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參數(shù)資料
| 型號(hào)： | MAX4090EVKIT+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 16/17頁 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION FOR MAX4090 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 視頻，放大器，單路 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX4090 |
| 主要屬性： | 6dB 視頻緩沖器 |
| 次要屬性： | 交流耦合視頻輸入 |
| 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4090EVKIT+ | 功能描述:放大器 IC 開發(fā)工具 3V/5V 6dB Video Buff w/Sync-Tip Clamp RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓: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:視頻放大器 3V/5V 6dB Video Buff w/Sync-Tip Clamp RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| MAX4090EXT-T | 功能描述:視頻放大器 RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
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