RF2374
Application Schematic - 869MHz to 894MHz Tune
P1
1
P1-1
VCC
VCC
2
3
GND
C5
10 nF
P1-3
P1-4
GAIN SELECT
VREF
Only needed below 1500
MHz to lower gain, improve
RL, and maintain stability.
4
C4
100 pF
CON4
L1
3.9 nH
C1
22 nF
8
3
7
100 Ω
50 Ω μstrip
50 Ω μstrip
J1
J2
1
2
6
5
RF IN
RF OUT
C3
10 pF
C2
3.9 pF
R1
4
1.8 kΩ
VREF
GAIN SELECT
Application Schematic for Wide Band Tune
WiBRO/WiFiWiFi/WiMAX (2.3GHz to 3.8GHz)
P1
1
2
3
P1-1
VCC
VCC
GND
P1-3
P1-4
GAIN SELECT
VREF
C5
10 nF
4
CON4
C4
100 pF
L1
1.8 nH
C1
22 nF
8
3
7
4
50 Ω μstrip
50 Ω μstrip
J1
J2
1
2
6
5
RF IN
RF OUT
C3
2.0 pF
C2
DNP
R1
1.8 kΩ
VREF
GAIN SELECT
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
DS140519
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RFMD [ RF MICRO DEVICES ]
