Strobe Circuit
This is the meat of the whole project. In the final design, there will be one to ten of these feeding off of the Trigger Circuit. The ASCII representation below and the circuit in general are slightly modified from Sam’s Strobe FAQ.
S1 D1 R2
H o--/ --+---|>|---+--///--+---------+------+--------+-------------------+
| | | | | | FL1 |
| +| | | | | |
| _|_ | +++ +|
| ___ C1 | R6 / |o| IL1 / R3 _|_
| | | |o| | | |
| -| | | +++ | || |
| R1 | +| | | | T2 || |
N o------|--//---+ __|__ | | | C4 +--|| |
| | _____ C3 +------+ +-----+--||--+ ::( || |
| +| | | | | | ::( || _ |
| _|_ -| | | | +-+ ::( |_|_|
| ___ C2 | | )::( |
| | | / R7 / R4 | SCR1 )::( |
| -| | __|__ )::( -|
| D2 | | | | ___/ +-+ +-+ |
+---|<|---+---------+ | | / | | | |
| | R5 | | | | | |
+---------+--//---+---|-+------+--------+ |
Doubler | | |
+-------------|----+----------------+
| |
C5 | |
T+ o---||---+ |
|
C6 |
T- o---||--------+
Parts List
- S1
- SPST switch
- D1
- 1N4005 diode
- D2
- 1N4005 diode
- R1
- 27 ohm, 5W resistor
- R2
- 250 ohm, 10W resistor
- R3
- 1.5M ohm resistor
- R4
- 3M ohm resistor
- R5
- 1.5M ohm resistor
- R6
- 91K ohm resistor
- R7
- 180K ohm resistor
- C1
- 25 uF, 200 V capacitor
- C2
- 25 uF, 200V capacitor
- C3
- 400 uF, 450V capacitor
- C4
- .1 uF capacitor
- C5
- .001 uF, 600V capacitor
- C6
- .001 uF, 600V capacitor
- IL1
- Neon lamp
- FL1
- Flash Lamp
- SCR1
- SCR
Connections
- H
- Hot AC 115V
- N
- Neutral AC 115V
- T+
- Output of trigger circuit
- T-
- Ground common to trigger and strobe
