switch card
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例句
This is not usually specified for a switch card, but the limitation is usually a function of the trace width and connector ratings .
虽然开关卡的技术指标并不明确显示，但是电流限值通常是走线宽度和连接器额定值的函数。
End-of-life is generally considered to be the time when the total channel resistance exceeds the specifications for the switch card.
当总通道电阻超过了开关卡的指标时，则认为使用寿命终了。
The contact resistance is the resistance across a closed pair of contacts on a switch card.
接触电阻是指开关卡上一对闭合的触点之间的电阻。
To measure the offset of a switch card, connect the output of the card to a pico ammeter or electrometer.
若要测量开关卡的偏移电流，请将卡的输出连接到一台皮安计或静电计。
The contact potential or thermoelectric offset voltage is the key specification of a switch card designed for low voltage switching.
接触电势或热电效应偏移电压是设计用于低压切换的开关卡的关键技术指标。
Contact potential is affected by changes in ambient temperature as well as by the presence of temperature gradients across a switch card.
接触电势受环境温度变化以及开关卡上温度梯度的影响。
Information about making connections to a particular switch card can be found in the card's manual.
关于连接特定开关卡的信息，请参阅开关卡的手册。
However, this method is the least expensive because a general-purpose switch card or module can be used.
然而，由于可以使用通用的开关卡或模块，所以该方法是最为经济。
This may require using a high current switch card for sourcing and a low voltage switch card for measuring.
这就可能需要利用一个大电流开关卡来提供电流，一个小电压开关卡用于测量。
Even if all this is done to the switch card, external connectors and cables can still degrade performance.
即使对开关卡采取所有这些措施，外部连接器和电缆还仍然会降低性能。
The offset current specification of the switch card should be as low as possible for switching low current.
对于切换小电流来说，开关卡的偏移电流指标应该尽可能小。
This section describes microwave switch types, RF switch card specifications, and RF switch design considerations.
本节介绍微波开关的类型、RF开关卡技术指标，以及设计RF开关时的注意事项。
Factors that affect the maximum current through the switch card include the traces on the board, the connectors, and the relays.
影响通过开关卡的最大电流的因素包括电路板上的走线、连接器和继电器。
Switch card specifications are usually stated with a specific application in mind, such as low current or high voltage switching.
开关卡的技术指标通常是由特定的应用决定的，例如小电流或高电压切换。
Furthermore, system hardware design contains the design of power card, vector driver card, and channel switch card.
此外，系统硬件设计还包括电源板、矢量驱动板和通道切换板。
Handle the switch card by the edges to avoid contaminating it with dirt, body oil, etc.
在拿放开关卡是要握住侧边，以防灰尘、人体油脂等对其造成污染。
Then connect the voltmeter to the HI and LO output terminals of the switch card.
然后将伏特计连接到开关卡的HI和LO输出端子。
To prevent leakage current on the switch card, take special care when handling to prevent degradation of performance.
为预防开关卡上的漏流，在防止性能劣化时要特别注意。
To avoid switch card damage, be particularly careful when switching voltages of ~200V or higher.
为避免损坏开关卡，在切换大约200V或更高的电压时，需要特别注意。
The connections to the switch card itself represent another source of thermally generated voltages.
开关卡的连接本身也是另一个热电电压源。
power is routed to the handsets by the Model 7053 High Current Switch Card.
电源通过7053型大电流开关卡路由至手机。
To ensure proper shielding, choose a switch card with shielded connectors, such as coax or triax connectors.
为确保合适的屏蔽，请选择带有屏蔽连接器的开关卡，例如同轴或同轴三柱连接器。
It can be found on the switch card, in the connecting cables, and in the test fixture.
在开关卡、连接电缆和测试夹具中，都会存在漏泄电流。
Refer to the instruction manual for the switch card for isolation measurement procedures specific to that card;
关于测量特定开关卡的隔离指标的步骤请参阅开关卡的说明手册。
Industry: Group Phone; Switch; Card; Communication cable; Communications equipment agent; IP telephone;
所属行业：集团电话；交换机；普通卡；通讯电缆；通信器材代理；IP电话机；；
