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How to Calculate MTTF of a Large Signal Amplifier

In the April newsletter we looked at how to calculate mean time to failure (MTTF) of an amplifier operated under small signal conditions. This month we'll switch gears to amplifiers operated under large signal conditions.

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How to Calculate MTTF of an Amplifier

The MTTF (mean time to failure) of an amplifier is a critical parameter for any high reliability application. Typically, designers try to guarantee that MTTF ≥ 106 hours, or ~100 years.

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New GRF204X Broadband Gain Blocks with Low-Loss Bypass

The new GRF2042 and GRF2043 broadband gain blocks with low-loss bypass offer a range of flat-gain, high-linearity options to support applications from 100 MHz to 6 GHz. These gain blocks are part of Guerrilla RF's expanding portfolio of more than 30 DFN-6 1.5 mm x 1.5 mm devices. Flexible biasing allows for the optimization of power consumption to best suit specific application requirements.

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What Is the Best LNA for Your GPS Receiver?

The Global Positioning System (GPS) has become an integral part of our modern world, providing precise navigation information for applications such as cellular, automotive, military, surveying, and wearable electronics. For those GPS applications demanding the absolute lowest noise amplifier performance, Guerrilla RF offers GRF2071 and its automotive-qualified variant GRF2071W. These devices deliver an industry-leading combination of noise figure (NF), gain, linearity and bandwidth.

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A High Performance, Single-SAW SDARS Solution

Introducing Guerrilla RF's new Satellite Digital Audio Radio Service (SDARS) solution for non-collocated cellular transmit applications. In this operating environment, the difficult out-of-band blocker (OOB) specification is reduced significantly from +10 dBm to -10 dBm. This relaxation of the OOB blocker spec makes it possible to have a spec-compliant LNA solution which uses only a single surface acoustic wave (SAW) filter.

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How Do You Optimize Noise Figure for Ultra-low Noise LNAs?

The Guerrilla RF applications engineering team is often asked by customers if they can significantly improve the noise figure (NF) of our ultra-low noise amplifiers by presenting a noise match to the input of the device.

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Amplifier Lineups for SDARS Applications

Guerrilla RF offers a variety of automotive SDARS 2320 to 2345 MHz LNA solutions. Here is a brief overview where we focus on the input SAW filter and stage 1 LNA characteristics.

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New Broadband Gain Blocks with Bypass

Part of Guerrilla RF's expanding portfolio of 1.5 mm DFN-6 devices, the GRF204X broadband gain blocks with low-loss bypass offer a range of flatgain, high-linearity options to support a variety of applications from 30 MHz to 6 GHz and beyond. Their flexible biasing characteristics allow for the optimization of power consumption to suit specific application requirements.

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How Do You Match an LNA for Optimum Noise Figure?

Last month's newsletter noted that that we provide de-embedded s-parameters for Guerrilla RF's portfolio of ultra-low noise figure (NF) devices. These s-parameters enable accurate simulation of gain, return loss and NF. This month, we'll see how de-embedded s-parameters inform the design of your input matching network to achieve the optimal NF for your design.

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Guerrilla RF Offers De-embedded S-Parameters with Noise Data

Guerrilla RF now offers several low noise amplifiers (LNA) with de-embedded s-parameters which include noise parameters. These data sets allow design engineers to accurately simulate the tradeoffs between LNA gain, noise figure (NF) and filter performance associated with various matching networks and matching component types.

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Introducing GRF2243 LNA with Bypass

Guerrilla RF's new GRF2243 is an outstanding, cost-effective LNA with low-loss bypass. It's great for a wide variety of radio applications requiring very low noise figure (NF) and high gain. The device can be easily tuned over a range of frequencies from 100 MHz up to 5 GHz.

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The DFN-6 Family Continues to Expand

Guerrilla RF is constantly adding to its family of 1.5 mm DFN-6 devices. Every device uses a common layout and application schematic. Within the family, there are more than 30 RF amplifiers offering a wide variety of gain, NF, linearity and bypass options.

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Can an Amplifier Be Unconditionally Stable?

Simply put, an amplifier is said to be unconditionally stable if there are no passive source or load impedances which can induce an oscillation. Unfortunately, this terminology results in occasional misconceptions among design engineers.

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How to Power Up and Power Down an RF Amplifier

Sequencing your amplifier on and off properly can prevent damage of your device. These failures can occur in the lab, during production test or, worse yet, in the field.

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Why Are Application and Fractional Bandwidth Fundamental to Choosing an RF Amplifier?

