PRODUCT SPECIFICATION
RC6505
7
Figure 3. RC6505 interface with Fairchild Semiconductor Division’s TMC1185
10-bit 40MSPS ADC (for reference only)
IF_IN+
IF_IN-
SAW
RC6505
XOSCOA
XTL1
51
10nF
10nF
IF I/P
XTL2
VCC_RF
VRT
OUT
INP
VRM
IF_OUT+
IF_OUT-
VCC_IF1
VCC_BUF
200
200
78.7p
.25
μ
H
10
μ
F
+
10nF
78.7p
4.88
μ
H
0.1
128p
4.88
μ
H
.25
μ
H
FB
2K
+12V
+12V
+5V
GND_BUF RFGND
GND_IF2
.
+
.
+1
μ
F
1uF
10nF
10nF
REFT
REFB
3.25V
1.25V
VRM
200
22p
22p
200
IN
IN
TMC1185
+10
μ
F
10nF
+5VA
+5V
VDD
VDD
OE
B0
~
B9
10
Data Out
CLK
Clk In
GND
GND
+5V
FB
* All decoupling caps should be placed as close to part as possible.
fo = 36MHz
BW=10MHz BPF
XTL OSC
OUT
0.1
0.1
4.08p
128p
2.00K
1%
2.00K 1%
0.1
4.08p
2K
0.1
.155
μ
H
.155
μ
H
BUF_IN-
BUF_IN+
BUF_OUT+
BUF_OUT-
FB
GND_IF1
+12V
0.1
0.1
FB
FB
10
μ
F
+
10nF
+10
μ
F
10nF
+10
μ
F
10nF
10
μ
F
+
10nF
65-6505-05