This part is a kind of semiconductor called AD8009.

Function of this product has Low Distortion Amplifier.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

a 1 GHz, 5,500 V/␮s Low Distortion Amplifier AD8009 NORMALIZED GAIN (dB) DISTORTION (dBc) FEATURES Ultrahigh Speed 5,500 V/␮s Slew Rate, 4 V Step, G = +2 545 ps Rise Time, 2 V Step, G = +2 Large Signal Bandwidth 440 MHz, G = +2 320 MHz, G = +10 Small Signal Bandwidth (–3 dB) 1 GHz, G = +1 700 MHz, G = +2 Settling Time 10 ns to 0.1%, 2 V Step, G = +2 Low Distortion over Wide Bandwidth SFDR –66 dBc @ 20 MHz, Second Harmonic –75 dBc @ 20 MHz, Third Harmonic Third Order Intercept (3IP) 26 dBm @ 70 MHz, G = +10 Good Video Specifications Gain Flatness 0.1 dB to 75 MHz 0.01% Differential Gain Error, RL = 150 ⍀ 0.01؇ Differential Phase Error, RL = 150 ⍀ High Output Drive 175 mA Output Load Drive 10 dBm with –38 dBc SFDR @ 70 MHz, G = +10 Supply Operation +5 V to ؎5 V Voltage [ ... ]

AD8009 PDF Datasheet Download