LG C1100 Service Manual page 26

3.6.1 Baseband transmit section
1. The AD6537B Baseband Transmit Section is designed to support GMSK for both single-
slot and multi-slot application.
2. The transmit channel consists of a digital GMSK modulator, a matched pair of 10-bit
DACs and a matched pair of reconstruction filter
3.6.2 Baseband receive section
1. This section consists of two identical ADC channels that process baseband in-phase(I)
and quadrature(Q) input signals.
2. Each channel consists of a coarse switched capacitor Anti-Alias filter, followed by a low-
pass digital filter
Figure 3-12. AD6537B BASEBAND TRANSMIT SECTION
Figure 3-13. AD6537B BASEBAND RECEIVE SECTION
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3. TECHNICAL BRIEF