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参数资料
| 型号： | AD834JRZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC MULTIPLIER 4-QUADRANT 8-SOIC |
| 标准包装： | 2,500 |
| 功能： | 模拟乘法器 |
| 位元/级数： | 四象限 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
AD834
Data Sheet
Rev. F | Page 10 of 20
EXPLANATION OF TYPICAL PERFORMANCE
CHARACTERISTICS AND TEST CIRCUITS
Figure 4 is a plot of the mean-square output vs. frequency for
the test circuit of Figure 8. Note that the rising response is due
to package resonances.
For frequencies above 1 MHz, ac feedthrough is dominated by
static nonlinearities in the transfer function and the finite offset
voltages. The offset voltages cause a small fraction of the funda-
mental to appear at the output, and can be nulled out (see
THD data represented in Figure 6 is dominated by the second
harmonic, and is generated with 0 dBm input on the ac input
and 1 V on the dc input. For a given amplitude on the ac input,
THD is relatively insensitive to changes in the dc input ampli-
tude. Varying the ac input amplitude while maintaining a
constant dc input amplitude affects THD performance.
The squarer configuration shown in Figure 8 is used to determine
wideband performance because it eliminates the need for (and
the response uncertainties of) a wideband measurement device
at the output. The wideband output of a squarer configuration
is a fluctuating current at twice the input frequency with a mean
value proportional to the square of the input amplitude.
By placing the capacitors, C3/C5 and C4/C6, across the load
resistors, R1 and R2, a simple low-pass filter is formed, and the
mean-square value is extracted. The mean-square response can
be measured using a DVM connected across R1 and R2.
Care should be taken when laying out the board. When using
the DIP package, mount the IC socket on a ground plane with a
clear area in the rectangle formed by the pins. This is important
because significant transformer action can arise if the pins pass
through individual holes in the board; improperly constructed test
jigs have caused oscillation at 1.3 GHz.
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相关代理商/技术参数 |
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| AD834S | 制造商:AD 制造商全称:Analog Devices 功能描述:500 MHz Four-Quadrant Multiplier |
| AD834SQ/883B | 功能描述:增效器/分频器 WIDEBAND MULTIPLIER IC RoHS:否 制造商:Texas Instruments 产品:Multiplier 逻辑系列: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:Through Hole 封装 / 箱体:PDIP-14 |
| AD835 | 制造商:AD 制造商全称:Analog Devices 功能描述:250 MHz, Voltage Output 4-Quadrant Multiplier |
| AD8350 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Distortion 1.0 GHz Differential Amplifier |
| AD8350_01 | 制造商:AD 制造商全称:Analog Devices 功能描述:Low Distortion 1.0 GHz Differential Amplifier |
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