ADL5390-EVAL AD [Analog Devices], ADL5390-EVAL Datasheet - Page 18
![no-image](/images/no-image-200.jpg)
ADL5390-EVAL
Manufacturer Part Number
ADL5390-EVAL
Description
RF/IF Vector Multiplier
Manufacturer
AD [Analog Devices]
Datasheet
1.ADL5390-EVAL.pdf
(24 pages)
ADL5390
Figure 41. ADL5390 as a Quadrature Modulator with the Use of an External
90° Phase Splitter, RF/LO Power = −1 dBm and Gain Control Inputs Driven
1 RM
AVG
*
–100
–110
–120
–30
–40
–50
–60
–70
–80
–90
–69
–70
–71
–72
–73
–74
–75
–76
–77
–78
Differentially with 0.353 V
–25
CENTER 880MHz
REF –26.6dBm
STANDARD: CDMA IS95C CLASS 0 FWD
Tx CHANNELS
CH1 (REF)
CH2
CH3
TOTAL
POS –26.623dBm
–20
NOISE (dBc) - 8MHz OFFSET - 1MHz RBW
Figure 42. Noise vs. Output Power
–22.93dBm
–22.83dBm
–22.95dBm
–18.13dBm
OUTPUT POWER (dBm)
*
ATT 5dB
–15
P-P
1.29MHz/
, 3-Carrier CDMA2000 I/Q Data
–10
ADJACENT CHANNEL
LOWER
UPPER
ALTERNATE CHANNEL
LOWER
UPPER
2ND ALTERNATE CHANNEL
LOWER
UPPER
*
*
*
RBW 10kHz
VBW 300kHz
SWT 4s
–59.25dB
–59.43dB
–62.79dB
–63.11dB
–60.71dB
–60.32dB
SPAN 12.9MHz
–5
0
NOR
A
Rev. 0 | Page 18 of 24
RF MULTIPLEXER
The ADL5390 may also be used as an RF multiplexer. In this
application, two RF signals are applied to the INPI and INPQ
inputs, and the baseband voltages control which of the two RF
signals appears at the output. Figure 43 illustrates this applica-
tion and shows that with V
ence to a common-mode voltage of 0.5 V). The INPI signal is
presented to the output. Then, when V
0.0 and V
Lastly, as V
the output. With V
output is typically >40 dB at 380 MHz.
2
1
3
TEK STOPPED
CH1 200mV Ω CH2 500mV Ω D
CH3 500mV Ω D
QBB
CH2
CH3
CH1
QBB
Figure 43. ADL5390 in RF Multiplexer Application
remains equal to zero, there is no RF output.
transitions to 0.5 V, the INPQ signal appears at
IBB
S
= 0.0 and V
200 Acqs
IBB
RF OUTPUT
V
= 0.5 and V
V
QBB
IBB
S
QBB
M 40.0ns 1.25GS/s 800ps/pt
A CH2
= 0.0, the isolation to the
IBB
24 AUG 04 11:08:40
QBB
transitions to V
780mV
= 0.0 (with refer-
IBB
=