Difference between revisions of "Victor 70C"
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* [http://datasheet.octopart.com/TC7660EOA-Microchip-datasheet-1009.pdf Microchip TC7660E] charge pump DC-to-DC voltage converter | * [http://datasheet.octopart.com/TC7660EOA-Microchip-datasheet-1009.pdf Microchip TC7660E] charge pump DC-to-DC voltage converter | ||
* [http://datasheet.octopart.com/TLC27L2CP-Texas-Instruments-datasheet-151061.pdf Texas Instruments 27L2C] precision dual op-amp | * [http://datasheet.octopart.com/TLC27L2CP-Texas-Instruments-datasheet-151061.pdf Texas Instruments 27L2C] precision dual op-amp | ||
* Unknown USB interface chip (HID) | |||
== Photos == | == Photos == | ||
Revision as of 20:17, 29 June 2012
The Victor 70C is a CAT II handheld digital multimeter with USB connectivity.
See Victor 70C/Info for more information about the USB connection.
Hardware
- Fortune Semiconductor FS9922-DMM4 multimeter chip
- NXP HEF4066BT quadruple bilateral switches
- Microchip TC7660E charge pump DC-to-DC voltage converter
- Texas Instruments 27L2C precision dual op-amp
- Unknown USB interface chip (HID)
Photos
Device, front
PCB, front
PCB, bottom
DMM/LCD chip
NXP HEF4066BT
Microchip TC7660E
TI 27L2C
Protocol
14 bytes polled, likely based on the LCD segments.