Difference between revisions of "Victor 70C"
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== Components == | == Components == | ||
* [http://www.ic-fortune.com/upload/Download/FS9922-DMM4-DS-11_EN.pdf FS9922-DMM4] multimeter chip | |||
* [http://datasheet.octopart.com/HEF4066BT-Philips-datasheet-87533.pdf HEF4066BT] quadruple bilateral switches | * [http://datasheet.octopart.com/HEF4066BT-Philips-datasheet-87533.pdf HEF4066BT] quadruple bilateral switches | ||
* [http://datasheet.octopart.com/TC7660EOA-Microchip-datasheet-1009.pdf TC7660E] charge pump DC-to-DC voltage converter | * [http://datasheet.octopart.com/TC7660EOA-Microchip-datasheet-1009.pdf TC7660E] charge pump DC-to-DC voltage converter | ||
* [http://datasheet.octopart.com/TLC27L2CP-Texas-Instruments-datasheet-151061.pdf 27L2C] precision dual op-amp | |||
* | |||
== Protocol == | == Protocol == | ||
Revision as of 13:46, 26 June 2012
The Victor 70C is an inexpensive CAT II multimeter.
It features a USB port which can be used to transfer measurements to a host PC. See Victor 70C/Info for more information about the USB connection.
Components
- FS9922-DMM4 multimeter chip
- HEF4066BT quadruple bilateral switches
- TC7660E charge pump DC-to-DC voltage converter
- 27L2C precision dual op-amp
Protocol
14 bytes polled, likely based on the LCD segments.
Photos
Victor 70C PCB
Victor 70C PCB, bottom
LCD controller
HEF4066BT
TC7660E
27L2C
