Two Integrator Loop Filters: Generation Using NAM Expansion and Review

Table 2

Types of the DVCC used in the two integrator loop filters.

Circuit number	DVCC1	DVCC2	BP Polarity	LP Polarity	Floating Polarity	Ref.
A-1	DVCC+	DVCC−	−	+	No	New
A-2	DVCC+	DVCC+	−	+	No	New
A-3	DVCC−	DVCC−	−	+	Yes	New
A-4	DVCC−	DVCC+	−	+	No	[13]
B-1	DVCC−	DVCC+	+	+	No	New
B-2	DVCC−	DVCC−	+	+	Yes	New
B-3	DVCC+	DVCC+	+	+	No	[16]
B-4	DVCC+	DVCC−	+	+	No	New