RF2174
Application Schematic
VCC
Instead of a stripline,
an inductor of ~6 nH
can be used
12 pF
Very close
VCC
to
1 nF
pin 15/16
15 pF
Instead of a stripline, an
inductor of 2.2 nH can
be used
1.0 pF
1
2
3
4
5
16
15
14
13
Quarter wave
length
AT_EN
12
33 pF
50 Ω μstrip
RF IN
33 pF
11
RF OUT
4.3 pF
3.6 pF
1.3 pF
Note 1
1.3 pF
Note 1
10
Distance between
edge of device and
capacitor is 0.240" to
improve the "off"
isolation
6
7
8
9
Distance between
edge of device and
capacitor is 0.080"
Distance center to
center of capacitors
0.220"
VCC
VCC
15 pF
15 pF
15 pF
15 pF
Note: All capacitors are standard 0402 multi layer chip
Note 1: Using a hi-Q capacitor will increase efficiency slightly
APC
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
8 of 16
Rev A8 DS060918
RFMD [ RF MICRO DEVICES ]
