Texas Instruments TRF3701, Руководство пользователя, Страница: 28 / 29

1 2 3 4 5 6
A
B
C
D
6 5 4 3 2 1
D
C
B
A
ti
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Title:
SHEET: OF:
FILE: SIZE: DATE:
REV:
3-Jun-2004
Drawn By:
Engineer:
Revision History
REV ECN Number Approved
Sheet1.Sch
DOCUMENTCONTROL #
GND
1
GND
2
GND
3
LO
4
GND
5
VCC
6
PWD
7
RF
OUT
8
GND
9
VCC
10
GND
11
GND
12
QVIN
13
IVIN
14
IREF
15
QREF
16
U1
TRF3701/02
1
2 3 4 5
J3
SMA
1
2 3 4 5
J2
SMA
TRF3701/02
P. MILLER
Y.DEWONCK
1 2
A
C20
1pF
C8
.1uF C9
.1uF
VCC
VCC
L1
C22
C21
1pF
C10
.1uF
C11
.1uF
VCC
C6
.1uF C18
1pF
C19
1pF
C7
.1uF
/QVIN /IVIN
IVIN
QVIN
QVIN
IVIN
IREF2
/IVIN
QREF1
/QVIN
1
2
3
4
J1
CON_4TERM_SCREW
1
2
3
J6
CON_3TERM_SCREW
NOTES:
3. VALUE UNKNOW, TO BE DETERMINED
BY MATCHING. IF NOT USING MATCHING,
MAKE L1 A 0 OHM RESISTOR, LEAVE C22 AND C52
UNPOPULATED.
2. OPTIONAL, USED TO TIE IREF, QREF TOGETHER
(Note 3)
(Note 3)
-7VA
FB1
+
C1
10uF
C33
1uF
C38
0.01uF
+
C43
47 uF
+7VA
FB2
+
C2
10uF
C34
1uF
C39
0.01uF
+
C44
47 uF
VCC
FB3
+
C3
10uF
C35
1uF
C40
0.01uF
+
C45
47 uF
FB4
+
C5
10uF
C37
1uF
C42
0.01uF
+
C47
47 uF
FB5
+
C4
10uF
C36
1uF
C41
0.01uF
+
C46
47 uF
W6
R27
0
R28
0
(Note 1)
(Note 1)
1. PART NOT INSTALLED
(Note 2)
1 2
W1
R23
1K
1 2
W2
1 2
W3
1 2
W4
R24
1K
C50
1pF
C48
.1uF
1 2
W7
R25
1K
1 2
W8
QREF2
C51
1pF
C49
.1uF
1 2
W9
R26
1K
1 2
W10
IREF1
R33
10K
R34
10K
1
2
3
J13
CON_3TERM_SCREW
FB6
FB7
VCOM1
VCOM2
VCOM1
VCOM2
C52
(Note 3)
1
3
2
W5
E1 E4 E3
E5 E6 E2
TP1
(Sh 2) (Sh 2)
(Sh 2)
(Sh 2)
IREF2
IREF1
QREF1
QREF2
-7V
GND
+7V
+5V
4.0V - 4.1V
4.0V - 4.1V
4.0V - 4.1V
4.0V - 4.1V
GND
GND
(Sh 2)
(Sh 2)
(Note 1) (Note 1)
(Note 1)
(Note 1)
RF OUT
(1-2)
LO IN