J
Jamie
- Jan 1, 1970
- 0
I did up a driver amp for an injector and first I need some opinions
if the think the valve is going to drop out between pulses. I am at home
at the moment and did not bring with me any injectors to work with.
I have the amp absorbing the wheeling voltage instead of using a
diode, would like some feed back on that.
P.S.
THis amp is design the drive the coil low or high, only one side does
the work depending on how the coil is connected on the other side, (+)
or common.
Version 4
SHEET 1 880 680
WIRE 320 -192 -272 -192
WIRE 592 -192 320 -192
WIRE 608 -192 592 -192
WIRE -272 -144 -272 -192
WIRE 320 -96 320 -192
WIRE 320 -96 240 -96
WIRE -272 -48 -272 -64
WIRE 176 -48 144 -48
WIRE 320 -48 320 -96
WIRE 144 -32 144 -48
WIRE 256 0 240 0
WIRE 32 16 -144 16
WIRE 80 16 32 16
WIRE -144 32 -144 16
WIRE -144 32 -176 32
WIRE 592 32 592 -192
WIRE 144 80 144 64
WIRE 320 80 320 48
WIRE 320 80 144 80
WIRE 320 192 320 80
WIRE 352 192 320 192
WIRE 592 192 592 112
WIRE 592 192 352 192
WIRE 656 288 528 288
WIRE 528 320 528 288
WIRE 320 336 320 192
WIRE 320 336 224 336
WIRE 656 336 656 288
WIRE 32 384 32 16
WIRE 160 384 112 384
WIRE 320 384 320 336
WIRE -176 432 -176 32
WIRE -176 432 -304 432
WIRE 256 432 224 432
WIRE 528 432 528 400
WIRE 656 432 656 416
WIRE 320 512 320 480
FLAG 320 512 0
FLAG -272 -48 0
FLAG -304 512 0
FLAG 352 192 MIN
FLAG 528 432 0
FLAG 656 432 0
FLAG 672 16 Injector_coil
SYMBOL voltage -272 -160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL Misc\\signal -304 416 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 10 0 100u 100u 8ms 10ms 1000)
SYMBOL npn 256 384 R0
SYMATTR InstName Q3
SYMATTR Value FZT849
SYMBOL npn 256 -48 R0
SYMATTR InstName Q1
SYMATTR Value FZT849
SYMBOL pnp 176 0 M180
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL pnp 160 432 M180
SYMATTR InstName Q4
SYMATTR Value 2N2907
SYMBOL npn 80 -32 R0
SYMATTR InstName Q5
SYMBOL res 16 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL ind2 576 16 R0
SYMATTR InstName L1
SYMATTR Value 10mh
SYMATTR Type ind
SYMATTR SpiceLine Rser=2
SYMBOL ind2 512 304 R0
SYMATTR InstName L2
SYMATTR Value 100mh
SYMATTR Type ind
SYMBOL res 640 320 R0
SYMATTR InstName R2
SYMATTR Value 1k
TEXT -328 -216 Left 2 !.tran 0 .100 0 startup
TEXT -408 -176 Left 2 !K1 L1 L2 .9
jamie
if the think the valve is going to drop out between pulses. I am at home
at the moment and did not bring with me any injectors to work with.
I have the amp absorbing the wheeling voltage instead of using a
diode, would like some feed back on that.
P.S.
THis amp is design the drive the coil low or high, only one side does
the work depending on how the coil is connected on the other side, (+)
or common.
Version 4
SHEET 1 880 680
WIRE 320 -192 -272 -192
WIRE 592 -192 320 -192
WIRE 608 -192 592 -192
WIRE -272 -144 -272 -192
WIRE 320 -96 320 -192
WIRE 320 -96 240 -96
WIRE -272 -48 -272 -64
WIRE 176 -48 144 -48
WIRE 320 -48 320 -96
WIRE 144 -32 144 -48
WIRE 256 0 240 0
WIRE 32 16 -144 16
WIRE 80 16 32 16
WIRE -144 32 -144 16
WIRE -144 32 -176 32
WIRE 592 32 592 -192
WIRE 144 80 144 64
WIRE 320 80 320 48
WIRE 320 80 144 80
WIRE 320 192 320 80
WIRE 352 192 320 192
WIRE 592 192 592 112
WIRE 592 192 352 192
WIRE 656 288 528 288
WIRE 528 320 528 288
WIRE 320 336 320 192
WIRE 320 336 224 336
WIRE 656 336 656 288
WIRE 32 384 32 16
WIRE 160 384 112 384
WIRE 320 384 320 336
WIRE -176 432 -176 32
WIRE -176 432 -304 432
WIRE 256 432 224 432
WIRE 528 432 528 400
WIRE 656 432 656 416
WIRE 320 512 320 480
FLAG 320 512 0
FLAG -272 -48 0
FLAG -304 512 0
FLAG 352 192 MIN
FLAG 528 432 0
FLAG 656 432 0
FLAG 672 16 Injector_coil
SYMBOL voltage -272 -160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL Misc\\signal -304 416 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 10 0 100u 100u 8ms 10ms 1000)
SYMBOL npn 256 384 R0
SYMATTR InstName Q3
SYMATTR Value FZT849
SYMBOL npn 256 -48 R0
SYMATTR InstName Q1
SYMATTR Value FZT849
SYMBOL pnp 176 0 M180
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL pnp 160 432 M180
SYMATTR InstName Q4
SYMATTR Value 2N2907
SYMBOL npn 80 -32 R0
SYMATTR InstName Q5
SYMBOL res 16 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL ind2 576 16 R0
SYMATTR InstName L1
SYMATTR Value 10mh
SYMATTR Type ind
SYMATTR SpiceLine Rser=2
SYMBOL ind2 512 304 R0
SYMATTR InstName L2
SYMATTR Value 100mh
SYMATTR Type ind
SYMBOL res 640 320 R0
SYMATTR InstName R2
SYMATTR Value 1k
TEXT -328 -216 Left 2 !.tran 0 .100 0 startup
TEXT -408 -176 Left 2 !K1 L1 L2 .9
jamie