HA5022/883 Ver la hoja de datos (PDF) - Harris Semiconductor
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HA5022/883 Datasheet PDF : 22 Pages
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SEMICONDUCTOR
HA5022
DESIGN INFORMATION
January 1995
Dual 125MHz Video Current
Feedback Amplifier with Disable
The information contained in this section has been developed through characterization by Harris Semiconductor 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
VOUT = 0.2VP-P
CL = 10pF
+3
AV = 2, RF = 681Ω
+2
AV = 5, RF = 1kΩ
+1
AV = 1, RF = 1kΩ
0
-1
-2
-3
AV = 10, RF = 383Ω
-4
-5
2
10
100
200
FREQUENCY (MHz)
FIGURE 1. NON-INVERTING FREQUENCY RESPONSE
0
-45
-90
-135
-100
-225
AV = +1, RF = 1kΩ
AV = -1, RF = 750Ω
AV = +10, RF = 383Ω
+180
+135
+90
+45
0
-45
-270
-315
-360
VOUT = 0.2VP-P
CL = 10pF
AV = -10, RF = 750Ω
2
10
100
FREQUENCY (MHz)
-90
-135
-180
200
FIGURE 3. PHASE RESPONSE AS A FUNCTION OF
FREQUENCY
100
VOUT = 0.2VP-P
CL = 10pF
AV = +2
95
-3dB BANDWIDTH
90
10
+5
+4
VOUT = 0.2VP-P
CL = 10pF
+3
RF = 750Ω
+2
+1
0
AV = -1
AV = -2
-1
-2
AV = -10
-3
AV = -5
-4
-5
2
10
100
200
FREQUENCY (MHz)
FIGURE 2. INVERTING FREQUENCY RESPONSE
140
VOUT = 0.2VP-P
CL = 10pF
130
AV = +1
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
130
120
-3dB BANDWIDTH
110
6
100
4
5
GAIN PEAKING
0
350
500
650
800
950
1100
FEEDBACK RESISTOR (Ω)
FIGURE 5. BANDWIDTH AND GAIN PEAKING vs FEEDBACK
RESISTANCE
90
GAIN PEAKING
VOUT = 0.2VP-P 2
CL = 10pF
AV = +1
80
0
0
200
400
600
800
1000
LOAD RESISTOR (Ω)
FIGURE 6. BANDWIDTH AND GAIN PEAKING vs LOAD
RESISTANCE
10
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