FlexRadio Systems FLEX-1500 Service Manual

1.0 V
1.25 V
20 dB
Attn
74CBT3253PW
95.3
GND
.1u
GND
GNDGND
GND
2.87k1.20k
GND
10u
74CBT3253PW
+3.3V
+3.3V
+3.3V
.1u
TC1-1T
+5V
95.3
TC4-1T
GND
2.00k1.20k
GND
10u
+3.3V
ADL5531
.1u .1u
GND
10n
GND
10n
GND GND
+5V
GND
10n
GND
GND
0
+3.3V
3.30
1267W
330u
61.9 61.9
240
10n
619
619
3.32k 3.32k
GND
GND
GND
.1u
6193.32k
+3.3V
GND
.1u
GND
Copyright FlexRadio Systems 2009, 2010
SEQ: 0, 1, 3, 2
QSD / QSE
QSD
QSE
QSD QSE
1G
1
B
2
1C3
3
1C2
4
1C1
5
1C0
6
1Y
7
2Y
9
2C0
10
2C1
11
2C2
12
2C3
13
A
14
2G
15
IC4
816
GND VCC
IC4G$2
R11
C146
R13R15
C138
1G
1
B
2
1C3
3
1C2
4
1C1
5
1C0
6
1Y
7
2Y
9
2C0
10
2C1
11
2C2
12
2C3
13
A
14
2G
15
IC5
816
GND VCC
IC5G$2
5
1
3
6
4 2
CTRL
VDD
RFC
RF1
RF2
GND
K26
PE4259
C147
3
2
16
4
T3
R12
3
2
16
4
T2
R18R20
C144
27
CLIN
5
P$1
NC
1
NC
3
NC
4
NC
6
NC
8
PAD
IC3
C134 C135
C137
C132
C143
RFTP2
R74
5
1
3
6
4 2
CTRL
VDD
RFC
RF1
RF2
GND
K25
PE4259
R16
L46
C11
13
GND
14
15
V2
3
11
V1
4
VDD
2
GND
1
GND
5
GND
7
GND
9
GND
10
GND
12
8
6
PAD
NC
16
IC27
PE42641
R81 R82
R83
C18
R14
R19
R21 R84
C28
R85R86
C243
~QSD/11
LO-I/10
LO-Q/10
~QSE/11
QSD-QP/6
QSD-IM/6
QSD-QM/6
QSD-IP/6
QSE-QP/6
QSE-IM/6
QSE-QM/6
QSE-IP/6
BITE/1
GEN/11
TXA/11
BPFO/4
TXB/11
ATN/11
RFIN
RFOUT
RF1
RF2
RF3
RF4
ANT
RFC

FlexRadio Systems FLEX-1500 Specifications

General

Brand	FlexRadio Systems
Model	FLEX-1500
Category	Transceiver
Language	English