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AM50-0001 Arkusz danych(PDF) 1 Page - M/A-COM Technology Solutions, Inc. |
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AM50-0001 Arkusz danych(HTML) 1 Page - M/A-COM Technology Solutions, Inc. |
1 / 7 page GaAs MMIC Low Noise Amplifier SOIC-8 Platform Rev. V3 Application Note M540 • North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400 • India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588 1 Visit www.macomtech.com for additional data sheets and product information. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Introduction Early in 1994, M/A-COM began offering a family of plastic packaged GaAs MMIC low noise amplifiers (LNAs) featuring single positive supply voltage, low noise figure, high dynamic range, and low power consumption for the high volume commercial wireless communications market. These MMIC LNAs use M/A-COM’s 0.5-micron, low noise GaAs MESFET process and are housed in low cost, 8-lead SOIC packages. These LNAs are tested in M/A-COM’s volume automated facility to achieve low production cost. The LNAs share a common ‘platform,’ a product concept explained in the first major section below, enabling fast development and delivery cycles. This application note will show the user how to achieve the performance in the product data sheets, i.e., how to “get what we get,” and will answer some commonly asked questions such as how performance varies over bias. This note also expands on the data sheet information to show some interesting properties of the MMIC LNAs for use in other applications and at slightly different frequencies than those in the product data sheet. To allow the reader to use only those sections that are of interest, the following is a brief synopsis of the major sections of this application note: GaAs MMIC LNA SOIC-8 Product Family: This section discusses the ‘platform’ concept and gives an overview of the salient features for each MMIC LNA. MMIC LNA Product Design and Performance Features: This section is a detailed look inside the design, manufacturing, and reliability issues for these GaAs MMIC LNAs. MMIC LNA Product Customer Use Considerations: This section discusses the issues of importance to the customer in order to “get what we get “ in the data sheet. MMIC LNA Product Applications: This section shows additional performance features of the MMIC LNAs for their designed applications, as well as performance characteristics for other applications such as power amplifier driver amplifiers and using off-chip tuning networks to shift the frequency range of performance. Performance Data & Recommended Board Layouts: This section discusses the measurement data that is available, evaluation samples, and printed circuit boards. Conclusion: This section summarizes the application note and gives names, addresses, and phone numbers for worldwide support. Glossary: This section defines the abbreviated terms and acronyms used in this application note. GaAs MMIC LNA SOIC-8 Product Family The MMIC LNA SOIC-8 product family establishes a ‘platform’ for M/A-COM’s Integrated Circuits Business Unit. A ‘platform’ is a proven product concept and manufacturing methodology that translates core competencies into product families which fulfill the needs of strategic markets. The MMIC LNA SOIC-8 platform products share some common attributes, namely: Standard Circuit Design: All internal design blocks such as low noise stage, gain stage, and biasing schemes are based on proven design topologies. Standard IC Fabrication: Only one fixed production IC process is used; it has proven yields and well defined SPC parameters. Standard Manufacturing: All chips are assembled on the same ISO-9001 certified manufacturing line in the same SOIC-8 package. The methods for product assembly, test, qualification, in-line quality monitoring, and documentation are identical for each device in the platform. The advantages of a platform approach to GaAs MMIC product development are several. Using a common design topology and methodology for similar products means that many such products can be designed in parallel-essentially a batch process-enabling fast development times. The entire development cycle from inception to preliminary release for the original five LNAs (MAAM12021, MAAM12022, MAAM12031, MAAM12032, and MAAM22010) in this platform took six months. Additionally, these five LNAs are housed in one style package, the SOIC-8, with identical pin assignments. This commonality greatly simplifies the assembly, fixturing, test, and documentation requirements. Another advantage to the platform approach is that derivative products, such as those with a different frequency range or gain level, can be developed quickly in one single design and manufacturing cycle; it is not unusual to make the transition from concept to full production in three months. Both the AM50-0001 and AM50-0002 LNAs are derivative products which have benefited from the platform approach. The AM50- 0001 is a higher dynamic range LNA in a lower frequency band which utilizes the SOIC-8 platform design methodology and has identical pin assignments to the original LNAs. The AM50-0002 combines design topologies from the original LNAs to produce a higher gain LNA in the SOIC-8 platform. |
Podobny numer części - AM50-0001 |
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Podobny opis - AM50-0001 |
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