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參數(shù)資料
| 型號： | 155 |
| 元件分類： | 運(yùn)算放大器 |
| 英文描述： | OP-AMP, 1000 uV OFFSET-MAX, 3 MHz BAND WIDTH, DMA9 |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 132K |
| 代理商： | 155 |
A
2
CALEX
FaxFACTS:
321
1997
Models 152 & 155 Operational Amplifiers
http://www.calex.com
2401 Stanwell Drive
Concord, CA 94520-4841
(510) 687-4411 Fax (510) 687-3333
FIGURE 3. AC Coupled Amplifier
AC Coupled Inverting Amplifier
An AC coupled amplifier or high pass filter amplifier (Figure 3)
is also easy to construct with MK 150. This amplifier is useful
for audio and other applications where the DC content of the
signal is not important.
Basic Design Equations:
GAIN ........................... G = R6 / R14
0.1 < G < 100
R6 || RLoad > 2 kohms
INPUT IMPEDANCE ... Zin = R14,
Midband: DC Zin = Infinity
BANDWIDTH .............. bw = 3 MHz/(1+G) in Hz
Value For R5 ............... R5 = R6
Value For C1 ............... C1 = 1/(2 x pi x Fc x R14) in Hz, where
Fc is the lower -3 dB cutoff of the
amplifier.
The low frequency roll off is +6 dB or +20 dB per decade of
increasing frequency. Pick C2 to minimize overshoot or
ringing with a small square wave input. Increasing C2 will
reduce overshoot and ringing at the output.
Non-inverting Amplifier
Figure 4. Shows the basic non-inverting amplifier circuit. The
non-inverting amplifier or voltage follower is useful where high
input impedance is required and or an in phase output voltage
is required.
Basic Design Equations:
GAIN ........................... G = 1 + R6 / (R14 + R1)
0.1 < G < 100
Either R14 or R1 can be zero ohms
for convenience
R6 || RLoad > 2 kohms
if R1 + R14 are not used the gain
is a precision +1 (voltage follower
mode).
INPUT IMPEDANCE ... Zin = > 10 Meg
BANDWIDTH .............. bw = 3 MHz/G in Hz
Value For R5 ............... R5 = R6 || (R1 + R14)
The gain can be rolled off to a minimum gain of +1 by using
C2 in the circuit.
The Differentiator
The differentiator (also Figure 3) is basically a high pass filter
that has the useful property of producing an output voltage
that is proportional to the instantaneous derivative of the input
waveform.
Basic Design Equations:
Voltage Output ............ Vo = -R6 x C1 x dVi/dt
Vo should be as low as possible for
maximum dynamic range.
Utility Gain Frequency Fc = 1/(2 x pi x R6 x C1)
Value for R5 ................ R5 = R6
Value for R14 and C2 Select for minimum overshoot and
ringing on the output with a step
input. Increase R14 and or C2 to
reduce overshoot.
FIGURE 4. Non-inverting Amplifier Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 15-5 | 制造商:Curtis Industries 功能描述: |
| 155 PB | 制造商:CODELOCKS 功能描述:LOCK MORTICE LATCH W/HOLD BRASS 制造商:CODELOCKS 功能描述:LOCK, MORTICE LATCH, W/HOLD, BRASS |
| 155 SG | 制造商:CODELOCKS 功能描述:LOCK MORTICE LATCH W/HOLD 制造商:CODELOCKS 功能描述:LOCK, MORTICE LATCH, W/HOLD |
| 155.0892.5501 | 功能描述:保險絲 CFB Series Battery Terminal Fuse RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485 |
| 155.0892.5751 | 功能描述:保險絲 CFB Series Battery Terminal Fuse RoHS:否 制造商:Littelfuse 產(chǎn)品:Surface Mount Fuses 電流額定值:0.5 A 電壓額定值:600 V 保險絲類型:Fast Acting 保險絲大小/組:Nano 尺寸:12.1 mm L x 4.5 mm W 安裝風(fēng)格: 端接類型:SMD/SMT 系列:485 |
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