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Table 1 Comparison of key features

From: Ultra low actuation voltage RF MEMS switch

Parameter

Ref. [5]

Ref. [6]

This paper

Frequency (GHz)

50

2

0–3

Pull-in Voltage

4.5

15

0.5

Displacement (μm)

1.5

1.3

1.5

Transition Time

120 ns

7.4 μs

0.5 ms

Isolation (dB)

55

45.7

27

Insertion loss (dB)

0.5

0.25

0.1

Return loss (dB)

12.4

NA

20

1 V CMOS technology

No

No

Yes

Life Cycle

8 × 108

1 × 107

1 × 104

Size

400 × 100 μm2

2000 × 1000 μm2

1264 × 635 μm2

(Lower contact pad)

(SPDT)

(Including biasing pads)