LTC6605-7 Linear Technology, LTC6605-7 Datasheet - Page 13

• Manufacturer Part Number: LTC6605-7
• Description: Dual Matched 7MHz Filter
• Manufacturer: Linear Technology

APPLICATIONS INFORMATION
–10
–20
–30
–40
–50
10
20
0
0.1
80.6Ω
80.6Ω
10
11
1
1
2
4
5
7
8
±0.4dB 6.7MHz PASSBAND
GAIN = 1V/ V (0dB)
Z
IN
Gain Response
FREQUENCY (MHz)
= 800Ω
–100
–150
–200
–250
–50
+
–
+
–
0
0.1
10
Phase and Group Delay Response
GROUP DELAY
Figure 5. Flat Passband 6.7MHz Filter Confi gurations with Some External Resistors
66057 F05a
100
1
FREQUENCY (MHz)
22
18
16
12
66057 F05d
1000
10
100
–10
–20
–30
–40
–50
40.2Ω
40.2Ω
40.2Ω
40.2Ω
10
PHASE
20
0
0.1
66057 F05g
1000
35
30
25
20
15
10
5
0
10
11
1
2
4
5
7
8
±0.4dB 6.7MHz PASSBAND
GAIN = 2.85V/ V (9.1dB)
Z
1
IN
Gain Response
FREQUENCY (MHz)
= 280Ω
+
–
+
–
10
100mV/DIV
66057 F05b
100
22
18
16
12
GAIN = 1V/ V
66057 F05e
Small Signal Step Response
1000
20ns/DIV
–10
–20
–30
–40
–50
10
20
0
0.1
40.2Ω
40.2Ω
40.2Ω
40.2Ω
10
11
1
2
4
5
7
8
±0.4dB 6.7MHz PASSBAND
GAIN = 3.85V/ V (11.7dB)
Z
IN
1
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Gain Response
= 208Ω
FREQUENCY (MHz)
66057 G05h
+
–
+
–
LTC6605-7
10
66057 F05c
100
22
18
16
12
13
66057 F05f
66057f
1000