Products > Test Equipment
Agilent L4411A Multimeter teardown
coromonadalix:
here's some high res
you do see a familiar number there
coromonadalix:
here's some high res
coromonadalix:
here's some high res
the fan is well hidden ... have cleaned it up, but it's kinda noisy to hear it case opened
coromonadalix:
here's some high res
Yo do see some holes on the sub front panel frame
The rears plugs and fuse socket could be moved to the front ?? maybe design a new overlay for this ??
strange the photo show rotated ???
Some ghost photo loll
There are 3 layers of stuff, the overlay, you have the front panel plate, and the frame chassis, for the down right hole, only the frame chassis hole is punched ??
coromonadalix:
Shield plate removed
U302 Agilent !ng4-0001 ASIC ?
A very high placed crystal, you sdont see it well but it's lifted 5 mm over the pcb surface, strain relief ??
A beautiful LM399 reference
Some smt resistors, precision ?? R300 and R500
U700 an Xilinx Spartan XC3S200
U505 AD9200A 10 bit 20mps AD converter
https://www.analog.com/media/en/technical-documentation/data-sheets/AD9200.pdf
U506 AD9283 8-Bit, 50 MSPS/80 MSPS/100 MSPS
https://www.analog.com/media/en/technical-documentation/data-sheets/ad9283.pdf
U503 AD829
https://www.analog.com/media/en/technical-documentation/data-sheets/ad829.pdf
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