參數(shù)資料
型號: ADL5375-15-EVALZ1
廠商: Analog Devices, Inc.
英文描述: 400 MHz to 6 GHz Broadband Quadrature Modulator
中文描述: 400 MHz至6 GHz的寬帶正交調制器
文件頁數(shù): 30/32頁
文件大小: 1074K
代理商: ADL5375-15-EVALZ1
ADL5375
Rev. 0 | Page 30 of 32
F-MOD TEST RACK
SINGLE-TO-DIFFERENTIAL
CIRCUIT BOARD
Q IN DCCM
AGND
I IN DCCM
VN1
VP1
I IN AC
Q IN AC
VPOS+
LO
90°
I Q
QP
QN
AGILENT 34401A
MULTIMETER
0.200 ADC
AGILENT E3631A
POWER SUPPLY
5.000
0.350A
COM
±25V
+
AGILENT E3631A
POWER SUPPLY
0.500
0.010A
COM
VCM = 0.5V
6V
±25V
+
+
ROHDE & SCHWARTZ
FSEA 30 SPECTRUM ANALYZER
100MHz TO 4GHz
+6dBm
RF
IN
TEKTRONIX AFG3252
DUAL FUNCTION
ARBITRARY FUNCTION GENERATOR
1MHz
1MHz
CH1
C
C
CH2
RF
OUT
ROHDE & SCHWARTZ SMT 06
SIGNAL GENERATOR
FREQ 4MHz TO 4GHz
LEVEL 0dBm
IN1
IN1
TSEN
GND
VPOSB VPOSA
IP
IN
IP
IN
QP
QN
VPOS
LO
OUT
GND
OUTPUT
+5V
VPOS +5V
–5V
F-MOD
CHAR BD
0
Figure 75. Setup for Baseband Frequency Sweep and Undesired Sideband Nulling
The setup used to evaluate baseband frequency sweep and
undesired sideband nulling of the ADL5375 is shown in Figure 75.
The interface board has circuitry that converts the single-ended
I input and Q input from the arbitrary function generator to
differential I and Q baseband signals with a dc bias of 500 mV
(ADL5375-05) or 1500mV (ADL5375-15). Undesired sideband
nulling was achieved through an iterative process of adjusting
amplitude and phase on the Q-channel. See the Sideband
Suppression Optimization section for a detailed description
on sideband nulling.
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