PE43072 datasheet(2/11 Pages) PEREGRINE

Part #	PE43072

Description	50 廓 RF Digital Attenuator 7-bit, 31.75 dB, DC-4.0 GHz

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Manufacturer	PEREGRINE [Peregrine Semiconductor Corp.]

Direct Link	http://www.peregrine-semi.com

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Product Specification

PE43702

Page 2 of 11

Document No. 70-0244-03

│ UltraCMOS™ RFIC Solutions

-2

-1.5

-1

-0.5

0

0.5

1

1.5

2

0

5

10

15

20

25

30

35

Attenuation Setting (dB.)

200MHz

2200MHz

3000MHz

4000MHz

-2.00

-1.50

-1.00

-0.50

0.00

0.50

1.00

1.50

2.00

0.0

1.0

2.0

3.0

4.0

Frequency (GHz)

0.25dB State

0.5 dB State

1dB State

2dB State

4dB State

8dB State

16dB State

31.75dB State

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0

2468

10

12

14

16

18

20

22

24

26

28

30

32

Attenuation Setting (dB.)

200MHz

900MHz

1800MHz

2200MHz

3000MHz

4000MHz

Table 1. Electrical Specifications @ +25°C, VDD = 3.3 V or 5.0 V

Parameter

Test Conditions

Frequency

Min

Typical

Max

Units

Frequency Range

DC – 4

GHz

Attenuation Range

0.25 dB Step

0 – 31.75

dB

Insertion Loss

DC - 4 GHz

2.0

2.5

dB

Attenuation Error

0 dB - 7.75 dB Attenuation settings

8 dB - 31.75 dB Attenuation settings

DC - 4 GHz

±(0.2 + 3%)

±(0.3 + 4%)

dB

Return Loss

DC - 4 GHz

18

dB

Relative Phase

All States

DC - 4 GHz

44

deg

P1dB

Input

20 MHz - 4 GHz

30

32

dBm

IIP3

Two tones at +18 dBm, 20 MHz spacing

20 MHz - 4 GHz

57

dBm

Typical Spurious Value

1MHz

-110

dBm

Video Feed Through

10

mVpp

Switching Time

50% DC CTRL to 10% / 90% RF

650

ns

RF Trise/Tfall

10% / 90% RF

400

ns

Settling Time

RF settled to within 0.05 dB of final value.

RBW = 5 MHz, Averaging ON.

4

µs

*Monotonicity is held so long as Step-Error does not cross zero

Figure 3. 0.25dB Step Error vs. Frequency*

5

1015

20

2530

035

5

10

15

20

25

30

0

35

Attenuation State

PE43702 Attenuation

900 MHz

2200 MHz

3800 MHz

Figure 4. 0.25dB Attenuation vs. Attenuation State

Performance Plots

Figure 5. 0.25dB Major State Bit Error

Figure 6. 0.25dB Attenuation Error vs. Frequency

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