制造商:ADI/AD
优势和特点
Two Quadrant Multiplication/Division
Two Independent Signal Channels
Signal Bandwidth of 60 MHz (IOUT)
Linear Control Channel Bandwidth of 5 MHz
Low Distortion (to 0.01%)
Fully-Calibrated, Monolithic Circuit
产品详情
The AD539 is a low distortion analog multiplier having two identical signal channels (Y1 and Y2), with a common X input providing linear control of gain. Excellent ac characteristics up to video frequencies and a −3 dB bandwidth of over 60 MHz are provided. Although intended primarily for applications where speed is important, the circuit exhibits good static accuracy in computational applications. Scaling is accurately determined by a band-gap voltage reference and all critical parameters are laser-trimmed during manufacture.The full bandwidth can be realized over most of the gain range using the AD539 with simple resistive loads of up to 100 Ω. Output voltage is restricted to a few hundred millivolts under these conditions.
The two channels provide flexibility. In single-channel applications, they can be used in parallel to double the output current, in series to achieve a square-law gain function with a control range of over 100 dB, or differentially to reduce distortion. Alternatively, they can be used independently, as in audio stereo applications, with low crosstalk between channels. Voltage-controlled filters and oscillators using the state-variable approach are easily designed, taking advantage of the dual channels and common control. The AD539 can also be configured as a divider with signal bandwidths up to 15 MHz.
Power consumption is only 135 mW using the recommended ±5 V supplies. The AD539 is available in three versions: the J and K grades are specified for 0 to 70°C operation and S grade is guaranteed over the extended range of −55°C to +125°C. The J and K grades are available in either a hermetic ceramic SBDIP (D-16) or a low cost PDIP (N-16), whereas the S grade is available in ceramic SBDIP (D-16) or LCC (E-20-1). The S grade is availa¬ble in MIL-STD-883 and Standard Military Drawing (DESC) Number 5962-8980901EA versions.
APPLICATIONS
Precise high bandwidth AGC and VCA systems
Voltage-controlled filters
Video signal processing
High speed analog division
Automatic signal-leveling
Square-law gain/loss control
标题 | 类型 | 大小(KB) | 下载 |
---|---|---|---|
AD539 Military Data Sheet | 97 | 点击下载 |
传统吸尘器大多有外观笨重,占空间大等缺点,而且清扫时还要拖着一根长长的电线,因此使用并不非常方便。
A33G539产品基于75MHz Arm®Cortex®-M3内核,拥有768KB Dual-Bank闪存、32KB 数据闪存和24KB SRAM,支持16位定时器、12位ADC 以及4通道UART、2通道SPI,2路I2C外设。
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快换系统:IO分配标准: 537-544 A 539开锁 A 540 复位 E537快换头上有件 E538快换头锁上,E539快换头解锁, E540快换设备准备就绪.
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