Agilent Technologies L4400 Manual de usuario descargar pdf (Pagina 12)

12

Agilent N2268A

• Ideal for wireless

communication test

• Insertion loss

<1.7 dB at 3.5 GHz

The N2268A multiplexer module

has two 1x4 independent multi-

plexers with SMA connectors,

delivering high performance,

very low insertion loss, high

isolation, and excellent VSWR

performance. This high-density

RF multiplexer module is an

economical RF signal switching

solution. Its 3.5 GHz bandwidth

guarantees signals will not be

degraded when switched from

source to destination. Each group

of four channels is isolated from

the other and from the chassis to

prevent ground loops. The wide-

bandwidth performance enables

quality dynamic-range RF signal

measurements using oscilloscopes,

spectrum analyzers, network

analyzers, and GSM/CDMA test

sets. Typical test applications

include switching signals of

Bluetooth transceivers and

L1/L2 GPS receivers, 1.8/1.9 GHz

wireless communication devices

(such as GSM, CDMA, 3G,

DCS1800, and PCS1900 base

stations), and mobile phones.

It can be also used to route

satellite signals.

Dual 1 x 4 RF Multiplexer (3.5 GHz, 50 Ω)

CH 00

CH 00

CH 01

CH 02

CH 03

CH 10

CH 10

CH 11

CH 12

CH 13

Group 00

Group 10

Specifications

Input Characteristics

Maximum Scan Rate:

20 Chans./sec

Maximum Voltage: 30 V, DC + AC peak

Maximum Current: 0.5 A, DC + AC peak

Maximum Power:

(per channel) 10 W

Characteristic

Impedance: 50 Ω

DC Performance

Thermal Offset: <3 µV (<2 µV, typ.)

Initial Closed

Channel Resistance: <1 Ω

Insulation Resistance

(between terminals):

<(40°C, 50% RH)

>10

10

Ω

Capacitance

Center-Center <0.06 pF

Center-Shield <20 pF

Rise Time: <150 psec

Signal Delay: <1.5 nsec

AC Performance

Insertion Loss

1 GHz <0.9 dB

2 GHz <1.2 dB

2.5 GHz <1.4 dB

3.5 GHz <1.7 dB

Crosstalk (Channel-Channel, Channel-Common)

1 GHz <-64 dB

2 GHz <-64 dB

2.5 GHz <-50 dB

3.5 GHz <-50 dB

VSWR

1 GHz <1.20

2 GHz <1.35

2.5 GHz <1.35

3.5 GHz <1.35

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