PDF MC13820 Data sheet ( Hoja de datos )

Número de pieza	MC13820
Descripción	Low Noise Amplifier
Fabricantes	Freescale Semiconductor
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No Preview Available ! Freescale Semiconductor Technical Data Document Number: MC13820/D Rev. 1.1, 09/2005 MC13820 MC13820 Low Noisewww.DataSheet4U.com Amplifier with Bypass Switch Package Information Plastic Package Case 1345 (QFN–12) Ordering Information Device MC13820 Device Marking or Operating Temperature Range 820 Package QFN-12 1 Introduction The MC13820 is a high gain LNA with extremely low noise figure, designed for cellular, GPS and ISM band applications. An integrated bypass switch is included to preserve input intercept performance. The input and output match are external to allow maximum design flexibility. The MC13820 is fabricated using Motorola's advanced RF BiCMOS process using the SiGe:C option and is packaged in the QFN12 leadless package. Contents: 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Electrical Specifications . . . . . . . . . . . . . . . . 3 3 Application Information . . . . . . . . . . . . . . . . 10 4 Printed Circuit Board . . . . . . . . . . . . . . . . . . 23 5 Scattering Parameters . . . . . . . . . . . . . . . . . 26 6 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 7 Product Documentation . . . . . . . . . . . . . . . . 36 1.1 Features • RF Input Frequency: 1000 MHz to 2.4 GHz • Gain: 18 dB (typ) at 1575 MHz and 15.7 dB (typ) at 2140 MHz • Output 3rd Order Intercept Point (OIP3): 18.5 dBm (typ) at 1575 MHz and 19.7 dBm (typ) at 2140 MHz • Noise Figure (NF): 1.25 dB (typ) at 1575 MHz and 1.3 dB (typ) at 2140 MHz • 1dB Compression Point (P1dB): -10 dBm (typ) at 1575 MHz and -5 dBm (typ) at 2140 MHz Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its products. © Freescale Semiconductor, Inc., 2005. All rights reserved. 1 page Electrical Specifications Table 4. Electrical Characteristics Measured in Frequency Specific Tuned Circuits (continued) (VCC = 2.75 V, TA = 25°C, Rbias = 2 kΩ, unless otherwise noted.) Characteristic Symbol Min Typ Max Unit 2140 MHz (Refer to Figure 11) Frequency Active Gain Active Noise Figure Active Input Third Order Intercept Point f - 2140 - MHz G 15.3 15.7 - dB NF - 1.3 1.4 dB IIP3 2.5 3.5 - dBm Active Input 1dB Compression Point Active Current @ 2.75 V Bypass Gain www.DaBtyapSahseseNt4oUi.sceoFmigure Bypass Input Third Order Intercept Point P1dB ICC G NF IIP3 -6.0 -5 - 2.8 -4.2 -3.2 - 3.2 22.5 24.5 - dBm 3.2 mA - dB 3.6 dB - dBm Bypass Current 2400 MHz (Refer to Figure 12) Frequency Active Gain - 10 20 µA f - 2400 - MHz G 13.8 14 - dB Active Noise Figure Active Input Third Order Intercept Point Active Input 1dB Compression Point Active Current @ 2.75 V Bypass Gain NF IIP3 P1dB ICC G - 1.49 3.5 4.0 -5.0 -4.0 - 2.8 -5.0 -4.0 1.6 dB - dBm - dBm 3.2 mA - dB Bypass Noise Figure Bypass Input Third Order Intercept Point Bypass Current NF - 4.2 4.7 dB IIP3 22 24 - dBm - 10 20 µA Freescale Semiconductor MC13820 Technical Data, Rev. 1.1 5 5 Page NC NC 12 11 NC 10 Application Information NC 1 Vcc1 C5 .01uf C6 33 pf 2 LNA OUT www.DataSheet4U.com C2 1 pf L2 5.6 nH 3 R2 680 MC13820 1575 MHz LNA Logic 9 8 7 C3 33 pf C4 .01uf Vcc3 4 R1 2k Rbias 56 L1 5.6 nH C1 22pF LNA IN Figure 9. 1575 MHz LNA Application Schematic Gnd Gain Enable Table 6. Typical 1575 MHz LNA Demo Board Performance (Resistor values of R1 and R2 are changed for different ICC and IP3 requirements.) Characteristic Symbol Min Typ Max R1 = 1.2 kΩ, R2 = 620 Ω Frequency f - 1575.42 - Power Gain High Gain Bypass G - 18 - - -4.7 - Output Third Order Intercept Point High Gain Bypass OIP3 - 20 - - 20.8 - Input Third Order Intercept Point High Gain Bypass IIP3 - 2.0 - - 25.5 - Out Ref P1dB High Gain Bypass P1dBout - 10 - --- In Ref P1dB High Gain Bypass P1dBin - -8.0 - --- Unit MHz dB dBm dBm dBm dBm Freescale Semiconductor MC13820 Technical Data, Rev. 1.1 11 11 Page

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