N4850A 데이터 시트보기 (PDF) - HP => Agilent Technologies

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N4850A

N4850A DigRF v3 Acquisition Probe N4860A DigRF v3 Stimulus Probe

HP => Agilent Technologies 

BB-IC Evaluation

Figure 13 shows the test and

measurement configuration that

will enable BB-IC designers

to verify operation of their

components with the DigRF v3

interface. Visibility into the

internal operation of the BB-IC

is acquired by the logic analyzer

through the BB-IC visibility port.

The acquisition probe enables the

logic analyzer to monitor traffic on

the DigRF v3 Tx path as generated

by the BB-IC. The stimulus probe

can be configured to generate

control and digital IQ data packets

for the BB-IC over the DigRF v3

Rx path. Validation engineers can

use these capabilities to evaluate

many of the critical blocks within

the BB-IC.

Visibility into the internal

operation of the BB-IC can be

achieved by monitoring the

visibility port, which is designed

into the BB-IC. Typically, you can

track microcontroller and DSP

operation through the visibility

port. In this manner, control flow

can be analyzed and internal

processing of digital IQ can

be tracked.

Visibility port

µC

DSP

BB-IC

N4860A

Rx

Tx

N4850A

Figure 13. Test equipment configuration needed to verify BB-IC operation

Logic analyzer

Figure 14. Decoder view of BB-IC internal operation

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