UTC571 データシートの表示（PDF） - Unisonic Technologies

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UTC571

LINEAR INTEGRATED CIRCUIT / COMPANDER

Unisonic Technologies 

UTC571

LINEAR INTEGRATED CIRCUIT

rectifier and DG cell, and a bias current for the DG cell. The low tempco of this type of reference provides very

stable biasing over a wide temperature range.

The typical performance characteristics illustration shows the basic input-output transfer curve for basic

compressor or expander circuits.

+20

+10

0

-10

-20

-30

-40

-50

-60

-70

-80

-40 -30 -20 -10 0 +10

COMPRESSOR OUTPUT LEVEL OR

EXPANDOR INPUT LEVEL(dBm)

Basic Input-Output Transfer Curve

TYPICAL TEST CIRCUIT

Vcc=15V

0.1­F

10­F

2.2­F

20k

V1

3.14

G

6.11

20k

V0

7.10

2.2­F

10k

V2

2.15

VREF

30k

4

1.16

5.12

8.9

2.2­F

8.2k

200pF

Typical Test Circuit

YOUW ANG ELECTRONICS CO.LTD

4

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