RF In

1
Sweeper Input Card
5V
l
l
C6 0.1
R410K
R510K
5V
2,5
R2 4.7
J1(BNC)
Vdd
C1 .01
RF In
19
2
SCL
SCL
l
U2 AD7998 8-ch12-bit ADC
l
l
l
8
7
5
6
C4.01
1
18
InH
En
Vdd
SDA
SDA
l
U1AD8310
R152.3
InL
Vss
Out
R6680
1
2
3
7
4
Vin1
6
l
l
5V
Vref
l
l
l
C5 NP
R3 0R
C3 .01
R71K
C2 .01
1,3,4,15, 20
l
Tin Shield (grounded)
3
DCout
U3uA78M05
5V
5
1
3
DC Pwr In (9-12V)
In
Out
l
l
l
l
C74.7uF
C80.1

C90.1
C101uF
Gnd
2
4
GND
l
l
l
l
P1
Sweeper Input Card
G. Heron, N2APB J. Everhart, N2CXRev A1
12/17/2011
Sheet1/1