设置
快速交货
免运费
国际贸易术语
支付类型
市场产品
Crosstalk is a measure of the cross-coupling between switch channels, and is invariably worse for adjacent channels. It is another frequency-dependant characteristic of the switch, and degrades as frequency increases. Crosstalk occurs as a result of the feed through across Cswitch, and also because of signal coupling between the switches due to parasitic capacitances between the die and between the package leads. Crosstalk can be minimized by choosing a switch with low RON, as that maximises the output signal, thereby reducing the effects of the cross-coupled signal. A good circuit board layout is also recommended to keep stray capacitances to a minimum. Insertion loss is a measure of the small signal attenuation of the signal through the switch as a result of reflections at the input of an On switch. Reflections occur because of an impedance mismatch in the system due to the RON of the switch. To keep insertion loss to a minimum, the designer can choose a low RON switch, or adjust the load to account for the RON of the switch.
