68

3

Thin-Film Directional Couplers

CP0805 Layout Types

-50

-40

-30

-20

-10

0

100

200

300

400

500

600

-20

-16

-12

-8

-4

0

-60

-50

-40

-30

-20

-10

0

200

300

400

600

700

800

500

-6

-5

-4

-3

-2

-1

0

I. Loss

Coupling

R. Loss

Isolation

I. Loss

Coupling

R. Loss

Isolation

Frequency (GHz)

Frequency (GHz)

50

OHM

COUP

IN

OUT

50

OHM

COUP

IN

OUT

VHF DIRECTIONAL COUPLER

CP0805L0155ASTR

Sn100 LAYOUT

UHF DIRECTIONAL COUPLER

CP0805L0436BSTR

Sn100 LAYOUT

Important: Couplers can be used at any frequency within the indicated range.

Frequency

Coupling

R. Loss

I. Loss

Directivity

P/N

[MHz]

[dB]

[dB]

max

[dB]

[dB]

CP0805L0155ASTR

155

17.1±1

24

0.35

22

Frequency

Coupling

R. Loss

I. Loss

Directivity

P/N

[MHz]

[dB]

[dB]

max

[dB]

[dB]

CP0805L0436BSTR

403-470

15.85±1

35

0.25

22