FlexRadio Systems FLEX-1500 Service Manual

.1u
GND
GND
74LVC74D
74LVC74D
GND
.1u
GND
GND GND GND GND
100n 120n 100n
15p 27p 27p 15p
SN65LVDS34D
+3.3V
15p 27p 27p 15p
GND GND GND GND
+3.3V
+3.3V
0
200
TC4-1T
24.9
24.9
68p
68p
LO QUADRATURE GENERATOR
120 MHz Low Pass Filter
Johnson Counter
Copyright FlexRadio Systems 2009, 2010
C250
CLR
1
D
2
CLK
3
PRE
4
Q
5
Q
6
IC19A
CLR
13
D
12
CLK
11
PRE
10
Q
9
Q
8
IC19B
714
IC19P
GND VCC
C259
L66 L67 L68
C255 C256 C257 C258
1A
8
1B
7
2A
6
2B
5
1Y
2
2Y
3
GND
4
VDD
1
IC20
C251 C252 C253 C254
RFTP5
R78
R79
3
2
16
4
T5
R90
R91
C29
C30
DDS/9
LO-I/5
LO-Q/5

FlexRadio Systems FLEX-1500 Specifications

General

Brand	FlexRadio Systems
Model	FLEX-1500
Category	Transceiver
Language	English