Agilent Technologies L4400 Instrukcja Użytkownika Pobierz pdf (Strona 13)

Agilent N2272A

• Ease of channel density

extension

• Ideal for high density

RF signal routing

• Ease of wiring with BNC

connectors

The N2272A RF high-density

module provides a 1x9 multi-

plexer that can be widely used

in RF test and measurement

system. It consists of a series of

eight RF latching relays in a tree

structure. The module’s low

insertion loss, high isolation and

excellent VSWR performance

guarantee that the RF signals

will not be degraded when routed

from source to destination. In

order to decrease the degradation

when cascading, the auxiliary

channel (channel 08) with smaller

insertion loss and lower VSWR,

is provided. In order to extend

the channel count, channel 08

can be connected to the COM

channel of the next N2272A

module. It can also be used as a

standard channel. BNC connectors

on the module’s front panel are

provided for ease of wiring.

The N2272A can only be

operated in SCPI mode when

installed in 3499A/B mainframes

with firmware 3.0 or later.

1 x 9 RF (1 GHz) Multiplexer Module

CH00

CH01

CH03

CO02

CH04

CH05

CH07

AUX/CH08

COM

CH06

Specifications

Input Characteristics

Total Channels: 9

Maximum Voltage: 24 V

Maximum Current: 1 A

Maximum Power: 24 W

Characteristic

Impedance: 50 Ω

Connector: BNC

Relay life Mechanical 5x10

6

Electrical 10

5

(24 V @ 1 A DC)

DC Performance

Thermal Offset: <8 µV

Initial Closed

Channel Resistance: <0.8 Ω

Insulation Resistance (between terminals):

<(25°C, 50% RH) >10

10

Ω

Capacitance:

Center-Center <0.006 pF

Center-Shield <60 pF

Rise Time: <500 psec

Signal Delay: <2.5 nsec

AC Performance 100 MHz 300 MHz 800 MHz 1 GHz

Insertion Loss <0.5 dB <0.8 dB <1.8 dB <2.5 dB

Crosstalk (Channel-Channel) <-75 dB <-65 dB <-55 dB <-50 dB

VSWR <1.20 <1.30 <1.35 <1.55

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