Difference between revisions of "OPTOFAST-2 Assembly Sheet"

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Line 84: Line 84:
 
** RDIR = DNP (OPEN)
 
** RDIR = DNP (OPEN)
 
** RBAS = 10K
 
** RBAS = 10K
 +
* Q1-Q4 - 2N3904 installed
 
* 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
 
* Direct Input
 
* Direct Input
 
** RPWR = 180
 
** RPWR = 180
 
** RBAS = OPEN
 
** RBAS = OPEN
 +
* Q1-Q4 -Nnot installed
  
 
=== Output Pullup Resistors ===
 
=== Output Pullup Resistors ===

Revision as of 20:46, 29 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

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
  • 3.3V transistor drive
    • RPWR = 100
    • RDIR = DNP (OPEN)
    • RBAS = 10K
  • Q1-Q4 - 2N3904 installed
  • Direct Input
    • RPWR = 180
    • RBAS = OPEN
  • Q1-Q4 -Nnot installed

Output Pullup Resistors

  • Drive output
    • RCOL = 2.2K
  • Open collector
    • RCOL = OPEN

= Fast option (standard)

  • RFST = 20K