This part is a kind of semiconductor called AM50-0003.

Function of this product has High Dynamic Range Low Noise Amplifier.

Manufacturers : MA-COM

Image and pinout :

Some of the text within the PDF file :

AM50-0003 High Dynamic Range Low Noise Amplifier 800 - 1000 MHz Features • Low Noise Figure: 1.2 dB • High Input: +18 dBm at 8 V, 60 mA bias +6.5 dBm at 3 V, 20 mA bias • High Gain: 15 dB • Single Supply: +3 to +8 VDC • Low Cost SOIC-8 Plastic Package • Adjustable current: 20 to 80 mA with external resistor Functional Block Diagram Rev. V5 Description M/A-COM’s AM50-0003 is a high dynamic range, GaAs MMIC, low noise amplifier in a low cost, SOIC 8-Lead, surface mount, plastic package. It employs external input matching to obtain optimum noise figure performance and operating frequency flexibility. The AM50-0003 also features flexible biasing to control the current consumption vs. dynamic range trade-off. The AM50-0003 can operate from any supply voltage in the [ ... ]

AM50-0003 PDF Datasheet Download