Depending on the specifics of a particular amplifier application, there can be many critical RF parameters, including gain, P1dB, IP3, IP2, NF and efficiency. One fundamental requirement that is often overlooked, at least initially, is the application bandwidth.

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Introducing Guerrilla Replace™: Guerrilla RF's New Amplifier Cross-reference Engine

In today's marketplace, there is a never-ending stream of legacy RF devices being discontinued and offered for last-time buy. In order to simplify the search for alternative devices, Guerrilla RF has created Guerrilla Replace™, a crossreference search tool which can be found on the company home page.

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Guerrilla Search™: Guerrilla RF's New Amplifier Search Engine

Searching an amplifier supplier website for RF design solutions is unusually difficult. If a search engine is available at all, it returns limited or inaccurate results, forcing a designer to sift through dozens of irrelevant devices.

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Where Can I Find Application Notes on the Website?

At Guerrilla RF, we provide a high level of applications support to our customers. A key part of this work consists of creating custom tunes for devices when the standard data sheet configuration does not adequately address the required performance.

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How Important Is Noise Figure to Your Receive Chain?

Setting cascaded noise figure (NF) for an amplifier chain starts with the first-stage low noise amplifier (LNA).

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Do You Need to Limit Amplifier Output Power?

In an RF lineup with two amplifier stages (driver and final), there are times when you want to limit the saturated output power (Psat) of the driver stage.

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Do You Have an Unusual Amplifier Requirement?

RF amplifier data sheet specification tables typically focus on the usual suspects: Gain, Noise Figure, IP3, P1dB. If you have a unique requirement, what do you do?

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Introducing Guerrilla Search: Identify the Optimum Amplifier for Your Application

With the fastest growing amplifier portfolio in the industry, it's become difficult for our customers to identify which product best satisfies their performance and cost requirements.

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How Do We Customize Amplifier Performance with Only Packaging?

The GRF4004 is a high-linearity driver with low noise. It is fabricated in a 250 nm E-mode pHEMT process and packaged in GRF's standard 1.5 mm DFN-6. For applications above 1500 MHz which require high inputreferenced linearity and very low noise, it is ideal.

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Why Is the DFN-6 Package So Magnificent? Part 2

As we discussed in last month's newsletter, the Guerrilla RF DFN-6 portfolio currently offers a growing tool kit of 20+ devices which employ an identical package, pin out and layout. Selecting a different device and changing a component value, or sometimes placing or not placing a specific matching component, opens up a wide range of gain, NF, linearity and bypass options.

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Why Is the DFN-6 Package So Magnificent? Part 1

At Guerrilla RF, we are constantly adding to our portfolio of 1.5 mm DFN-6 devices. Currently, there are more than 20 amplifier devices in this family - offering a wide variety of gain, NF, linearity and bypass options.

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Legendary Product: GRF4002 Broadband LNA

At Guerrilla RF, we've created a portfolio of RF devices that offer high levels of performance combined with flexibility. Our devices are usable in a wide range of applications and frequencies.

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Do You Need a Go-To Amplifier?

As a radio designer, it's nice to have a go-to amplifier that you can use and reuse for a wide range of application frequencies, linearity requirements, bias voltages and currents.

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How Do I Improve Gain Flatness Without Sacrificing Return Loss?

Your broadband application requires a highly efficient, linear driver that features superior gain flatness with excellent return losses over the band. The return loss requirement prevents the use of mismatch at the low end of the band to flatten the gain, so what do you do?

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How Can I Get Low Noise And Good Matching?

If your receiver lineup must have the lowest possible cascaded noise figure (NF), then Guerrilla RF's GRF207X or GRF208X low noise amplifier (LNA) families will provide the ultra-low noise and high gain you need in a standard DFN-8 package and pinout.

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And You Thought the GRF2501 Was Impressive?

The GRF2501 is a world-class WLAN low noise amplifier, but there is a new product that extends our WLAN dominance - the GRF2101. It offers higher gain, lower NF, better linearity and lower cost.

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Surprised by Avago/Broadcom EOL? We've Got You Covered!

Have you been affected by Avago/Broadcom's sweeping Obsolescence Notification? To help you, we've put together a comprehensive Suggested Replacements list. With potential replacements for over 100 different Avago products, we are ready to help you during this major transition!

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Need to Swap Out Amplifiers in a Common Footprint? No Problem!

With a single, compact layout, you now have access to a wide breadth of RF capability. Product obsolescence? System requirements change? Simply select a different component and move forward.

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