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AD8327 Datasheet(PDF) 12 Page - Analog Devices

Part # AD8327
Description  5 V CATV Line Driver Coarse Step Output Power Control
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD8327 Datasheet(HTML) 12 Page - Analog Devices

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REV. 0
AD8327
–12–
Transmit Enable and Sleep Mode
The Transmit Enable and Transmit Disable buttons select the
mode of operation of the AD8327 by asserting logic levels on
the asynchronous TXEN pin. The Transmit Disable button
applies Logic 0 to the TXEN pin, disabling forward transmis-
sion while maintaining a 75
Ω back termination. The Transmit
Enable button applies Logic 1 to the TXEN pin, enabling the
AD8327 for forward transmission. Checking the “Enable
SLEEP Mode” checkbox applies logic “0” to the asynchronous
SLEEP pin, setting the AD8327 for SLEEP mode.
Memory Functions
The MEMORY section of the software provides a way to
alternate between two gain settings. The “X->M1” button
stores the current value of the gain slide bar into memory
while the “RM1” button recalls the stored value, returning
the gain slide bar to the stored level. The same applies to the
“X->M2” and “RM2” buttons.
Figure 10. Evaluation Board Schematic
Z1
TSSOP20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
AGND
T4
T3 6
1
2
3
4
5
4
3
2
1
TOKO1
SEC
PRI
SEC
PRI
DNI
C10
0.1 F
C7
0.1 F
AGND
P1
19
P1
20
P1
21
P1
22
P1
23
P1
24
P1
25
P1
26
P1
27
P1
28
P1
29
P1
30
P1
31
P1
32
P1
33
P1
34
P1
35
P1
36
P1
1
P1
2
P1
3
P1
4
P1
5
P1
6
P1
7
P1
8
P1
9
P1
10
P1
11
P1
12
P1
13
P1
14
P1
15
P1
16
P1
18
P1
17
AGND
C6
DNI
R3
0
TP7
TP8
C5
DNI
R2
0
TP5
TP6
C4
DNI
R1
0
TP3
TP4
TP2
C1
0.1 F
C2
0.1 F
C3
100pF
TP1
SDATA
DATEN
TXEN
SLEEP
CLK
AGND
TP9 VCC
AGND
VCC
TP12
TP10
TP11
C11
0.1 F
C12
10 F
AGND
AGND
C15
0.1 F
R11
DNI
R12
DNI
R13
78.7
C16
0.1 F
TP23
TP24
R14
0
R15
0
R16
DNI
R17
DNI
R19
DNI
AGND
AGND
TP22
0
HPP
COM
LPP
CBL
1
3
5
9
TP21
TP20
AGND
R8
DNI
R9
0
R10
DNI
AGND
CABLE
CX6002
10–18
HPF
VIN+
R20
0
VIN–
R21
DNI
AGND
R7
0
R6
DNI
DEVICE = 2LUGPWR
TB1
AGND
C8
0.1 F
TP14
TP16
C14
0.1 F
R5
DNI
TP15
DATEN
VIN–
VIN+
GND
VCC
SLEEP
BYP
VCC
VCC
GND
SDATA
CLK
GND
VCC
TXEN
VCC
VOUT
GND
GND
CXR
DNI



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