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| 型号： | MAX4090EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/17页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION FOR MAX4090 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 视频，放大器，单路 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX4090 |
| 主要属性： | 6dB 视频缓冲器 |
| 次要属性： | 交流耦合视频输入 |
| 已供物品： | 板 |
MAX4090
between 20
Ω to 100Ω is needed to isolate the input
capacitor (C4) to the filter to prevent the oscillation
problem.
Figure 2 shows the frequency response for R1 = R2 =
150
Ω. At 6MHz, the attenuation is about 1.4dB. The
attenuation at 27MHz is about 20dB. Figure 3 shows
the multiburst response for R1 = R2 = 150
Ω.
3rd-Order Butterworth Lowpass Filter Realization
If more flat passband and more stopband attenuation
are needed, a 3rd-order LPF can be used. The design
procedures are similar to the 2nd-order butterworth
LPF.
Table 3 shows the normalized 3rd-order butterworth
lowpass filter with the cutoff frequency at 1 rad/s and
the stopband frequency at 3 rad/s. Table 4 shows the
appropriated L and C values for different source/load
impedance and the bench measurement values for
-3dB BW and attenuation at 27MHz. The attenuation is
over 40dB at 27MHz. At 6MHz, the attenuation is
approximately 0.6dB for R1 = R2 = 150
Ω (Figure 5).
C
fR
L
LR
f
n
CL
nL
C
==
22
ππ
3V/5V, 6dB Video Buffer with Sync-Tip Clamp
and 150nA Shutdown Current
8
_______________________________________________________________________________________
0.1
1
10
100
FREQUENCY RESPONSE
FREQUENCY (MHz)
GAIN
(dB)
0
-60
-50
-40
-30
-20
-10
R2
150
Ω
R1
150
Ω
C1
150pF
L1
3.9
μH
C4
0.1
μF
R3
75
Ω
C7
1
μF
IN
OUT
GND
FB
SHDN
VCC
VOUT
VIDEO
CURRENT
DAC
RIS
49.9
Ω
2-POLE RECONSTRUCTION LPF
MAX4090
Figure 1. 2nd-Order Butterworth LPF with MAX4090
Figure 2. Frequency Response
VOUT
500mV/div
10
μs/div
VIN
500mV/div
Figure 3. Multiburst Response
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4090EVKIT+ | 功能描述:放大器 IC 开发工具 3V/5V 6dB Video Buff w/Sync-Tip Clamp RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX4090EXT | 制造商:Maxim Integrated Products 功能描述:3V/5V 6DB VIDEO BUFFER WITH SYNC-T - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX4090EXT+ | 制造商:Maxim Integrated Products 功能描述:VID BFFR 6PIN SC-70 - Rail/Tube |
| MAX4090EXT+T | 功能描述:视频放大器 3V/5V 6dB Video Buff w/Sync-Tip Clamp RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| MAX4090EXT-T | 功能描述:视频放大器 RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
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