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Element recognition

Question asked by YURI SHAYKHADINOV on Jul 15, 2019
Latest reply on Jul 16, 2019 by LPP
Good evening. I need your competent help to identify radio elements.
The SMD codes are : 6AP (6 pins), T79 (4 pins), P5T (4 pins)
I suppose it is low-noise amplifiers or just broadband amplifiers.
Other elements having SMD codes: 7K (5 or 4
pins), JT (4pins), 31 OW (6 pins) TV9 (3 pins) I suppose it is bandpass filters and a notch filter.
All elements belong to high-frequency electrical engineering. Used for operation at a frequency of 1.5 - 1.6 GHz
I apologize for my bad english.
I hope for your help. With Best wishes.
P.S Sorry if I marked the question in the wrong section.