Datasheet > DB315A

DB315A

更新时间： 2024-09-26 01:24:51

品牌	Logo	应用领域
CMLMICRO		/
页数	文件大小	规格书
11页	180K
描述
Low Distortion Sinewave Output

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数据手册

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DB315A 数据手册

DATA BULLETIN

MX315A CTCSS Encoder

Features

Applications

Field Programmable Tone

Encoder

Mobile Radio Base Stations & Repeater

Stations

ꢁ

40 CTCSS Frequencies

Mobile Radios

ꢁ

Crystal-Controlled Frequency

Stability

Hand-Held Radios

Industrial Controls

Intercom Systems

Door-Entry Systems

Low Distortion Sinewave Output

ꢁ

Few External Components

Required

CMOS Low Power Requirements

ꢁ

Clock

Xtal/Clock

Generator

Xtal

Binary

Programmed Clocks

Rate

D0-D5

Multiplier

TX Tone

Sinewave

TX Tone

Square

Wave

Output

V_DD

Emitter

TX Tone Output

Follower

TX Enable

Enable

The MX315A is a monolithic CMOS tone encoder for sub-audible tone squelch systems, which provides three

additional frequencies over the earlier MX315A. These frequencies are 69.3, 97.4 and 206.5Hz. The tone

frequencies are derived from an input reference frequency. An on-chip inverter is provided to drive an

external crystal circuit.

Tone selection is achieved through six programming inputs and two control inputs (which allow either a logic

“1” or “0” to enable the device). A low distortion sinewave is generated at the TX Tone Output when the

MX315A is enabled. The emitter follower output stage can source 1mW directly into a 600ꢂ load (0dBm).

The MX315A is available in the following package styles: 16-pin SOIC (MX315ADW), 14-pin PDIP

(MX315AP) and 14-pin CDIP (MX315AJ).

1998 MX COM, INC.

www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054

Doc. # 20480054.006

ꢀ

ꢁ

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

All Trademarks and service marks are held by there respective companies.

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