0195136047.pdf

230 ANALOG BUILDING BLOCKS AND OPERATIONAL AMPLIFIERS

|A

|

|A

|

(log scale)

|A

|

−

−

−

−

−

−

−

|A

−|

θA

, deg

θA

θA

, deg

f, GHz

θA

+^90 −^90

+ −^90

90

0

9.6

9.8

10.4

10.3

10.1

10.0

(c)

10.2

9.7

9.9

10 7 5 4 3 2

0

100

100

1 k

10 k

100 k

(a)

10

f, Hz

10 1

|A

|

|A

|

θA

, deg

θA

+^900 −^90

10

2

10

3

10

4

10

5

10

100

1 k

100 k

10 k

(d)

1

f, Hz

10 1

|A

|

|A

|

θA

, deg

θA

+^900 −^90

100

100

1 k

10 k

100 k

100 M

1 M

10 M

(b)

10

f, Hz

(^101) Figure 5.1.3
Typical frequency response characteristics.
(a)
Audio amplifier
(b)
Video amplifier.
(c)
Bandpass amplifier.
(d)
Operational amplifier. Note the separate scales for
∣∣
∣ ̄∣A
and
θA
.