FH1
High Dynamic Range FET
Reference Design: 260 MHz, 25 dB Gain
Frequency
Gain
S11
S22
P1dB
OIP3
Noise Figure
Supply Voltage
Supply Current
MHz
dB
dB
dB
dBm
dBm
dB
V
mA
250
25.2
-23
-12
260
25.1
-22
-14
+22.4
+39.5
1.9
+5
140
270
24.9
-13
-17
Gain / Return Loss
26
0
25
-5
S11, S22 (dB)
S11, S22 (dB)
Gain (dB)
24
-10
23
-15
1.8
2.1
22
DB(|S(2,1)|) (L)
DB(|S(1,1)|) (R)
DB(|S(2,2)|) (R)
-20
21
0.2
ID=C3
C=1.8e4 pF
-25
0.22
0.24
0.26
Frequency (GHz)
0.28
0.3
+5V
ID=C6
ID=R7
C=1000 pF R=2000 Ohm
ID=R6
R=2000 Ohm
NET="FH1"
ID=L1
L=220 nH
ID=C1
C=1000 pF
ID=R1
L=120 nH
1
2
ID=C2
C=1000 pF
ID=C5
R=1e4 Ohm
C=0.2 pF
R=3.3 Ohm
Notes:
1.
Circuit Board Material: .0
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2.
Components not shown in the schematic are either not used or loaded with a thru. Gain for the circuit can be adjusted slightly with the modification of the feedback resistance.
Reference Design: 460 MHz, 20 dB Gain
Frequency
Gain
S11
S22
P1dB
OIP3
Noise Figure
Supply Voltage
Supply Current
MHz
dB
dB
dB
dBm
dBm
dB
V
mA
450
19.9
-24
-16
460
19.9
-24
-15
+21.6
+42
2.08
+5
140
470
19.9
-21
-15
Gain / Return Loss
21
DB(|S(2,1)|) (L)
DB(|S(1,1)|) (R)
DB(|S(2,2)|) (R)
0
20
-5
Gain (dB)
19
-10
18
-15
1.95
2.17
17
-20
16
0.34
0.38
0.42
0.46
0.5
Frequency (GHz)
0.54
0.58
-25
ID=R6
R=750 Ohm
ID=C6
C=1000 pF
ID=R7
+5V
R=750 Ohm
ID=C3
C=1000 pF
NET="FH1"
ID=C1
C=1000 pF
ID=R1
L=36 nH
1
2
ID=L1
L=100 nH
ID=R2
L=10 nH
ID=C5
R=5000 Ohm
ID=C2
C=1000 pF
Notes:
1.
Circuit Board Material: .0
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2.
Components not shown in the schematic are either not used or loaded with a thru. Gain for the circuit can be adjusted slightly with the modification of the feedback resistance.
Specifications and information are subject to change without notice.
WJ Communications, Inc
x
Phone 1-800-WJ1-4401
x
FAX: 408-577-6621
x
e-mail: sales@wj.com
x
Web site: www.wj.com
Page 4 of 7 April 2007