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| Filtered Low Noise Ampli er SPECTRUM MICROWAVE P/N: 310-024109-011 For GPS Applications 1575 MHz This series of Low Noise Amplifiers provides a filtered, low-noise gain solution ideal for applications where higher reliability is critical. These filtered low noise amplifiers are designed to reduce out-of-band interference while achieving high dynamic range. A 3-pole ceramic filter selects only the desired GPS positioning signal while the low-noise gain stage maintains the receiving system's sensitivity. The LNA rejects undesired signals by at least 40 dB at 1050, 1410, and 1710 MHz. See the graphs on Page 2 for return loss, rejections, and gain of a typical unit. The preamplifier is powered by DC voltage applied to the center conductor of the output connector. Optionally, the unit can be powered through an external DC bias connector. P/N: 310-024109-011 Typical Performance Speci cations Frequency. . . . . . . . . . . . . 1575.42 MHz (L1) Bandwidth . . . . . . . . . . . . 30 MHz min. Noise gure . . . . . . . . . . . 2.5 dB max. VSWR . . . . . . . . . . . . . . . 1.5:1 max. Gain . . . . . . . . . . . . . . . . 45 dB +/- 3.0 dB Gain Flatness . . . . . . . . . . +/-0.5 dB Rejection . . . . . . . . . . . . . 40 dB @ 1050, 1410, 1710 MHz Bias . . . . . . . . . . . . . . . . . Coaxial Bias DC Power . . . . . . . . . . . . 5-16 VDC Temperature Range. . . . . . -40C to +71C All specifications above measured at 25 Features and Bene ts Noise figure 1.6 dB typical Filtered preamp filters Lightweight aluminum housing Single band (L1) performance Coaxial and external bias options Environmental sealing available Application specific packages available L5 configurations available upon request Dimensions and Connections Antenna port J1 Receiver port J2 External bias J3 SMA type female connectors 2.20"o x 0.080"H excluding connectors Optional Bias cable is available to simplify testing and evaluation (P/N: A020-0560) Chassis is machined aluminum with a nickel plate finish. Block Diagram Noise Figures GPS Band Freq (MHz) 1565 1575 1585 NF (dB) 1.60 1.60 1.60 L1 S-Parameters for this model are available on our website. LNA parameters include noise data. CERTIFIED SPECTRUM MICROWAVE * 38166 Old Stage Road * Delmar, Delaware 19940 * Phone: 302-846-2750 * Fax: 302-846-3888 SPECTRUM MICROWAVE * 2707 Black Lake Place * Philadelphia, Pennsylvania 19154 * Phone: 215-464-4000 * Fax: 215-464-4001 www.SpectrumMicrowave.com Filtered Low Noise Ampli er 1575 MHz Ampli er Gain 60 45 30 15 0 -15 -30 1400 DB(|S[2,1]|)* Return Loss 0 DB(|S[1,1]|)* Gain in dB Loss in dB -10 -20 DB(|S[2,2]|) 1500 1600 Frequency (MHz) 1700 1750 -30 1051 1251 1451 Frequency (MHz) 1651 1751 Dimensions (inches) 1.00 o2.72 4X o .17 thru 2X SMA Female Connector 1.79 .51 J1 2.15 J1 J2 J3 MR01 Series Connector 2.20 1.36 J2 J3 1.79 .51 .23 .80 SPECTRUM MICROWAVE * 38166 Old Stage Road * Delmar, Delaware 19940 * Phone: 302-846-2750 * Fax: 302-846-3888 SPECTRUM MICROWAVE * 2707 Black Lake Place * Philadelphia, Pennsylvania 19154 * Phone: 215-464-4000 * Fax: 215-464-4001 www.SpectrumMicrowave.com |
Price & Availability of 310-024109-011
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