Difference between revisions of "OPTOFAST-2 Assembly Sheet"
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| + | [[FILE:OPTOFAST-2_REV1_CAD.PNG]] | ||
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* [http://land-boards.com/OPTOFAST-2/OPTOFAST-2_REV1_ibom.html Interactive BOM] | * [http://land-boards.com/OPTOFAST-2/OPTOFAST-2_REV1_ibom.html Interactive BOM] | ||
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** RDIR = DNP (OPEN) | ** RDIR = DNP (OPEN) | ||
** RBAS = 10K | ** RBAS = 10K | ||
| − | * Q1-Q4 = 2N3904 installed | + | ** Q1-Q4 = 2N3904 installed |
| + | ** GDEM = Open | ||
* 3.3V transistor drive | * 3.3V transistor drive | ||
** RPWR = 100 | ** RPWR = 100 | ||
** RDIR = DNP (OPEN) | ** RDIR = DNP (OPEN) | ||
** RBAS = 10K | ** RBAS = 10K | ||
| − | * Q1-Q4 = 2N3904 installed | + | ** Q1-Q4 = 2N3904 installed |
| + | ** GDEM = Open | ||
* Direct Input | * Direct Input | ||
** RPWR = OPEN | ** RPWR = OPEN | ||
** RDIR = 180 (5V) | ** RDIR = 180 (5V) | ||
** RBAS = OPEN | ** RBAS = OPEN | ||
| − | * Q1-Q4 = Not installed | + | ** Q1-Q4 = Not installed |
| + | ** GDEM = Jumper installed | ||
=== Output Pullup Resistors === | === Output Pullup Resistors === | ||
| Line 103: | Line 108: | ||
** RCOL = OPEN | ** RCOL = OPEN | ||
| − | + | === Fast option (standard) === | |
* RFST = 20K | * RFST = 20K | ||
Latest revision as of 14:45, 30 March 2023
| Find | Qty | Ref Des | Part Number | Find | Qty | Ref Des | Part Number | |
|---|---|---|---|---|---|---|---|---|
| 7 | 4 | R1, R4, R7, R10 | RPWR | 6 | 4 | Q1, Q2, Q3, Q4 | 2N3904 | |
| 8 | 4 | R2, R5, R8, R11 | RDIR | 12 | 4 | U1, U2, U3, U4 | 4N26 | |
| 9 | 4 | R3, R6, R9, R12 | RBAS | 3 | 4 | H1, H2, H3, H4 | GDEM | |
| 10 | 4 | R13, R14, R15, R16 | RFST | 5 | 2 | P1, P2 | CONN_01X08 | |
| 11 | 4 | R17, R18, R19, R20 | RCOL |
Contents
Resistor Options
- R1, R4, R7, R10 - RPWR - Power to optocoupler input Anode (+)
- R2, R5, R8, R11 - RDIR - Direct drive optocoupler input Anode (+)
- Q1-Q4 - 2N3904 - Drive transistor
- R3, R6, R9, R12 - RBAS - Transistor base drive resistor
- H1, H2, H3, H4 - GDEM - Ground Cathode directly to ground
- R13, R14, R15, R16 - RFST - Faster output resistor
- R17, R18, R19, R20 - RCOL - Output collector pull-up resistor
Tindie Options
- Input and output options
Input Drive
- 5V transistor drive
- RPWR = 180
- RDIR = DNP (OPEN)
- RBAS = 10K
- Q1-Q4 = 2N3904 installed
- GDEM = Open
- 3.3V transistor drive
- RPWR = 100
- RDIR = DNP (OPEN)
- RBAS = 10K
- Q1-Q4 = 2N3904 installed
- GDEM = Open
- Direct Input
- RPWR = OPEN
- RDIR = 180 (5V)
- RBAS = OPEN
- Q1-Q4 = Not installed
- GDEM = Jumper installed
Output Pullup Resistors
- Drive output
- RCOL = 2.2K
- Open collector
- RCOL = OPEN
Fast option (standard)
- RFST = 20K
