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-
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCC_Power
Vout
0
VCC_PowerVCC_Signal
VEE_powerVEE_Signal
VEE_power
Vin
0
0
V_opamp
0
FH
VEE_power
VCC_Power
0
+
C21000u
+
C21000u
+
R162.7k
+
R162.7k
+3
-2
V+
4V
-11
OUT 1
U3A
TL084
U3A
TL084
+
R100.47
+
R100.47
R1710k
R1710k
Q4
Q2N3904
Q4
Q2N3904
+
R70.47
+
R70.47
+ IC= 10IC= 10
Q1
TIP102
Q1
TIP102
+
R24
10k+
R24
10k
INOUT
GND
U1
LM7815CINOUT
GND
U1
LM7815C
-
+
Tran
sien
t An
alys
is
V4AMPLITUDE = 5FREQUENCY = 10k
-
+
Tran
sien
t An
alys
is
V4AMPLITUDE = 5FREQUENCY = 10k
+
-
V1DC = 18
+
-
V1DC = 18
+
-
V2DC = 18
+
-
V2DC = 18INOUT
GND
U2LM7915C
INOUT
GND
U2LM7915C
+
R52.7k
+
R52.7k
Sweep
+
-
AC
V3Magnitude = 1Phase = 0Sweep
+
-
AC
V3Magnitude = 1Phase = 0
Q3
TIP107
Q3
TIP107
+
C11000u
+
C11000u
+
R2510k
+
R2510k
+R23
4
+R23
4
Problem 1
-
Date/Time run: 10/31/04 ** Profile: "SCHEMATIC1-AC Sweep" [ C:\Website\Rose_Classes\ECE454\Homework\Fall 2004\HW6\push-pull amp ...
Temperature: 27.0
Date: October 31, 2004 Page 1 Time: 17:51:29
(A) AC Sweep.dat (active)
Frequency
1.0Hz 10Hz 100Hz 1.0KHz 10KHz 100KHz 1.0MHz 10MHz 100MHzVdB(FH)
-100
0
100
(1.1338M,-232.537m)
VP(FH)-400d
-300d
-200d
-100d
0d
SEL>>
(1.0212M,-224.117)
-
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCC_Power
Vout
0
VCC_Power
VEE_power
VEE_power
Vin
0
0
V_opamp
0
FH
VEE_power
VCC_Power
+
R162.7k
+
R162.7k
+3
-2
V+
4V
-11
OUT 1
U3A
TL084
U3A
TL084
+
R100.47
+
R100.47
R1710k
R1710k
Q4
Q2N3904
Q4
Q2N3904
+
R70.47
+
R70.47
+ IC= 0IC= 0
Q1
TIP102
Q1
TIP102
+
R24
10k+
R24
10k
-
+
Tran
sien
t An
alys
is
V4AMPLITUDE = 5FREQUENCY = 10k
-
+
Tran
sien
t An
alys
is
V4AMPLITUDE = 5FREQUENCY = 10k
+
-
V1DC = 18
+
-
V1DC = 18
+
-
V2DC = 18
+
-
V2DC = 18
+
R52.7k
+
R52.7k
Sweep
+
-
AC
V3Magnitude = 1Phase = 0Sweep
+
-
AC
V3Magnitude = 1Phase = 0
Q3
TIP107
Q3
TIP107
+
R2510k
+
R2510k
+R23
4
+R23
4
-
Date/Time run: 10/31/04 ** Profile: "SCHEMATIC1-Trans" [ C:\Website\Rose_Classes\ECE454\Homework\Fall 2004\HW6\push-pull amp fee...
