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LTC6412CUFPBF Datasheet(PDF) 10 Page - Linear Technology

Part # LTC6412CUFPBF
Description  800MHz, 31dB Range Analog-Controlled VGA
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC6412CUFPBF Datasheet(HTML) 10 Page - Linear Technology

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LTC6412
10
6412f
TYPICAL PERFORMANCE CHARACTERISTICS
2nd Harmonic Distortion vs
Control Voltage Over POUT
140MHz Noise Figure vs Gain
Setting Over Temperature
Output P1dB at GMAX vs Frequency
Over Supply Voltage
Input and Output P1dB vs Gain
Setting at 140MHz
140MHz Sideband Noise Near
GMAX at POUT = +8dBm
2nd Harmonic vs Distortion vs
Control Voltage Over Frequency
3rd Harmonic Distortion vs
Control Voltage Over Frequency
Noise Figure at GMAX vs
Frequency Over Temperature
Electrical Performance in Test Circuits A and B at TA = 25°C and VCC = 3.3V unless otherwise noted.
3rd Harmonic Distortion vs
Control Voltage Over POUT
–VG VOLTAGE (V)
0
–120
–100
–80
–60
–40
–20
0.2
GMAX
GMIN
0.4
0.6
0.8
6412 G19
1.0
1.2
POUT = 0dBm
FREQ = 280MHz
FREQ = 140MHz
FREQ = 70MHz
–VG VOLTAGE (V)
0
–120
–100
–80
–60
–40
–20
0.2
GMAX
GMIN
0.4
0.6
0.8
6412 G20
1.0
1.2
POUT = 0dBm
FREQ = 280MHz
FREQ = 70MHz
FREQ = 140MHz
FREQUENCY (MHz)
0
8
10
12
300
6412 G21
6
4
100
200
400
250
50
150
350
2
0
14
85°C
–40°C
25°C
–VG VOLTAGE (V)
0
–120
–100
–80
–60
–40
–20
0.2
GMAX
GMIN
0.4
0.6
0.8
6412 G22
1.0
1.2
FREQ = 140MHz
POUT = 3dBm
POUT = 0dBm
POUT = –3dBm
INPUT
ATTENUATOR
LIMITED
–VG VOLTAGE (V)
0
–120
–100
–80
–60
–40
–20
0.2
GMAX
GMIN
0.4
0.6
0.8
6412 G23
1.0
1.2
FREQ = 140MHz
INPUT
ATTENUATOR
LIMITED
POUT = 3dBm
POUT = –3dBm
POUT = 0dBm
GAIN SETTING (dB)
–20
25
30
35
20
6412 G24
20
15
0
–10
0
10
–15
–5
5
15
10
5
45
85°C
40
–40°C
25°C
FREQUENCY (MHz)
0
0
2
6
8
10
20
3.6V
3.3V
14
100
200
250
6412 G25
4
16
18
12
50
150
300 350
400
3V
GAIN SETTING (dB)
–20
10
15
20
–5
5
20
6412 G26
5
0
–5
–15 –10
0
10
15
INPUT P1dB
OUTPUT P1dB
INPUT
ATTENUATOR
LIMITED
OUTPUT
AMPLIFIER
LIMITED
OFFSET FROM 140MHz (Hz)
–20000
20000
–60
–40
–20
6412 G27
–80
–100
–10000
10000
0
–120
–140
0
GAIN = GMAX – 2dB



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