SainSmart DDS140
Revision as of 21:30, 15 February 2020 by SamantazFox (talk | contribs) (Add pictures for the signal generator extension module)
The SainSmart DDS140 is a USB-based, 2-channel oscilloscope with an analog bandwidth of 40MS/s and 200MS/s sampling rate.
Optionally, it also supports usage as signal generator or logic analyzer.
See SainSmart DDS140/Info for more details (such as lsusb -v output) about the device.
Hardware
- USB: Cypress CY7C68013A-100AXC (FX2LP) (datasheet)
- 64-kbyte I²C EEPROM: Microchip 24LC64I (datasheet)
- Dual 8bit, 100MSPS ADC: MXTronix MXT2088 (datasheet)
- 5x CMOS differential 4-channel analog mux/demux with logic-level conversion: Texas Instruments CD4052BM (datasheet)
- CPLD: Altera MAX II EPM240T100CN (datasheet)
- 64K x 16 CMOS anyc SRAM (8ns): ISSI IS61LV6416-8TI (datasheet)
- Dual voltage comparator: TI LM393 (datasheet)
- 1A low-dropout voltage regulator (3.3V): Advanced Monolithic Systems AMS1117-3.3 (datasheet)
- Crystal: 24MHz (for Cypres FX2)
- Crystal: 80MHz (for Altera MAX II)
Photos - Oscillocope (main unit)
Package contents
Sticker
Device, top
Device, bottom
USB
Connectors
2nd connector
PCB, top
PCB, bottom
MXT2088
Cypress FX2
Microchip 24LC64I
Altera MAXII EPM240T100CN
ISSI IS61LV6416-8TI
80MHz crystal
AMS1117-3.3
TI CD4502BM
LM393
?
?
Photos - Signal generator extension
Device, top
PCB, top
PCB, bottom
PCB, top (closer view)
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