GND

NETWORK

ANALYZER

VOUT

S

D

50Ÿ

VSIG

RL

50Ÿ

VS

VDD

0.1µF

SxA / SxB / Dx

RL

50Ÿ

VSS

0.1µF

Figure 7-8. Off Isolation Measurement Setup

OUT

S

V

Off Isolation

20 Log

V

§

·

˜

¨

¸

©

¹

(1)

7.9 Crosstalk

Crosstalk is defined as the ratio of the signal at the drain pin (D) of a different channel, when a signal is applied

at the source pin (Sx) of an on-channel. Figure 7-9 shows the setup used to measure, and the equation used to

calculate crosstalk.

NETWORK

ANALYZER

GND

S1A

VSIG = 200 mVpp

VBIAS = VDD / 2

50Ÿ

VOUT

RL

D1

50Ÿ

S4A

50Ÿ

RL

D4

VS

SxA / SxB / Dx

50Ÿ

RL

50Ÿ

RL

VDD

0.1µF

VSS

0.1µF

Figure 7-9. Crosstalk Measurement Setup

OUT

S

V

Channel-to-Channel Crosstalk

20 Log

V

§

·

˜

¨

¸

©

¹

(2)

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TMUX1133, TMUX1134

SCDS412B – JUNE 2019 – REVISED JANUARY 2024

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