedia applications technology. The device is internally matched and mounted in a 20-pin, 6 x 6 mm Multi-Chip Module (MCM) Surface-Mounted Features Technology (SMT) package, which allows for a highly manufacturable low cost solution. Linear output power of +24 dBm for IEEE802.11a 64-QAM EVM The device package and pinout for the 20-pin MCM are shown in <2.5% Figure 1. A block diagram of the SKY65137-11 is shown in High gain of 26 dB Figure 2. Output power detector: 20 dB dynamic range Power shutdown mode Superior gain flatness Internal RF match and bias circuits Small footprint, MCM (20-pin, 6 x 6 mm) SMT package (MSL3, 260 C per JEDEC J-STD-020) Figure 1. SKY65137-11 Pinout 20-Pin MCM (Top View) Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 200851J Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice March 25, 2011 1 DISCONTINUEDDATA SHEET SKY65137-11 WLAN PA Figure 2. SKY65137-11 Block Diagram Table 1. SKY65137-11 Signal Descriptions Pin Name Description Pin Name Description 1 GND Ground 11 VCC3 Stage 3 collector voltage 2 GND Ground 12 N/C No connection 3 PA EN Power shutdown enable 13 VCC2 Stage 2 collector voltage 4 VC BIAS Bias voltage 14 V DET Detector output signal 5 N/C No connection 15 N/C No connection 6 N/C No connection 16 VCC1 Stage 1 collector voltage 7 N/C No connection 17 GND Ground 8 GND Ground 18 RF IN RF input 9 RF OUT RF output 19 GND Ground 10 GND Ground 20 GND Ground conditions, the device exhibits excellent spectral purity and power Technical Description efficiency. The SKY65137-11 PA contains all of the needed RF matching and DC biasing circuits. The device also provides an output power detector voltage. Electrical and Mechanical Specifications The SKY65137-11 is a three-stage, HBT InGaP device optimized Signal pin assignments and functional pin descriptions are for high linearity and power efficiency. These features make the described in Table 1. The absolute maximum ratings of the device suitable for wideband digital applications, where PA SKY65137-11 are provided in Table 2. Electrical specifications are linearity and power consumption are of critical importance (e.g., provided in Table 3. WLANs). Typical performance characteristics of the SKY65137-11 are The device has been characterized with the highest specified data illustrated in Figures 3 through 19. rates for IEEE802.11a (54 Mbps). Under these stringent test Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 March 25, 2011 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 200851J DISCONTINUED