Pictures of RF boards

I have recently started spending a lot of time in University of Tartu Space Technology lab. RF boards in the trash box look so beautiful that I just had to make pictures. Since I don't know what all these boards to, the descriptions can contain errors.

Overview of the RF board.

Overview of the RF board.

Random inputs? and some filtering.

Random inputs? and some filtering.

One of the big RF amplifier chips on the board.

One of the big RF amplifier chips on the board.

The other RF amplifier, even bigger than previous one.

The other RF amplifier, even bigger than previous one.

Output filter? or amplifier?

Output filter? or amplifier? The component is mounted on gigantic heatsink on the bottom of the board.

Power circuit of the board.

Power circuit of the board.

Old RF filter board.

Old RF filter board.

Overview of the board.

Overview of the board.

Output part of some old RF board.

Output part of some old RF board.

Middle section of the same board.

Middle section of the same board.

Input side of some old RF board.

Input side.

Overview of 3G telephone mast PCB. Golden stripes show where the metal shielding connected to the board.

Overview of 3G telephone mast PCB. Golden stripes show where the metal shielding connected to the board.

Golden bottom side of the same board.

Golden bottom side of the same board.

Random

Random

Probably some input filtering

Probably some input filtering

Power supply of the telephone mast

Power supply of the telephone mast

Beefy amplifiers

Beefy amplifiers

Another switching regulator part

Another switching regulator part

Awesome cascaded filters

Awesome cascaded filters

Weird add on card, looks like magnetic-core memory

Weird add on card, looks like magnetic-core memory

Some more magnetic-core memory

Some more magnetic-core memory

Share

Leave a Reply

Your email address will not be published. Required fields are marked *