To minimize errors due to such leakage paths, choose a switch card with high isolation resistance and use guarding wherever possible, including in the test fixturing and cabling.

• 为了最小化这样的漏泄通路引起的误差，请选择具有高隔离电阻的开关卡，并尽量采用保护线，包括测试夹具和电缆。