SP8855 Просмотр технического описания (PDF) - Mitel Networks

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Компоненты Описание

производитель

SP8855

2.8GHz Parallel Load Professional Synthesiser

Mitel Networks 

SP8855E

From equation 3:

τ3

=

-

tan

45°

+

1

cos 45°

=

0.4142

100kHz x 2π

628319

τ3 = 659 x 10-9

From equation 2:

1

τ2

=

(100kHz

x 2π)2 x 659 x 10-9

τ2 = 3.844 x 10-6

Using these values in equation 1:

τ1

1 x 10 -3 x 2π x 10MHz/V

= 100 x (2π x 100kHz)2

[A]1/2

Where A is:

1 + ωn2 τ22 = 1 + (2π x 100kHz) 2 x (3.844 x 10 -6) 2

1 + ωn2 τ32 1 + (2π x 100kHz) 2 x (659 x 10 -9) 2

τ1 =

62832

39.48 x 1012

6.833 1/2

1.1714

τ1 = 1.59 x 10 -9 x 2.415

τ1 = 3.84 x 10 -9

Now τ1 = C1 ∴ C1 = 3.84nF

τ2 = R2 (C1 + C2)

τ3

=C R

22

Substituting for C2

τ2 = R2

C1

+

τ3

R2

∴ τ2 = R2 C1 + τ3

∴ R2 =

τ2 - τ3

C1

3.844 x 10 -6 - 659 x 10 -9

=

9.61 x 10 -9

R2 = 829.4Ω

τ3 = C2 R2

∴

C

2

=

τ3

R

=

2

659 x 10 -9

829.4

C2 = 0.794nF

12

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