Datasheet > QP1T

QP1T

更新时间： 2024-09-28 22:25:15

品牌	Logo	应用领域
MITEL		接收机电话
页数	文件大小	规格书
9页	117K
描述
CDMA/AMPS dual Band IF Receiver for Digital Phones

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中文翻译

获取价格

数据手册

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QP1T 数据手册

Preliminary Information

SATURN

CDMA/AMPS dual Band IF Receiver for Digital Phones

Preliminary Information

DS4721

Issue 4.2

April 1999

Features

Odering Information

● Selectable IF input buffers with characteristic

impedance suitable for interface to IF CDMA and

FM SAW filter outputs

SATURN/KG/QP1S

SATURN/KG/QP1T

● AGC amplifiers with 90dB of variable gain, fully

compensated for temperature variation

Description

● IQ demodulator with accurately defined output DC

level and low DC offsets

TheSATURNcircuitisdesignedforuseindualbanddual

mode mobile phones (CDMA/AMPS). The circuit is

designed to be compataible with digital baseband and

mixed signal circuit chips from Mitel (Planet Chip-set)

and Qualcomm (MSM2 and BBA). A wideband AGC

amplifier allows the input of CDMA or AMPS signal paths

with a range power management control options.

● LO operating at twice frequency with high accuracy

quadrature generation

● Sophisticated power management control operation

● Overload indicator

FM IFIN

I OUT

CDMA IFIN

Q OU T

Gain

Control

Temperature

Comp.

AGC

DLL

BAND 1900

PRESCALER

Overload

Indicator

STARTUP

ENABLE

Mode

Control

VHF VCC

VHF VEE

MODE CDM

Figure 1 Block diagram

12 3 4 5 6 7...9

中文翻译

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