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U2751A

Product speciﬁcations

Model

U2751A

Without U2922A terminal block With U2922A terminal block

Channels/conﬁguration 4 × 8, 2-wire

Switch type Armature latching

Input characteristics (per channel)

Max working voltage

[1]

Standalone

Modular (Used with U2781A)

42 VDC/35 Vrms

180 VDC/180 Vrms

Max transient voltage 300 Vrms

Max current

Switch current

Carry current

2 A

Power (W, VA)

[2]

60 W, 62.5 VA

Volt-Hertz limit 108

General speciﬁcation

Thermal emf (differential) < 3 μV

Initial closed channel resistance < 1.5 Ω

DC isolation (ch-ch, ch-earth) > 10 GΩ

AC characteristics

Bandwidth

[3]

45 MHz 30 MHz

Insertion loss

100 kHz

1 MHz

10 MHz

45 MHz

0.2 dB

0.3 dB

<2 dB

<3 dB

0.2 dB

0.3 dB

<2 dB

<4.5 dB

Capacitance

HI-LO

LO-Earth

55 pF

35 pF

85 pF

45 pF

Crosstalk at terminal block (ch-ch)

[3]

300 kHz

1 MHz

20 MHz

45 MHz

–70 dB

–60 dB

–35 dB

–30 dB

General characteristics

Relay life, typical

No load

10 V, 100 mA

Related load

100 M

10 M

100 k

Open/close time 4 ms/4 ms

[1]

DC or AC rms, channel-to-channel or channel-to-earth.

[2]

Limited to 6 W channel resistance power loss per module.

[3]

50 Ω source, 50 Ω load, differential measurements veriﬁed with a 4-port network analyzer (Sdd21).

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Agilent Technologies U2802A Manuale Utente Pagina 65

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