TMB820

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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<p>RF Accessories provide a range of products that help optimize performance in a variety of RF applications, from the commercial, military, and space segments. One such accessory is the TMB820, a wideband amplifier accessory, which is typically employed in radio link, VHF, UHF, and microwave applications. This article will provide a basic overview of the TMB820, its application fields and working principles.</p><p>The broad demand for wideband amplifiers in radio link, VHF, UHF, and microwave applications has created a need for reliable, efficient, and small solutions. The TMB820 from RF Accessories is a wideband amplifier that is designed to meet these needs. It operates on +4.75V to +14.0VDC power supply, and covers 50MHz to 960MHz for a linear output of +30dBm. The TMB820 features low noise figure, good linearity, and consistent gain and phase throughout the entire frequency range.</p><p>In a typical application, the TMB820 is used to amplify RF signals that are then filtered or processed in a dedicated device before transmission to their ultimate destination. The preferred operating range for the TMB820 is 1.5% to 1.9%, with an input referred 1dB compression point of +28dBm (typical).</p><p>The TMB820 contains two important circuits: the amplifier and the power supply. The amplifier section is embedded in a single PSR056 package and provides an extremely efficient and powerful amplification of incoming radio signals. The amplifier consists of four transistors, which are driven by internal bias currents and the input signals. These transistor elements are used as amplifiers that are tuned to a specific frequency range to produce an amplified version of the incoming signal. Additionally, the amplifier also contains a voltage regulator and a temperature control circuit.</p><p>The power supply is a single DC voltage regulated across the supply range of VLS = 4.75V to 14.0V and VDR = 5.0V to 12.0V. This single voltage supply is used to provide power to the amplifiers and the temperature control circuit. The amplifier provides a maximum output power level of +30dBm into 50Ω for a supply voltage of +5V to +12V. The amplifier is designed to operate within a specified temperature range of -40°C to +85°C.</p><p>Overall, the TMB820 wideband amplifier from RF Accessories is an excellent choice for a wide range of RF applications. It features wide coverage, low noise figure, good linearity, and consistent gain and phase throughout the entire frequency range. It’s also compact and highly efficient, making it ideal for a variety of radio frequency applications.</p>

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