Research Article

Tunable Lowpass Filter with RF MEMS Capacitance and Transmission Line

Figure 4

(a) A SEM image of the fabricated low-pass filter (top view). Three narrow bridges at both sides represent the tunable capacitance. Chip size (2.3 mm × 1 mm) and (b) an enlarged image of the low-pass filter at the capacitance area.
502465.fig.004a
(a)
502465.fig.004b
(b)