Temperature: 27.0
Date: October 31, 2004 Page 1 Time: 17:58:17
(A) Trans.dat (active)
Time
0s 50us 100us 150us 200usV(Vout)
-12V
-8V
-4V
0V
4V
8V
12V
-
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCC_Power
Vout
0
VCC_PowerVCC_Signal
VEE_powerVEE_Signal
VEE_power
Vin
0
0
V_opamp
0
FH
VEE_power
VCC_Power
0
+
C21000u
+
C21000u
+
R162.7k
+
R162.7k
+3
-2
V+
4V
-11
OUT 1
U3A
TL084
U3A
TL084
+
R100.47
+
R100.47
R1710k
R1710k
Q4
Q2N3904
Q4
Q2N3904
+
R70.47
+
R70.47
+ IC= 10IC= 10
Q1
TIP102
Q1
TIP102
+
R24
10k+
R24
10k
INOUT
GND
U1
LM7815CINOUT
GND
U1
LM7815C
-
+
Tran
sien
t An
alys
is
V4AMPLITUDE = 5FREQUENCY = 10k
-
+
Tran
sien
t An
alys
is
V4AMPLITUDE = 5FREQUENCY = 10k
+
-
V1DC = 18
+
-
V1DC = 18
+
-
V2DC = 18
+
-
V2DC = 18INOUT
GND
U2LM7915C
INOUT
GND
U2LM7915C
+
R52.7k
+
R52.7k
Sweep
+
-
AC
V3Magnitude = 1Phase = 0Sweep
+
-
AC
V3Magnitude = 1Phase = 0
Q3
TIP107
Q3
TIP107
+
C11000u
+
C11000u
+
R25720
+
R25720
+R23
4
+R23
4
-
Date/Time run: 10/31/04 ** Profile: "SCHEMATIC1-AC Sweep" [ C:\Website\Rose_Classes\ECE454\Homework\Fall 2004\HW6\push-pull amp ...
Temperature: 27.0
Date: October 31, 2004 Page 1 Time: 17:55:10
(A) AC Sweep.dat (active)
Frequency
1.0Hz 10Hz 100Hz 1.0KHz 10KHz 100KHz 1.0MHz 10MHz 100MHzVdB(FH)
-200
0
200
(470.682K,-54.858m)
VP(FH)-400d
-300d
-200d
-100d
0d
SEL>>
(470.682K,-126.997)
-
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
VCC_Power
Vout
0
VCC_Power
VEE_power
VEE_power
Vin
0
0
V_opamp
0
FH
VEE_power
VCC_Power
+
R162.7k
+
R162.7k
+3
-2
V+
4V
-11
OUT 1
U3A
TL084
U3A
TL084
+
R100.47
+
R100.47
R1710k
R1710k
Q4
Q2N3904
Q4
Q2N3904
+
R70.47
+
R70.47
+ IC= 0IC= 0
Q1
TIP102
Q1
TIP102
+
R24
10k+
R24
10k
-
+
Tran
sien
t An
alys
is
V4AMPLITUDE = .45FREQUENCY = 10k
-
+
Tran
sien
t An
alys
is
V4AMPLITUDE = .45FREQUENCY = 10k
+
-
V1DC = 18
+
-
V1DC = 18
+
-
V2DC = 18
+
-
V2DC = 18
+
R52.7k
+
R52.7k
Sweep
+
-
AC
V3Magnitude = 1Phase = 0Sweep
+
-
AC
V3Magnitude = 1Phase = 0
Q3
TIP107
Q3
TIP107
+
R25720
+
R25720
+R23
4
+R23
4
-
Date/Time run: 10/31/04 ** Profile: "SCHEMATIC1-Trans" [ C:\Website\Rose_Classes\ECE454\Homework\Fall 2004\HW6\push-pull amp fee...
Temperature: 27.0
Date: October 31, 2004 Page 1 Time: 18:00:13
(A) Trans.dat (active)
Time
0s 50us 100us 150us 200usV(Vout)
-8.0V
-4.0V
0V
4.0V
8.0V
-
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
0
VCC_sIGNAL
VEE_power
VCC_Power
Vin
0
Vin
Voff
VCC_Power
Vop
0
VCC_PowerVCC_Signal
VEE_powerVEE_Signal
VEE_power
0
0
VEE_power
VCC_Power
VEE_power
VCC_Power
Voff
0
Vinv
Voff
VCC_Power
Von
VEE_power
0
VEE_power
VCC_Power
VEE_power
VCC_Power
Vinv
0
+
R80.47
+
R80.47
+
R35
10k+
R35
10k
+
C41000u
+
C41000u
+
R110.47
+
R110.47
Q3
TIP102
Q3
TIP102
+
R2910k
+
R2910k
+
R31
10k+
R31
10k
INOUT
GND
U4
LM7815CINOUT
GND
U4
LM7815C
+
R27720
+
R27720
INOUT
GND
U5LM7915C
INOUT
GND
U5LM7915C
Q6
Q2N3904
Q6
Q2N3904
-
+
Tran
sien
t An
alys
is V10AMPLITUDE = 5FREQUENCY = 10k
-
+
Tran
sien
t An
alys
is V10AMPLITUDE = 5FREQUENCY = 10k
+
R394
+
R394
+
R36820
+
R36820
Q2
