FP31QF ETC, FP31QF Datasheet - Page 5

• Manufacturer Part Number: FP31QF
• Description: 2-Watt HFET
• Manufacturer: ETC

WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: [phone] • e-mail: [e-mail] • Web site: www.wj.com
Circuit Board Material: .014” FR-4 (ε
The main microstrip line has a line impedance of 50 Ω.
4 layers (other layers added for rigidity), .062” total thickness, 1 oz copper
P =
Z=
P ORT
1
50 Ohm
FP31QF
2-Watt HFET
ID=
CAP
C=
Application Circuit: 1930 – 1960 MHz (FP31QF-PCB1900)
C1
2 2 pF
C2
ID=
IND
L =
L3
4.7 nH
r
= 4.6),
ID=
CA P
C=
C2
2.2 pF
Frequency
S21 – Gain
S11 – Input Return Loss
S22 – Output Return Loss
Output P1dB
Output IP3
Noise Figure
IS-95 Channel Power
(+18 dBm / tone, 1 MHz spacing)
@ -45 dBc ACPR
The application circuit is matched for output power.
C3
Loss =
Eeff =
Drain Bias = +9 V, I
TLINP
ID =
Z0 =
F0 =
L =
ID=
CA P
C=
TL1
50 Ohm
190 mil
3 .46
0
0 MHz
C6
2 2 pF
Typical RF Performance
ID =
C =
CAP
C7
100 0 pF
ID=
CA P
C=
ID=
RES
R=
MHz
dBm
dBm
dBm
C8
1.8e 4 pF
dB
dB
dB
dB
R1
5 Ohm
ID=
IND
L =
ds
L1
1 2 nH
= 450 mA, 25°C
• The C2 and C3 placements are at silk screen markers, “B” and “3”, respectively.
• The via hole spacing along the main microstrip line is .040”.
• The distance from the edge of the FP31QF to the closer edge of L3 is .305”.
• The transmission line lengths shown in the schematic are from the FP31QF
Ref. Desig.
C1, C4, C8, C10
C2
C3
C6, C11
C7
C12
L1, L2
L3
R1
R2
Q1
C5
device edge to the component edge.
+33.5
1930
-17
-11
4.3
14
1
ID=
CAP
C=
ID=
RES
R=
-Vgg
NET=
SUB CKT
C5
DNP pF
R2
51 Ohm
ID=
2
Q1
"FP31QF"
+33.8
+46.8
+27.3
1960
13.8
-21
-11
4.5
The Communications Edge
Vds=9V @ 450 mA
Specifications and information are subject to change without notice
Value
22 pF
2.2 pF
2.0 pF
0.018 µF
1000 pF
0.1 µF
12 nH
4.7 nH
5.1 Ω
51 Ω
FP31QF
+33.8
1990
13.8
-27
-13
4.4
ID=
Bill of Materials
IND
Loss=
L =
TL INP
Eeff=
Z0 =
F0 =
ID=
L2
1 2 nH
L =
TL2
50 Ohm
200 mil
3 .46
0
0 MHz
Part style
Chip capacitor
Chip capacitor
Chip capacitor
Chip capacitor
Chip capacitor
Chip capacitor
Wirewound chip inductor
Multilayer chip inductor
Chip resistor
Chip resistor
WJ 2W HFET
Do Not Place
Product Information
ID=
CAP
C=
ID=
ID=
CAP
C=
CAP
C=
ID =
CAP
C =
C12
1e 5 pF
C3
2 pF
C11
1.8e 4 pF
C10
2 2 pF
ID=
CAP
C=
C4
2 2 pF
P =
QFN 6x6
Z=
Size
0603
0603
0603
0805
0603
1206
0805
0603
0603
0603
P ORT
November 2004
2
50 Ohm
TM