Take a look inside the 500MHz 4 channel Teledyne Lecroy WaveJet Touch 354 oscilloscope.
a.k.a An Iwatsu DS-5600, made in Japan
http://cdn.teledynelecroy.com/files/pdf/wavejet-touch-fact-sheet.pdf
https://www.iti.iwatsu.co.jp/en/products/ds/ds5600/ds5600_top_e.html
Datasheets:
Ti ADC08D1000 1GS/s ADC
LMH6518 Variable Gain Amplifier
4 bank Synchronous DRAM
Renesas SuperH Processor
Lattice ECP2 FPGA
Lattice Mach XO CPLD
Podcast: Download