PRELIMINARY DATA SHEET SKY73420-11: 650 to 950 MHz Broadband, Application Configurable High Gain and Linearity Diversity Downconversion Mixer Applications IFA+ IFA RLOA 2G/3G/4G base station transceivers: BS0 GSM/EDGE, CDMA, UMTS/WCDMA, LTE RIFA BS1 Land mobile radio RFA High performance radio links LO Features Operating frequency range: 650 to 950 MHz IF frequency range: 150 to 400 MHz RFB Conversion gain: 8.1 dB PWRDN RIFB Input IP3: up to +25.6 dBm Noise figure: 9.3 dB IFB+ IFB S2760 RLOB Power-down mode Integrated LO drivers Figure 1. SKY73420-11 Block Diagram Integrated low-loss RF baluns High-linearity IF amplifiers Description Application tuneability The SKY73420-11 is a fully integrated diversity mixer that Small, QFN (36-pin, 6 x 6 mm) package (MSL3, 260 C per includes local oscillator (LO) drivers, high linearity mixers, and JEDEC J-STD-020) large dynamic range intermediate frequency (IF) amplifiers. Low loss RF baluns have also been included to reduce design complications and lower system cost. Skyworks Green products are compliant with all applicable legislation and are halogen-free. The SKY73420-11 features an IIP3 of up to +25.6 dBm and a For additional information, refer to Skyworks noise figure (NF) of 9.3 dB, making the device an ideal solution for Denition of Green, document number high dynamic range systems such as 2G/3G/4G base station SQ04-0074. receivers. The SKY73420-11 has been designed for optimum long-term reliability. The SKY73420-11 diversity downconversion mixer is Table 1. Pin-to-Pin Compatible Mixer Family provided in a compact, 36-pin Quad Flat No-Lead (QFN) package. A functional block diagram is shown in Figure 1. The pin RF Frequency LO Frequency IF Frequency configuration and package are shown in Figure 2. Table 1 lists the Part Number (MHz) (MHz) (MHz) part numbers of pin-compatible parts belonging to this family of SKY73420-11 650 to 950 750 to 1350 100 to 400 mixers. Signal pin assignments and functional pin descriptions SKY73421-11 1400 to 2000 1100 to 1900 100 to 350 are provided in Table 2. SKY73422-11 1700 to 2700 2000 to 2550 100 to 400 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 202967B Skyworks Proprietary and Confidential Information Products and Product Information are Subject to Change Without Notice August 8, 2019 1 DISCONTINUEDPRELIMINARY DATA SHEET SKY73420-11: DOWNCONVERSION MIXER 36 35 34 33 32 31 30 29 28 1 RFA 27 N/C 2 26 N/C GND 3 GND 25 BS1 24 4 BS0 VCC LO Ground Pad 5 23 N/C N/C 6 22 VCC LO PWRDN GND 7 21 VCC LOIN GND 8 20 GND RFB 9 19 LO 10 11 12 13 14 15 16 17 18 S2761 Figure 2. SKY73420-11 Pinout 36-Pin QFN (Top View) Table 2. SKY73420-11 Signal Descriptions Pin Name Description Pin Name Description 1 RFA RF channel A input 19 LO Local oscillator input 2 GND Ground 20 GND Ground 3 GND Ground 21 VCC LOIN DC supply, +5 V 4 VCC LO DC supply, +5 V 22 PWRDN Power-down mode enable 5 N/C No internal connection 23 N/C No internal connection 6 VCC LO DC supply, +5 V 24 BS0 Band select 0 control 7 GND Ground 25 BS1 Band select 1 control 8 GND Ground 26 N/C No internal connection 9 RFB RF channel B input 27 N/C No internal connection 10 VCC RFB DC supply, +5 V 28 N/C No internal connection 11 RIFB IF channel B bias control 29 RLOA LO channel A bias control 12 N/C No internal connection 30 VCC IFA DC supply, +5 V 13 IFB+ IF channel B positive output 31 N/C No internal connection 14 IFB IF channel B negative output 32 IFA+ IF channel A positive output 15 N/C No internal connection 33 IFA IF channel A negative output 16 VCC IFB DC supply, +5 V 34 N/C No internal connection 17 RLOB LO channel B bias control 35 RIFA IF channel A bias control 18 N/C No internal connection 36 VCC RFA DC supply, +5 V Ground pad Bottom ground pad (Note 1) Note 1: Bottom ground pad serves as a key electrical and thermal ground. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 August 8, 2019 Skyworks Proprietary and Confidential Information Products and Product Information are Subject to Change Without Notice 202967B DISCONTINUED VCC RFB VCC RFA RIFB RIFA N/C N/C IFB+ IFA IFB IFA+ N/C N/C VCC IFB VCC IFA RLOB RLOA N/C N/C