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WMA Series SMT Magnetic Radio Imaging (MRI) Pre-Amplifiers

WMA series miniature low noise amplifiers are designed for growing demand in MRI pre-amplifer multiple chanels applications. The pre-amplifiers have as low as 0.5 Ohm imput impedance with unconditional stable design. The noise figure is 0.50 dB or lower and the reverse isolation as high as 70 dB.

Model
Application
Freq
(MHz)
Gain
(dB)
NF
(dB)
SWR1
Ratio
SWR2
Ratio
P1dB
(dBm)
OIP3
(dBm)
Zin
(Ohm)
Idd
(mA)
Vdd
(V)
Package
MRI
123.5
28.0
0.40
--
1.2:1
10.0
20.0
1.5
16
7-11
0.6"x0.4"
MRI
123.5
28.0
0.40
--
1.2:1
10.0
20.0
0.5
16
7-11
0.6"x0.4"
MRI
17.0
28.0
0.7
--
1.2:1
9.0
22.0
3.5
16
7-11
0.5"x0.4"
MRI
42.5
28.0
0.45
--
1.2:1
10.0
23.0
1.5
18
7-11
0.5"x0.4"
MRI
63.8
28.0
0.40
--
1.2:1
10
20.0
1.5
16
7-11
0.6"x0.4"
MRI
63.8
28.0
0.45
--
1.2:1
10
20.0
0.5
16
7-11
0.6"x0.4"
MRI
63.8
28.0
0.47
--
1.2:1
8.0
24.0
1.5
16
7-11
0.4"x0.25"
MRI
32.19
28.0
0.5
--
1.2:1
9.0
21.0
2.0
16
7-11
0.6"x0.4"
MRI
32.19
28.0
0.7
--
1.2:1
9.0
23.0
3.0
18
7-11
0.5"x0.4"
MRI
127.8
28.0
0.45
--
1.2:1
10
20.0
1.5
16
7-11
0.6"x0.4"
MRI
127.8
28.0
0.40
--
1.2:1
10.0
20.0
0.1
16
7-11
0.6"x0.4"
MRI
127.8
28.0
0.40
--
1.2:1
10
20.0
0.5
16
7-11
0.6"x0.4"
MRI
127.8
28.0
0.45
--
1.2:1
9.0
22.0
1.5
15
7-11
0.4"x0.25"
MRI
200
28.0
0.40
--
1.2:1
14.0
24.0
1.5
18
7-11
0.6"x0.4"
MRI
200
28.0
0.40
--
1.2:1
13.0
23.0
0.5
18
7-11
0.6"x0.4"
MRI
500.0
28.0
0.40
--
1.2:1
10.0
22.0
1.5
18
7-11
0.6"x0.4"
MRI
48-65
26.0
0.45
1.6:1
1.3:1
12.0
26.0
50
40
7-35
MRI
48-65
26.0
0.45
1.6:1
1.3:1
12.0
26.0
50
40
7-35
PCB Only
MRI
198~302
26.5
0.40
1.2:1
1.4:1
12.0
20.0
50
45
7-16
MRI
198~302
26.5
0.40
1.2:1
1.4:1
12.0
20.0
50
45
5.0
MRI
120-130
26.0
0.45
1.6:1
1.3:1
12.0
26.0
50
40
7-35
MRI
120-130
26.0
0.45
1.6:1
1.3:1
12.0
26.0
50
40
7-35
PCB Only
MRI
600.0
28.0
0.45
--
1.2:1
11.0
22.0
1.5
16
7-11
0.6"x0.4"
MRI
60.1
28.0
0.45
--
1.2:1
15.0
24.0
1.5
16
7-11
0.6"x0.4"
MRI
74.9
28.0
0.5
--
1.2:1
10.0
24.0
1.5
18
7-11
0.6"x0.4"
MRI
298
28.0
0.40
--
1.2:1
10.0
20.0
1.5
18
7-11
0.6"x0.4"
MRI
298
28.0
0.40
--
1.2:1
10.0
20.0
0.5
18
7-11
0.6"x0.4"
MRI
298.0
28.0
0.40
--
1.2:1
10.0
18.0
1.0
18
7-11
0.5"x0.4"
MRI
85.0
28.0
0.45
--
1.2:1
10.0
20.0
1.5
18
7-11
0.6"x0.4"
MRI
400.4
28.0
0.33
--
1.2:1
10.0
21.0
1.5
18
7-11
0.6"x0.4"
MRI
400.4
28.0
0.40
--
1.2:1
10.0
20.0
0.5
18
7-11
0.6"x0.4"




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