Velleman PCSU1000
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The Velleman PCSU1000 is an inexpensive USB-based oscilloscope. It has 2 channels, an analog bandwidth of 50MHz and 1GS/s sampling rate.
See Velleman PCSU1000/Info for more details (such as lsusb -vvv output) about the device.
Hardware
- Xilinx XC3S50 50K-gate FPGA
- 50MHz crystal: 50.000 Y0KE (clock source for the Xilinx FPGA)
- FTDI FT245BL USB interface chip
- Microchip 93LC46BI 128-byte EEPROM chip for the FTDI chip's USB settings
- Microchip PIC16F630-I/P 8-bit microcontroller
- Philips/NXP 74HC367D Hex buffer/line driver
- SIR-S4-105A FZ Goodsky 5V relay
- Unisonic ULN2003 7-channel darlington sink driver
TODO: Rest of the chips.
Photos
Back
Side
PCB, front
PCB, back
main ICs
main ICs detail
PCB, chunk
Xilinx XC3S50
Microchip PIC16F630-I/P
FTDI FT245BL
Microchip 93LC46BI
Philips/NXP 74HC367D
3x SOIC-8 chips
50MHz crystal
Input sections
Input section detail
Input section detail
UTC ULN2003
SIR-S4-105A FZ
Protocol
TODO.
Resources
TODO.