EK43704-11 datasheet(3/20 Pages) PSEMI

Part #	EK43704-11

Description	RF Digital Step Attenuator, 7-bit

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Manufacturer	PSEMI [Peregrine Semiconductor]

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PE43704

Product Specification

Document No. DOC-16514-7 |

www.psemi.com

Page 3 of 20

Table 2. Electrical Specifications: 0.5 dB steps @ +25°C, VDD = 2.3V to 5.5V, VssEXT = 0V or

VDD = 3.4V to 5.5V, VssEXT = -3.4V (ZS = ZL = 50Ω) unless otherwise noted

Parameter

Condition

Frequency

Min

Typ

Max

Unit

Operating frequency

9 kHz

7000 MHz

As shown

Attenuation range

0.5 dB Step

0 – 31.5

dB

Insertion loss

9 kHz – 2 GHz

2 GHz – 4 GHz

4 GHz – 6 GHz

6 GHz – 7 GHz

1.3

1.7

2.4

2.5

1.4

1.9

2.7

2.9

dB

Attenuation error

0 dB – 15.5 dB Attenuation settings

9 KHz ≤4 GHz

(0.15 + 3% of

Attenuation Setting)

- (0.1 + 2% of

Attenuation Setting)

dB

4 GHz – 7 GHz

+ (0.25 + 5% of

Attenuation Setting)

- 0.25

dB

9 KHz ≤4 GHz

+ (0.15 + 3% of

Attenuation Setting)

- (0.1 + 2% of

Attenuation Setting)

dB

16 dB – 31.5 dB Attenuation settings

4 GHz – 7 GHz

+ (0.25 + 6% of

Attenuation Setting)

- (0.25 + 2.5% of

Attenuation Setting)

dB

Return loss

Input port

9 kHz – 4 GHz

4 GHz – 7 GHz

20

16

dB

Return loss

Output port

9 kHz – 4 GHz

4 GHz – 7 GHz

17

14

dB

Relative phase

0 dB – 31.5 dB Attenuation settings

9 kHz – 7 GHz

65

deg

Input 1dB compression point1

50 MHz – 7 GHz

32

34

dBm

IIP3

Two tones at +18 dBm, 20 MHz spacing

50 MHz – 7 GHz

61

dBm

Typical spurious value2

VssEXT = 0V

–140

dBm

RF Trise/Tfall

10% / 90% RF

600

ns

Settling time

RF settled to within 0.05 dB of final value

2

µs

Switching time

50% CTRL to 90% or 10% RF

1.1

µs

Notes: 1. The input 1dB compression point is a linearity figure of merit. Refer to Table 5 for the RF input power PIN (50Ω)

2. To prevent negative voltage generator spurs, supply –3.4 volts to VssEXT

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