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MAX7443 Evaluation Kit
6) Connect the 5V supply to the PCB pad labeled
VCC. Connect the pad labeled GND to the ground
of the power supply.
7) Set the signal generator for the desired video sig-
nal, such as multiburst.
8) Turn on the 5V DC power supply.
9) Analyze any of the output signals with the VM700A
video measurement.
Detailed Description
Jumper Selection
The MAX7443 EV kit provides options for evaluation
with a video signal generator output or a current output
video DAC (encoder). Table 1 lists the jumper settings
for selecting the input from either a video generator or a
DAC (encoder). When interfacing to a video DAC or
encoder output, the 200 Ω termination resistor is provid-
ed on the board and selected by changing jumpers
JU1 and JU3. A typical DAC termination resistor is
200 Ω . If the full-scale DAC output current is different
than ≈ 5mA, change the 200 Ω resistor accordingly to
get 1V at the input of the MAX7443.
The MAX7443 EV kit incorporates jumper JU2 to
control the gain setting. Table 2 lists the JU2 functions.
Evaluating MAX7444
The MAX7443 EV kit can be also used to evaluate the
MAX7444. To evaluate the MAX7444, replace the
MAX7443ESA+ with a MAX7444ESA+.
Table 1. Jumpers JU1, JU3, JU4, and JU5 Functions
JU1 SHUNT POSITION
1-2*
2-3
JU3 SHUNT POSITION
1-2*
2-3
INPUT TERMINATION ( Ω )
75
200
All other combinations
Undefined
* Default position.
Note: To emulate a 200 Ω DAC source resistor when driving from a 75 Ω generator, remove jumpers JU4 and JU5. The 162 Ω resistor
added to the standard 75 Ω termination equals approximately 200 Ω .
Table 2. JU2 Functions
JU2 SHUNT POSITION
1-2
2-3
Not installed
GSET PIN
Connected to VCC
Connected to GND
Not connected
GAIN (dB)
9.5
6
12
2
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相关代理商/技术参数
MAX7444ESA 功能描述:有源滤波器 3Ch Video Reconstruction Filtr RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX7444ESA+ 功能描述:有源滤波器 3Ch Video Reconstruction Filtr RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX7444ESA+T 功能描述:有源滤波器 3Ch Video Reconstruction Filtr RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX7444ESA-T 功能描述:有源滤波器 3Ch Video Reconstruction Filtr RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX7444ETA 制造商:Maxim Integrated Products 功能描述:TRIPLE-CHANNEL VIDEO RECONSTRUCTION FILTER AN - Rail/Tube
MAX7444ETA+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX7444ETA+T 功能描述:有源滤波器 3Ch Video Reconstruction Filtr RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX7444ETA-T 功能描述:有源滤波器 3Ch Video Reconstruction Filtr RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube