Electronically Tunable Dual-Input Integrator Employing a Single CDBA and a Multiplier: Voltage Controlled Quadrature Oscillator Design

Table 2

Tuning error and THD measured at three different tuning frequencies.

Curve	Tuned frequency	𝑓|𝜃=0∘	Δ𝑓	Tuning error	THD
	𝑓0(MHz)	(MHz)	(MHz)	(%)	(%)
A	1.00	1.020	0.020	2.00	2.1
B	0.72	0.727	0.007	0.97	1.8
C	0.50	0.498	0.002	0.40	1.5