HA5023/883 View Datasheet(PDF) - Intersil

Part Name

Description

MFG CO.

HA5023/883

Dual 125MHz Video Current Feedback Amplifier

Intersil 

TM

HA5023

DESIGN INFORMATION

January 1995

Dual 125MHz Video Current

Feedback Amplifier

The information contained in this section has been developed through characterization by Intersil Corporation and is for use as application

and design information only. No guarantee is implied.

Typical Performance Curves VSUPPLY = ±5V, AV = +1, RF = 1kΩ, RL = 400Ω, TA = 25oC, Unless Otherwise Specified.

+5

+4

+3

VOUT = 0.2VP-P

CL = 10pF

AV = 2, RF = 681Ω

+2

AV = 5, RF = 1kΩ

+1

0

-1

-2

-3

AV = 10, RF = 383Ω

-4

-5

2

10

FREQUENCY (MHz)

AV = 1, RF = 1kΩ

100

200

FIGURE 1. NON-INVERTING FREQENCY RESPONSE

0

-45

-90

-135

-100

AV = +1, RF = 1kΩ +180

+135

+90

AV = -1, RF = 750Ω

AV = +10, RF = 383Ω

+45

0

-225

-45

-270

-315

-360

VOUT = 0.2VP-P

CL = 10pF

AV = -10, RF = 750Ω

-90

-135

-180

2

10

100 200

FREQUENCY (MHz)

FIGURE 3. PHASE RESPONSE AS A FUNCTION OF FREQUENCY

+5

+4

+3

+2

+1

0

-1

-2

-3

-4

-5

2

VOUT = 0.2VP-P

CL = 10pF

RF = 750Ω

AV = -10

AV = -5

10

FREQUENCY (MHz)

AV = -1

AV = -2

100

200

FIGURE 2. INVERTING FREQUENCY RESPONSE

140

VOUT = 0.2VP-P

CL = 10pF

AV = +1

130

120

-3dB BANDWIDTH

10

5

GAIN PEAKING

500

700

900

1100

1300

FEEDBACK RESISTOR (Ω)

0

1500

FIGURE 4. BANDWIDTH AND GAIN PEAKING vs FEEDBACK

RESISTANCE

9

Share Link: