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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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BGA430 датащи(PDF) 1 Page - Infineon Technologies AG |
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BGA430 датащи(HTML) 1 Page - Infineon Technologies AG |
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1 / 24 page  AN 074 Rev E 1 / 24 19-November-2002 Applications Note No. 074 Silicon Discretes A 35 dB Gain-Sloped LNB I.F. Amplifier for Direct Broadcast Satellite Television Applications using the BGA430 & BGB540 Silicon MMICs • Gain = 32 – 37 dB from 950 – 2150 MHz (positive gain slope) • Low Power Consumption: 40mA at +5.0 Volts • Exceptionally low Noise Figure: less than 3 dB • Low Cost, Low Parts Count • High Reverse Isolation • Output Compression point: +1 dBm minimum (May be increased with higher DC bias level) • Suitable for European, Asian & North American DBS LNB I.F. Amplifier Chains for 950 – 1450 and 950 – 2150 MHz 1. Overview Infineon’s BGA430 Broad Band High Gain Low Noise Amplifier and BGB540 Active Biased Transistor are shown in an Intermediate-Frequency (“I.F.”) amplifier application targeted for the I.F. chains of European, Asian and North American Direct- Broadcast Satellite (DBS) Low Noise Block Amplifier / Downconverters (LNBs). A summary of key performance parameters for the complete LNB I.F. Amplifier is given in Table 1 to the right. The reader is referred to Appendix A on page 21 for complete electrical data including minimum, maximum, mean value, and standard deviation for the lot of Printed Circuit Boards (PCBs) tested. Appendix B on page 22 gives information on performance over the –40 to +85 °C temperature range. Section 2 of this applications note provides a brief description of the BGA430 and BGB540 MMICs. Section 3 gives some general Direct Broadcast Satellite system information, and is included to provide a general background. Section 4 provides details on the PC Board used, including photos, a Bill of Material (BOM) and a PCB cross-sectional diagram. Section 5 describes using the BGA430 MMIC as a stand- alone DBS I.F. Amplifier block, and covers design issues unique to BGA430. Section 6 addresses the question “why might one want a positive gain slope I.F. Amplifier” and Section 7 gives measurement results on the complete gain-sloped amplifier using both BGA430 & BGB540. Table 1. Typical performance for the complete BGA430+BGB540 LNB I.F. Amplifier. Conditions: Temperature=25 °C, V=5.0 Volts, n=25 units, ZS=ZL=50Ω, network analyzer source power = -40 dBm Parameter Frequency, MHz 950 1450 2150 Input Return Loss, dB 26.0 27.3 12.0 Gain, dB 33.0 37.2 37.2 Reverse Isolation, dB >50 >50 >50 Output Return Loss, dB 13.7 13.4 13.1 Noise Figure, dB 2.4 2.4 2.6 Output P1dB, dBm +1.7 +4.9 +7.9 Input IP3, dBm -20.8 -22.5 -18.9 Please note that the reference planes for all measurement data shown in Table 1 are at the PC board’s SMA RF connectors; e.g. no PCB loss is extracted from the numbers given. |
Аналогичный номер детали - BGA430 |
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Аналогичное описание - BGA430 |
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