v 20040111 1
N 13200 17800 13900 17800 4
N 13900 17800 13900 18100 4
N 12200 17800 12200 18700 4
C 14500 17700 1 0 0 gnd-1.sym
C 14400 18100 1 90 0 NPN-1.sym
{
T 13900 19000 5 10 0 1 90 0 1
refdes=Q1
T 14400 18100 5 10 0 1 0 0 1
footprint=TO264S_BD245
T 13000 19000 5 10 1 1 0 0 1
value=BD245
}
C 13200 17200 1 90 0 NPN-1.sym
{
T 12700 18100 5 10 0 1 90 0 1
refdes=Q2
T 13700 17500 5 10 1 1 180 0 1
value=BD137
T 13200 17200 5 10 0 1 0 0 1
footprint=TO126S_BD137
}
C 9500 16800 1 0 0 BC547-1.sym
{
T 10400 17300 5 10 0 1 0 0 1
refdes=Q3
T 9500 16800 5 10 0 1 0 0 1
footprint=TO92_BC5x7
}
C 10600 18700 1 180 1 BC557-2.sym
{
T 11500 18200 5 10 0 1 180 6 1
refdes=Q4
T 10600 18700 5 10 0 1 0 0 1
footprint=TO92_BC5x7
}
C 10200 17800 1 90 0 resistor-2.sym
{
T 9900 18000 5 10 1 1 90 0 1
refdes=R9
T 9600 18400 5 10 1 1 0 0 1
value=47K
T 10200 17800 5 10 0 1 0 0 1
footprint=R0w8
}
N 10600 18200 10600 17800 4
N 10600 17800 10100 17800 4
C 11300 16800 1 90 0 resistor-2.sym
{
T 11700 17500 5 10 1 1 180 0 1
refdes=R10
T 11300 16700 5 10 1 1 0 0 1
value=4K7 [5K6]
T 11300 16800 5 10 0 1 0 0 1
footprint=R0w8
}
C 10000 15900 1 90 0 resistor-2.sym
{
T 10300 16300 5 10 1 1 180 0 1
refdes=R11
T 10100 16500 5 10 1 1 0 0 1
value=1K
T 10000 15900 5 10 0 1 0 0 1
footprint=R0w8
}
N 9900 16800 11200 16800 4
C 9800 15600 1 0 0 gnd-1.sym
N 11200 17700 11900 17700 4
N 11900 17700 11900 17000 4
N 11900 17000 12700 17000 4
N 12700 17000 12700 17200 4
N 13400 18700 9000 18700 4
N 9500 17300 9000 17300 4
T 9100 18800 9 10 1 0 0 0 1
Vcc 
T 9000 17500 9 10 1 0 0 0 1
Vdac
T 14600 18400 9 10 1 0 0 0 1
Vout
N 14400 18700 14700 18700 4
N 14600 18000 14600 18200 4
N 14600 18200 14700 18200 4