ULS4X2

Advance

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

6 of 8

www.unisonic.com.tw

QW-R140-003.a



TRUTH TABLE

OUT

OUT

IN

IN

IN

IN

VHM

Above Figure Show the Function of VHM. (Vertical/Horizontal Mirror)

OUT

OUT

IN

IN

IN

IN

VHM

Above Figure Show the Different Between UTC

and

UTC

(High/low Band Upside Down)

V1, V2=0 means DC voltage=9.5~14V, V1, V2=1 means DC voltage=15.5~19V

T1, T2=0 means 22KHz tone disappeared. T1, T2=1 means 22KHz tone appeared.

UTC ULS4X2A When pin 18 “VHM” connected to GND

CONTROL INPUT

OUTPUT TO INPUT STATE

State

V1

T 1

V2

T2

OP1

OP2

1

0

0

0

0

HH

HH

2

0

0

0

1

HH

HL

3

0

0

1

0

HH

VH

4

0

0

1

1

HH

VL

5

0

1

0

0

HL

HH

6

0

1

0

1

HL

HL

7

0

1

1

0

HL

VH

8

0

1

1

1

HL

VL

9

1

0

0

0

VH

HH

10

1

0

0

1

VH

HL

11

1

0

1

0

VH

VH

12

1

0

1

1

VH

VL

13

1

1

0

0

VL

HH

14

1

1

0

1

VL

HL

15

1

1

1

0

VL

VH

16

1

1

1

1

VL

VL