Linear Technology DC1774A-C Demo Manual page 3

QUICK START PROCEDURE
J7
R13
+IN C1
0
1000pF
0603
J18
GND
E6
GND
DEMO MANUAL DC1774A-C
NOMINAL WORKING
FREQUENCY RANGE
18
16
|S21|
14
12
|S22|
10
8
6
4
0 400 800
FREQUENCY (MHz)
Figure 2. Demo Board S-Parameters
Stability
Network
VCC
C7
1000pF
C8
62pF
R2
348
U1
*
1
DNC
2
DNC
3
DNC
4
DNC
U1=LTC6431-15
5
DNC
6
DNC
Figure 3. Demo Board DC1774A-C Schematic
0
–2
–4
–6
–8
–10
–12
–14
|S11|
–16
–18
–20
–22
|S12|
–24
–26
–28
1200 1600 2000
dc1774ac F02
L1
560nH
1000pF
18
+OUT
17
GND
16
T_DIODE
15
DNC
14
GND
13
DNC
C20
1000pF
VCC
C22 C21
0.1uF 1000pF
R17
C3 +OUT
0
0603
VCC
J10
J11
+5V
E3
+5V
dc1774acf
3