2

Rev. 0.1

BeRex

●website: www.berex.com

●email: sales@berex.com

Specifications and information are subject to change and products may be discontinued without notice. BeRex is a trademark of BeRex.

All other trademarks are the property of their respective owners. © 2018 BeRex

6bit Digital Step Attenuator

1MHz– 4GHz

BDA4601

1.

Device performance _ measured on a BeRex Evaluation board Kit at 25°C, 50 Ω system, VDD=+3.3V

2.

All data has PCB insertion loss de-embedded

Table 1. Electrical Specifications

1

Parameter

Condition

Frequency

Min

Typ

Max

Unit

Operational Frequency Range

1

4000

MHz

Insertion Loss

2

Attenuation = 0dB

1MHz - 1GHz

0.8

0.9

dB

> 1 - 2GHz

1.1

1.3

dB

> 2 - 3GHz

1.3

1.6

dB

> 3 - 4GHz

2.3

2.8

dB

Attenuation

Range

0.5dB step

0 - 31.5

dB

Accuracy

Any bit or bit combination

1MHz - 1GHz

±(0.15 + 1% of attenuation state)

dB

> 1 - 2.2GHz

±(0.15 + 2% of attenuation state)

> 2.2 - 3GHz

±(0.15 + 5% of attenuation state)

> 3 - 4GHz

±(0.15 + 8% of attenuation state)

Return loss

Input Return

Loss

Attenuation = 0dB

1 - 2GHz

24

dB

> 2 - 4GHz

16

Output Return

Loss

1 - 2GHz

22

> 2 - 4GHz

15

Relative Phase

Attenuation = 0dB

1GHz

11

degree

2GHz

26

3GHz

30

4GHz

48

Input Linearity

Input 0.1dB

Compression

point

Attenuation = 0dB

2140MHz

34

dBm

Input IP3

Pin= +5dBm/tone

△f = 10KHz

Attn=0.0dB RFin =RF1

1950MHz

52

dBm

Attn=0.0dB RFin =RF2

56

Attn=15.5dB RFin =RF1

57

Attn=15.5dB RFin =RF2

52

Switching time

50% CTRL to 90% or 10% RF

500

800

ns

Supply Current

Normal Mode

150

180

μA

Bypass Mode

50

80

μA

Negative supply Current

-40

-16

μA