TDA8050A データシートの表示（PDF） - Philips Electronics

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TDA8050A

QPSK transmitter

Philips Electronics 

Philips Semiconductors

QPSK transmitter

Product specification

TDA8050A

IF_FILT

imbalance

LO(sup)

FCE435

measure 2 flo(2)

measure 1 flo(2)

frequency

The amplitude imbalance and the LO suppression are measured in the spectrum of the signal measured at the output IF_FILT

and are defined in the following conditions:

measure 1: I input frequency = 500 kHz; I input level = 400 mV (p-p) sine wave; unused input as 0 V differential.

measure 2: Q input frequency = 500 kHz; Q input level = 400 mV (p-p) sine wave; unused input as 0 V differential.

Fig.3 Imbalance and LO suppression.

1999 Nov 05

10

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