High Linearity LNA Gain Block
TQP3M9019
High Linearity LNA Gain Block Applications
Repeaters Mobile Infrastructure LTE / WCDMA / CDMA / EDGE ...
Description
TQP3M9019
High Linearity LNA Gain Block Applications
Repeaters Mobile Infrastructure LTE / WCDMA / CDMA / EDGE General purpose Wireless
16-pin 3x3 QFN package
Product Features
20-4000 MHz 22 dB Gain @ 1900 MHz 1.3 dB Noise Figure @ 1900 MHz +39.5 dBm Output IP3 50 Ohm Cascadable Gain Block Unconditionally Stable High Input Power Capability +5V Single Supply, 125mA Current 3x3 mm QFN Package
Functional Block Diagram
General Description
The TQP3M9019 is a cascadable, high linearity gain block amplifier in a low-cost surface-mount package. At 1.9 GHz, the amplifier typically provides 22 dB gain, +39.5 dBm OIP3, and 1.3 dB Noise Figure while only drawing 115 mA current. The device is housed in a leadfree/green/RoHS-compliant industry-standard 16-pin 3x3mm QFN package. The TQP3M9019 has the benefit of having high gain across a broad range of frequencies while also providing very low noise. This allows the device to be used in both receiver and transmitter chains for high performance systems. The amplifier is internally matched using a high performance E-pHEMT process and only requires an external RF choke and blocking/bypass capacitors for operation from a single +5V supply. The internal active bias circuit also enables stable operation over bias and temperature variations. The TQP3M9019 covers the 0.02 – 4 GHz frequency band and is targeted for wireless infrastructure or other applications requiring high linearity and/or low noise figure.
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