KEITHLEY 7702 40通道差分复用器模块 (40 CH)

INPUTS

Maximum Signal Level :

Channels (1-40): 300V DC or rms, 1A switched, 60W, 125VA maximum.

Channels (41-42): 60V DC or 30V rms, 3A switched, 60W, 125VA maximum.

Contact Life (typ): >10^5 operations at max. signal level.

                   >10^8 operations no load1

Minimum signal level: 10mV, 10µA.

Contact Resistance : <1W at end of contact life.

Contact Potential :

<±500nV typical per contact, 1µV max

<±500nV typical per contact pair, 1µV max

Offset Current: <100pA.

Connector Type: Screw terminal, #20 AWG wire size

Isolation Between Any Two Terminals : >10^10Ω, <100pF.

Isolation Between Any Terminal and Earth : >10^9 Ω, <200pF.

Cross Talk (10MHz, 50Ω Load): <–40dB.

Insertion Loss (50Ω Source, 50Ω Load): <0.1dB below 1MHz, <3dB below 2MHz.

Common Mode Voltage : 300V between any terminal and chassi