EL4501 Просмотр технического описания (PDF) - Intersil

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EL4501

Video Front End

Intersil 

Typical Performance Curves (Continued)

EL4501

4

RF=2kΩ

2

RF=1kΩ

0

RF=500Ω

-2

-4 AV=2

RL=150Ω

-6

100K

1M

10M

FREQUENCY (Hz)

100M

FIGURE 5. FREQUENCY RESPONSE FOR VARIOUS RF

4

CL=100pF

2

CL=68pF

CL=47pF

0

-2

VREF_IN=1.3V

-4

RF=1kΩ

RL=150Ω

AV=2

-6

100K

1M

CL=15pF

CL=0pF

10M

FREQUENCY (Hz)

100M

FIGURE 7. FREQUENCY RESPONSE FOR VARIOUS CL

90

GAIN

70 RL=10kΩ

50

GAIN

30 RL=150Ω

10

0

PHASE

RL=150Ω

-45

PHASE

RL=10kΩ

-90

-135

-180

-10

1K

10K 100K

1M

10M

FREQUENCY (Hz)

-270

100M

FIGURE 9. OPEN LOOP GAIN AND PHASE vs FREQUENCY

4

RL=10kΩ

2

RL=150Ω

0

RL=75Ω

-2

-4 AV=2

RF=1kΩ

-6

100K

1M

10M

FREQUENCY (Hz)

100M

FIGURE 6. FREQUENCY RESPONSE FOR VARIOUS RL

100 AV=1

RF=0Ω

10

1

0.1

10K

100K

1M

10M

FREQUENCY (Hz)

100M

FIGURE 8. CLOSED LOOP OUTPUT IMPEDANCE

10

-10

-30

CMRR

-50

-70

1K

10K

PSRR

VS

100K

1M

FREQUENCY (Hz)

PSRR

VSD

10M 100M

FIGURE 10. PSRR AND CMRR vs FREQUENCY - VIDEO AMP

5

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