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-A simple delta sigma converter using XSPICE
-according to
-Schreier, Temes: Understanding Delta-Sigma Data Converters, 2005
-Fig. 2.13, p. 31; Fig. 2.27, p.58
-
-
-delta-sigma-1.cir
-converter complete, tested against sine input
-
-mod1-ct.cir
-first order modulator
-consists of analog continuous time integrator and
-digitally latched comparator
-
-count-latch-dac.cir
-contains subcircuits of
-10 bit digital latch
-10 bit counter, non-revolving, saturating
-simple 10 bit DAC with analog B source
-
-mod1-ct-test.cir
-test of modulator with sine input, shows noise shaping 20dB/decade
-
-counter-test.cir
-simple test with reset