TIP102
Q2
TIP102
+
R182.7k
+
R182.7k
+
R9 0.47
+
R9 0.47
+ 10
- 9
V+
4V
-11
OUT8
U8C
TL084
U8C
TL084
+
-
V6DC = 18
+
-
V6DC = 18
+ R7
2.7k
+ R7
2.7k
+R37
10k
+R37
10k
+
-
V7DC = 18
+
-
V7DC = 18
+5
-6
V+
4V
-11
OUT 7
U8B
TL084
U8B
TL084
+
R12 0.47
+
R12 0.47
+5
-6
V+
4V
-11
OUT 7
U7B
TL084
U7B
TL084
Q5
TIP107
Q5
TIP107
R19
10k
R19
10k
Q7
TIP107
Q7
TIP107
+
R38 720
+
R38 720
+
R40
10k+
R40
10k
+3
-2
V+
4V
-11
OUT 1
U6A
TL084
U6A
TL084
+
R33820
+
R33820
+
R202.7k
+
R202.7k
+5
-6
V+
4V
-11
OUT 7
U9B
TL084
U9B
TL084
+
R3010k
+
R3010k
+
C31000u
+
C31000u
+
R3410k
+
R3410k
+R26
10k
+R26
10k
Q8
Q2N3904
Q8
Q2N3904
+
R3210k
+
R3210k
R21
10k
R21
10k
+
R62.7k
+
R62.7k
+
R41
10k+
R41
10k
-
Date/Time run: 10/31/04 ** Profile: "SCHEMATIC1-Trans" [ C:\Website\Rose_Classes\ECE454\Homework\Fall 2004\HW6\hw5-pspicefiles\s...
Temperature: 27.0
Date: October 31, 2004 Page 1 Time: 17:05:11
(A) Trans.dat (active)
Time
0s 50us 100us 150us 200usV(Vin) V(Vop,Von)
-12V
-8V
-4V
0V
4V
8V
12V
-
Vo
0
0 FH
Sweep
+
-
AC
V1Magnitude = 1Phase = 0Sweep
+
-
AC
V1Magnitude = 1Phase = 0
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)
1
15
-151
15
-15
0.010.01
Problem 2
-
Date/Time run: 11/01/05 ** Profile: "SCHEMATIC1-Gain" [ C:\Documents and Settings\herniter\My Documents\Website\Rose_Classes\ECE...
Temperature: 27.0
Date: November 01, 2005 Page 1 Time: 10:59:28
(A) Gain.dat (active)
Frequency
1.0Hz 100Hz 10KHz 1.0MHz 100MHz 10GHzP(V(FH))
-300d
-200d
-100d
-0d
(1.3396M,-180.060)
VdB(FH)-200
-100
0
100
SEL>>
(1.3397M,14.842)
herniterText BoxSince |FH(s)|>0 dB when the angle of FH(s)=-180,the amplifier is unstable.
-
Date/Time run: 11/01/05 ** Profile: "SCHEMATIC1-Gain" [ C:\Documents and Settings\herniter\My Documents\Website\Rose_Classes\ECE...
Temperature: 27.0
Date: November 01, 2005 Page 1 Time: 11:03:37
(B) Gain.dat (active)
Frequency
1.0Hz 100Hz 10KHz 1.0MHz 100MHz 10GHzP(V(FH))-90
-400d
-300d
-200d
-100d
-0d
(24.463K,-119.933)
herniterText BoxDraw the phase of FH(s) with -90 degrees added to the plot. Locate the frequency where the phase is -120 degrees. This is where we have a 60 degree phase margin. This is the frequency where we want |FH(s) = 0 dB, our crossover point.
-
herniterText Boxr/s
-
Vo
0
0 FH
Sweep
+
-
AC
V1Magnitude = 1Phase = 0Sweep
+
-
AC
V1Magnitude = 1Phase = 0
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)*(1+s/153.68)
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)*(1+s/153.68)
1
15
-151
15
-15
0.010.01
herniterText BoxCheck the gain and phase plots with the added pole.
-
Date/Time run: 11/01/05 ** Profile: "SCHEMATIC1-Gain" [ C:\Documents and Settings\herniter\My Documents\Website\Rose_Classes\ECE...
Temperature: 27.0
Date: November 01, 2005 Page 1 Time: 11:54:34
(A) Gain.dat (active)
Frequency
1.0Hz 100Hz 10KHz 1.0MHz 100MHz 10GHzP(V(FH))
-400d
-200d
0d
(22.759K,-117.812)
VdB(FH)-400
-200
0
200
SEL>>
(22.759K,15.626m)
herniterText BoxAt -117 Degrees, the |FH(s)| is approximately 0 dB. This amplifier is stable.
