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1) Baseband Transmit section
i. The AD6537B Baseband Transmit Section is designed to support GMSK for both single-slot and
multislot applications.
ii. The 6537B includes a digital GMSK modulator which is used for GSM Applications. The transmit
channel consists of a
iii. digital GMSK modulator, a matched pair of 10-bit DACs and a matched pair of reconstruction filter.
Figure 6: AD6537B BASEBAND TRANSMIT SECTION
2) Baseband Receive section
i. This section consists of two identical ADC channels that process baseband in-phase(I) and
quadrature(Q) input signals.
ii. Each channel consists of a coarse switched capacitor Anti-Alias filter, followed by a low-pass digital
filter
Figure 7: AD6537B BASEBAND RECEIVER SECTION
3. TECHNICAL BRIEF
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