AD6459 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
AD6459 Datasheet PDF : 12 Pages
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AD6459
Reference
Designation
RFHI
LOIP
FREF
MXOP
IFIP
J1
GREF
GAIN
QRXN
QRXP
IRXN
IRXP
VPOS
PRUP
GND
GND
FREF
R9
50Ω
LOIP
R2
50Ω
RFHI
C3
SHORT
R3
50Ω
VPOS
R6
24.9kΩ
R7
16.9kΩ
GREF
C5
0.1µF
R1
20kΩ
VPOS
C12
1nF
C1
0.1µF
1 FREF
VPS1 20
R8 1kΩ
2 COM1
FLTR 19
C11
0.1µF
C2
3 PRUP
VPS2 18 C10 1nF
1nF
4
C4 1nF
LOIP
AD6459
IRXP
17
5 RFLO
IRXN 16
6 RFHI
QRXP 15
C7
7 COM2
1nF
8 GREF
9 MXOP
10 MXOM
QRXN 14
GAIN 13
IFIM 12
IFIP 11
C9
10nF
JUMPER
L3
SHORT
C16
22pF
C15
110pF
L2
0.56µH
L4
SHORT
C17
22pF
GND
PRUP
VPOS
IRXP
IRXN
QRXP
QRXN
GAIN
GREF
Figure 27. Evaluation Board as Received with 19.5 MHz Filter
Table II. AD6459 Evaluation Board Input and Output Connection
Connector
Type
Description
Coupling
Approximate
Signal Level
Comments
SMA
SMA
SMA
SMA
SMA
Jumper
J2-1
J2-2
J2-3
J2-4
J2-5
J2-6
J2-7
J2-8
J2-J9
J2-10
RF Input
LO Input
Demodulator Reference
Input
Mixer Output
IF Input
On-Board GREF Bias
External Reference Input
Gain Bias Input
Q-Negative Output
Q-Positive Output
I-Negative Output
I-Positive Output
Power Supply
Positive Input
Power Up
Ground
Ground
AC
–11 dBm max
AC
500 mV p-p max
AC
100 mV p-p min
NA
NA
NA
NA
DC
DC
DC
DC–2 MHz
DC–2 MHz
DC-2 MHz
DC-2 MHz
DC
DC-2 MHz
DC
DC
0.4 VPOS
1.2 V dc
0.2 V to 2.4 V dc
NA
NA
NA
NA
2.7 V to 5.5 V
CMOS
0V
0V
Input Is Terminated
in 50 Ω
Input Is Terminated
in 50 Ω
Input Is Terminated
in 50 Ω
Not Connected
for Unbalanced Output
Use XFMR
Not Connected
for Unbalanced Output
Use XFMR
Two Resistors Divider
Gain Scaling Reference
from External ADC
Maw Gain at 0.2 V
Z Series = 4.7 kΩ
Z Series = 4.7 kΩ
Z Series = 4.7 kΩ
Z Series = 4.7 kΩ
Supply Voltage
If Left Unconnected,
Board Is Active
NA
NA
REV. 0
–11–
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