PE43713

UltraCMOS® RF Digital Step Attenuator

DOC-49614-1 – (3/2015)

Page 5

www.psemi.com

Attenuation error

1 dB step

0–8 dB

9 kHz–2.2 GHz

±(0.20 + 1.5% of

attenuation setting)

dB

9–31 dB

9 kHz–2.2 GHz

±(0.20 + 2.0% of

attenuation setting)

dB

0–31 dB

>2.2–3.0 GHz

±(0.15 + 3.0% of

attenuation setting)

dB

0–31 dB

>3.0–5.0 GHz

±(0.25 + 5.0% of

attenuation setting)

dB

0–31 dB

>5.0–6.0 GHz

±(0.25 + 5.0% of

attenuation setting)

dB

Return loss

Input port or output port

9 kHz–4 GHz

4–6 GHz

13

15

dB

dB

Relative phase

All states

9 kHz–4 GHz

4–6 GHz

27

42

deg

deg

Input 0.1dB compression

48 MHz–6 GHz

31

dBm

Input IP3

Two tones at +18 dBm, 20 MHz

spacing

4 GHz

6 GHz

57

56

dBm

dBm

10%/90% RF

200

ns

Settling time

RF settled to within 0.05 dB of final

value

1.6

µs

Switching time

50% CTRL to 90% or 10% RF

275

ns

Attenuation transient

(envelope)

2 GHz

0.3

dB

Notes:

3) The input 0.1 dB compression point is a linearity figure of merit. Refer to Table 2 for the operating RF input power (50

Ω).

Parameter

Condition

Frequency

Min

Typ

Max

Unit