Agilent Technologies 8935 Series Especificações descarregar pdf (Página 303)

100

101

302 Chapter 10

Block Diagrams

CDMA Generator Section

Data Generation

The A2A34 Data Buffer, see Figure 10-14 on page 304, generates or

buffers external data that emulates a CDMA traffic channel and

outputs this data to the A2A100 CDMA Generator Reference, see

Figure 10-13 on page 303. The CDMA Generator Reference assembly

converts the data into I and Q drive signals and sends it back to the

Data Buffer to be summed with calibrated noise sources. The signals

are then passed to the A2A120 LO IF/IQ Modulator for modulation with

RF.

CDMA Reference

The A2A100 CDMA Generator Reference, see Figure 10-13 on page 303,

supplies all the CDMA clocks for the A2A36 Receive DSP and the

A2A34 Data Buffer. The CDMA Generator Reference also provides

reference switching for an external or the internal reference source.

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