F1978 datasheet(9/26 Pages) IDT

номер детали	F1978

подробное описание детали	6-Bit, 75 Digital Step Attenuator

PDF	26 Pages

Scroll/Zoom	100%

производитель	IDT [Integrated Device Technology]

домашняя страница	http://www.idt.com

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9 / 26 page

F1978 Datasheet

Rev O August 28, 2017

Typical Performance Characteristics

Figure 4.

Insertion Loss vs. Frequency

Figure 5.

Insertion Loss vs. Attenuation State

Figure 6.

RF1 Return Loss vs. Frequency

(All States)

Figure 7.

RF1 Return Loss vs. Attenuation

State

Figure 8.

RF2 Return Loss vs. Frequency

(All States)

Figure 9.

RF2 Return Loss vs. Attenuation

State

-4.0

-3.5

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Frequency (GHz)

-40 C

+25 C

+105 C

-35

-30

-25

-20

-15

-10

-5

10 12 14 16 18 20 22 24 26 28 30 32

Attenuation (dB)

1 GHz, -40 C

1 GHz, +25 C

1 GHz, +105 C

-40

-35

-30

-25

-20

-15

-10

-5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Frequency (GHz)

-40

-35

-30

-25

-20

-15

-10

-5

10 12 14 16 18 20 22 24 26 28 30 32

Attenuation (dB)

0.01 GHz

0.50 GHz

0.75 GHz

1.00 GHz

1.25 GHz

1.50 GHz

1.75 GHz

2.00 GHz

-40

-35

-30

-25

-20

-15

-10

-5

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Frequency (GHz)

-40

-35

-30

-25

-20

-15

-10

-5

10 12 14 16 18 20 22 24 26 28 30 32

Attenuation (dB)

0.01 GHz

0.50 GHz

0.75 GHz

1.00 GHz

1.25 GHz

1.50 GHz

1.75 GHz

2.00 GHz

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