UMTS Digital Gain Control Amplifier, 1.94 - 2.34 GHz

AM55-0027

Specifications subject to change without notice.

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Ordering Information

Part Number

Package

AM55-0027

Bulk Packaging

AM55-0027TR

Tape and Reel (1K Reel)

AM55-0027-TB

Units Mounted on Test Board

Typical Performance Curves

Input Return Loss vs. Frequency

Gain vs. Frequency

Output Return Loss vs. Frequency

15

17

19

21

23

25

27

1.94

2.04

2.14

2.24

2.34

Frequency (GHz)

-35

-30

-25

-20

-15

-10

1.94

2.04

2.14

2.24

2.34

Frequency (GHz)

-24

-22

-20

-18

-16

-14

-12

-10

1.94

2.04

2.14

2.24

2.34

Frequency (GHz)

Pin Out Table

Control Pin

5V

0V

Vcc6

0.25 dB

Vcc1

0.5 dB

Vcc2

1 dB

Vcc3

Vcc3N

2 dB

Vcc4

Vcc4N

4 dB

Vcc5

Vcc5N

8 dB

Attenuation

State

*All Vdd pins = 5V

Example: To get 7.5 dB Attenuation Vcc4 = 5V, Vcc4N = 0V,

Vcc3 = 5V, Vcc3N = 0V, Vcc2 = 5V and Vcc1 = 5V

Note: In this case Vcc5 = 0V therefore Vcc5N is 5V, and

Vcc6 = 0

Pin Out Figure

VCC6

N/C

VDD1

RF IN

N/C

N/C

RF OUT

VDD3

VDD2

N/C

VCC1

VCC3N

VDD

VCC5N

VCC4N

VCC4

VCC2

VCC5

VCC3

N/C

Pin #1

Pin #20