PE4314B-Z datasheet(4/27 Pages) PSEMI

4 / 27 page

PE4314

RF Digital Step Attenuator

Page 4

DOC-81718-1 – (02/2017)

www.psemi.com

Electrical Specifications

Table 3 provides the PE4314 key electrical specifications @ +25 °C, ZS = ZL = 75Ω, unless otherwise specified.

Normal mode(1) is @ VDD = 3.3V and VSS_EXT = 0V. Bypass mode

(2) is @ V

DD = 3.4V and VSS_EXT = –3.4V.

Table 3 • PE4314 Electrical Specifications

Parameter

Condition

Frequency

Min

Typ

Max

Unit

Operating frequency

1 MHz

2.5 GHz

shown

Attenuation range

0.5 dB step

0–31.5

Insertion loss

Reference state

1–204 MHz

204–870 MHz

870–1218 MHz

1218–2500 MHz

1.0

1.2

1.3

1.5

1.25

1.50

1.80

1.90

Attenuation error

Any bit or bit combination

1–204 MHz

204–1218 MHz

1218–1794 MHz

1794–2500 MHz

See Fig. 13–

Fig. 17

±(0.15 + 2% of

attenuation setting)

±(0.15 + 3% of

attenuation setting)

±(0.15 + 4% of

attenuation setting)

± (0.15 + 8% of

attenuation setting)

Return loss

Input and output ports, refer-

ence state

1–204 MHz

204–870 MHz

870–1794 MHz

1794–2500 MHz

Relative phase

All states

870 MHz

1000 MHz

1218 MHz

deg

Input 0.1dB compression

point(3)

30–2500 MHz

dBm

Input IP2

Two tones at +15 dBm

10 kHz spacing

0 dB and 31.5 dB attenua-

tion states

5 MHz

10 MHz

17 MHz

35 MHz

500 MHz

1000 MHz

1900 MHz

2500 MHz

0 dB

31.5 dB

dBm

104

106

110

100

101

104

105

110

113

102

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