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F2923 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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F2923 Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 22 page  F2923 Datasheet Constant Impedance K K||ZZ|| SP2T RF Switch 300 kHz to 8000 MHz F2923, Rev O 11/9/2015 1 GENERAL DESCRIPTION The F2923 is a low insertion loss 50 SP2T absorptive RF Switch designed for a multitude of wireless and other RF applications. This device covers a broad frequency range from 300 kHz to 8000 MHz. In addition to providing low insertion loss, industry leading isolation at 2 GHz and excellent linearity, the F2923 also includes a patent pending constant impedance (KZ) feature. KZ minimizes LO pulling in VCOs and reduces phase and amplitude variations in distribution networks. It is also ideal for dynamic switching/selection between two or more amplifiers while avoiding damage to upstream/downstream sensitive devices such as PAs and ADCs. The F2923 uses a single positive supply voltage of 3.3 V supporting three states using either 3.3 V or 1.8 V control logic. An added feature includes a ModeCTL pin allowing the user to control the device with either 1-pin or 2-pin control. COMPETITIVE ADVANTAGE The F2923 provides constant impedance on all ports during transitions without compromising isolation, linearity, or insertion loss. Constant impedance K K||ZZ|| during switching transition VSWR RF_Com port 1.4:1 vs. 9:1 for Standard Switch Insertion Loss = 0.48 dB* IIP3: +66 dBm* RF1/RF2 to RF_COM Isolation = 74 dB* Extended temperature: -55 °C to +105 °C Negative supply voltage not required *2 GHz APPLICATIONS • Base Station 2G, 3G, 4G • Portable Wireless • Repeaters and E911 systems • Digital Pre-Distortion • Point to Point Infrastructure • Public Safety Infrastructure • WIMAX Receivers and Transmitters • Military Systems, JTRS radios • RFID handheld and portable readers • Cable Infrastructure • Wireless LAN • Test / ATE Equipment FEATURES • Constant Impedance K K||ZZ|| during transition • Very low insertion loss: 0.48 dB @ 2 GHz • High Input IP3: 66 dB @ 2 GHz • RF1/RF2 to RF_Com Isolation: 74 dB @ 2 GHz • 1-pin or 2-pin device control option • Low DC current: 127 A using 3.3 V logic • Supply voltage: 3.3 V • Supports 1.8 V and 3.3 V control logic • Extended temperature: -55 °C to +105 °C • 4 mm x 4 mm, 20-pin TQFN package • Pin compatible with F2912 FUNCTIONAL BLOCK DIAGRAM RF2 RF1 RF_COM CTL Pins Mode CTL 50 50 50 ORDERING INFORMATION F2923NCGI8 Green Tape & Reel RF Product Line |
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