GX39221 Datasheet

R08DS0261EU0100 Rev.1.00

Nov 28, 2022

Page 9

2.3

Electrical Specifications

All characteristics specified at recommended operating conditions unless otherwise noted

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Symbol Rate

-

-

96

-

Gbaud

Differential Input RF Current [2]

IRFIN

-

0.03

-

3

mAppd

Input DC Current [3]

IDCIN

Each Input

-

-

4

mA

Input DC Offset Current [4]

-

-0.5

-

0.5

mA

Input DC Level

Vinput

-

-

0.8

-

V

Differential Trans-impedance

Gain

Zt

Min Gain setting

-

-

70

Ω

Max Gain setting

2,750

3,250

-

VGA Dynamic Range

ΔVGA

-

30

-

-

dB

Zt Bandwidth

f3dB

3dB down bandwidth

with PD model

59

65

-

GHz

Bandwidth Control [5]

BWcnt

-

-3

-

3

GHz

Zt Group Delay Variation

ΔGD

Up to 40GHz

-

-

7

ps

40G < f < 48G

-

-

12.5

48G < f < f3dB

-

-

12.5

Differential Output Impedance Match

SDD22

50MHz < 32GHz

-

-

-16

dB

32 to 48 GHz

-

-

-14

48 to 64 GHz

-

-

-8

Noise Density [1]

Ieq

Zt = 3,250

Ω, f < f3dB

-

19

-

pA/√Hz

Zt = 1,000

Ω, f < f3dB

-

22

-

Zt = 500

Ω, f < f3dB

-

28

-

Total Harmonic Distortion

THD

f = 1GHz, 0.06 < IinRF

< 3mAppd

0 < IinDC < 4mAs

Vout < 500mVppd

-

0.5

1

%

f = 1GHz, 0.06 < IinRF

< 3mAppd

IinDC < 4mAs

500 < Vout < 700mVppd

-

1

1.5

Zt Common Mode Rejection Ratio

CMRR

100MHz < f < 60GHz

25

40

-

dB

Crosstalk

Xtalk

Up to 60GHz

-

-

-40

dB

Low Frequency Cutoff

fLow

3dB cut-off

-

-

200

kHz

Differential Output Amplitude

Vout

Min. Output

-

-

200

mVppd

Max. Output

700

-

-