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Partname: | EVB3013A |
Description: | W3013 Indirect Quadrature Modulator with Gain Control |
Manufacturer: | Agere Systems |
Datasheet: | PDF (145K). Click here to download *) |
The circuit block diagram is shown below. From a single local-oscillator input (LO1), the phase shifter produces two LO signals with 90 phase separation and equal amplitude. The LO signals are fed to the in-phase (I) and quadrature (Q) double-balanced mixers. The resulting signals are summed and fed into an RF mixer where the frequency can be translated to over 2 GHz. Outputs between the summer and RF mixer are available for external filtering. Finally, the signal is amplified to provide a single-ended output. |
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Click here to download EVB3013A Datasheet*) |
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