N5227B.pdf - 第89页

Find us at www. keysi ght.com Page 89 Figure 8 . Re c eiver B lock Diagram IF gate Anti - al i as fi l ter AD C Di gi t al F IR IF fi l ter Na rrowband fi l ter Ex ternal IF i nput A IF gate Anti-alias filter ADC Digital…

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To base model, adds front-panel jumpers, R1 receiver switch, source and receiver attenuators

(extended power range), and bias-tees.

Figure 6. N5227B Option 419

The following LFE block diagram shows how the low-frequency hardware is configured for a single test

port. The other ports are configured similarly.

Figure 7. N5227B LFE Options

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Figure 8. Receiver Block Diagram

IF gate

Anti-alias

filter

ADC

Digital FIR

IF filter

Narrowband filter

External

IF input