Keithley 615 PC218 Replacement Board
About the Keithley 615 PC218 Replacement Board
Keithley 615 PC218 Replacement Board is an open source PCB design by farlepet, published on GitHub under the MIT license. It is a 2-layer board measuring 90.5 × 39 mm, with 53 components from 9 distinct parts.
Other key parts include the 4010. By type, the board carries 30 resistors, 15 transistors, 4 test points, 3 ICs and 1 connector.
From the project
Drop-in replacements for the buffer/printer boards for the Keithley 615 Electrometer
Keithley 615 Electrometer Printer Board Recreation ==================================================
This repo contains modern reproductions of the buffer/printer PCBs (PC209, PC218) for the Keithley 615 electrometer.
- PC218 - Signal inverter/buffer board - Recreation of the origional PC218 schematic using modern SMD components is in the PC218 directory - A simplified version using more modern ICs can be found in the PC218v2 directory - PC209 - Signal inverter/buffer and trigger board - Simplified version of the origional board can be found in the PC209 directory - Same inverter/buffer…
Main components on the Keithley 615 PC218 Replacement Board
Keithley 615 PC218 Replacement Board bill of materials (BOM)
53 components, 9 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 4010 | SOIC-16_3.9x9.9mm_P1.27mm | U1, U2, U3 |
| 15 | BC848W | SOT-323_SC-70 | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +7 |
| 1 | PC218_BoardEdge_44pin | PC218_Edge_Connector | J1 |
| 1 | -15V | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | TP1 |
| 1 | GND | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | TP2 |
| 1 | 3.6V | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | TP3 |
| 1 | 15V | TestPoint_THTPad_2.0x2.0mm_Drill1.0mm | TP4 |
| 15 | 180K | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +7 |
| 15 | 120K | R_0603_1608Metric | R16, R17, R18, R19, R20, R21, R22, R23 +7 |
Keithley 615 PC218 Replacement Board design files
The KiCad project lives in the farlepet/keithley-615-printer-boards repository on GitHub; these links point at the commit this page was built from.
- LayoutPC218v2/PC218v2.kicad_pcb
- SchematicPC218v2/PC218v2.kicad_sch
Keithley 615 PC218 Replacement Board: common questions
How big is the Keithley 615 PC218 Replacement Board?
The Keithley 615 PC218 Replacement Board measures 90.5 × 39 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Keithley 615 PC218 Replacement Board?
53 components, from 9 distinct parts. The full bill of materials is listed on this page.
Where can I download the Keithley 615 PC218 Replacement Board design files?
From the farlepet/keithley-615-printer-boards repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Keithley 615 PC218 Replacement Board design in my own project?
Yes, under the terms of its MIT license, which farlepet chose for the repository.
More boards in keithley-615-printer-boards
Earlier revisions in the repo: PC218