Difference between revisions of "OPTOFAST-2 Assembly Sheet"

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

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+[[FILE:OPTOFAST-2_REV1_CAD.PNG]]
 * [http://land-boards.com/OPTOFAST-2/OPTOFAST-2_REV1_ibom.html Interactive BOM]
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 | Q1, Q2, Q3, Q4
-| DNP(2N3904)
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+== 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