-
Vo
0 FH
Sweep
+
-
AC
V1Magnitude = 1Phase = 0Sweep
+
-
AC
V1Magnitude = 1Phase = 0
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)*(1+s/153.68)
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)*(1+s/153.68)
1
15
-151
15
-15
0.010.01
herniterText BoxClosed loop gain test.
-
Date/Time run: 11/01/05 ** Profile: "SCHEMATIC1-Gain" [ C:\Documents and Settings\herniter\My Documents\Website\Rose_Classes\ECE...
Temperature: 27.0
Date: November 01, 2005 Page 1 Time: 12:00:03
(C) Gain.dat (active)
Frequency
1.0Hz 100Hz 10KHz 1.0MHz 100MHz 10GHzV(Vo)
0
50
100
150
upper3dB(V(Vo)) = 39.17547k
P1
-
Vo
0 FH
0Sweep
+
-
AC
V1Magnitude = 1Phase = 0Sweep
+
-
AC
V1Magnitude = 1Phase = 0
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)
1
15
-151
15
-15
0.010.01
(1+s/4e5)
1
(1+s/4e5)
1
herniterText BoxDraw the phase plot with the first pole cancelled with the zero. Subtract 90 degrees from this plot to add the phase of the pole that we will add at low frequency. Locate the frequency where the phase is -120 degrees (the 60 degree phase margin). This is the frequency where we want the compensated FH(s) to = 1.
herniterText BoxLag-Lead Compensation
-
Date/Time run: 11/01/05 ** Profile: "SCHEMATIC1-Gain" [ C:\Documents and Settings\herniter\My Documents\Website\Rose_Classes\ECE...
Temperature: 27.0
Date: November 01, 2005 Page 1 Time: 12:12:07
(A) Gain.dat (active)
Frequency
1.0Hz 100Hz 10KHz 1.0MHz 100MHz 10GHzP(V(FH))-90
-280d
-240d
-200d
-160d
-120d
-80d
(91.411K,-120.471)
-
Vo
0 FH
0Sweep
+
-
AC
V1Magnitude = 1Phase = 0Sweep
+
-
AC
V1Magnitude = 1Phase = 0
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)
1
15
-151
15
-15
0.010.01
(1+s/4e5)
1+s/566.5
(1+s/4e5)
1+s/566.5
herniterText BoxCheck the gain and phase plots with the added pole and zero.
-
Date/Time run: 11/01/05 ** Profile: "SCHEMATIC1-Gain" [ C:\Documents and Settings\herniter\My Documents\Website\Rose_Classes\ECE...
Temperature: 27.0
Date: November 01, 2005 Page 1 Time: 12:28:31
(A) Gain.dat (active)
Frequency
1.0Hz 100Hz 10KHz 1.0MHz 100MHz 10GHzVP(FH)
-300d
-200d
-100d
-0d
(91.411K,-120.414)
VdB(FH)-200
-100
0
100
SEL>>
(91.411K,-1.3583)
herniterText BoxAt -120 Degrees, the |FH(s)| is less than 0 dB. This amplifier is stable.
-
Vo
0 FH
Sweep
+
-
AC
V1Magnitude = 1Phase = 0Sweep
+
-
AC
V1Magnitude = 1Phase = 0
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)
1e5
(1+s/4e5)*(1+s/1e6)*(1+s/5e7)
1
15
-151
15
-15
0.010.01
(1+s/4e5)
1+s/566.5
(1+s/4e5)
1+s/566.5
herniterText BoxClosed loop gain test.
-
Date/Time run: 11/01/05 ** Profile: "SCHEMATIC1-Gain" [ C:\Documents and Settings\herniter\My Documents\Website\Rose_Classes\ECE...
Temperature: 27.0
Date: November 01, 2005 Page 1 Time: 12:30:29
(B) Gain.dat (active)
Frequency
1.0Hz 100Hz 10KHz 1.0MHz 100MHz 10GHzV(Vo)
0
50
100
150
upper3dB(V(Vo)) = 127.12186k
P1
herniterText BoxWith lag-lead compensation, the amplifier has an upper -3dB point of 127 kHz. With dominant pole compensation, the amplifier has an upper -3 dB point of 39 kHz.
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