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UAA2077TS

更新时间： 2024-01-05 08:05:27

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
16页	73K
描述
2 GHz image rejecting front-end

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技术参数
数据手册

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UAA2077TS 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	SSOP, SSOP16,.25	Reach Compliance Code：	unknown
风险等级：	5.78	Is Samacsys：	N
JESD-30 代码：	R-PDSO-G16	JESD-609代码：	e0
端子数量：	16	最高工作温度：	70 °C
最低工作温度：	-30 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装等效代码：	SSOP16,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
电源：	2.8 V	认证状态：	Not Qualified
子类别：	Other Telecom ICs	最大压摆率：	28 mA
标称供电电压：	2.8 V	表面贴装：	YES
技术：	BICMOS	温度等级：	OTHER
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	DUAL
Base Number Matches：	1

UAA2077TS 数据手册

Philips Semiconductors

Preliminary speciﬁcation

2 GHz image rejecting front-end

UAA2077TS

FUNCTIONAL DESCRIPTION

Receive section

The IF output is of a differential open collector type.

A typical application consists of pull-up resistors of 680 Ω

at each IF output and a differential load resistance of 1 kΩ

for the IF filter, due to its impedance or its matching

network.

The circuit contains a low-noise amplifier followed by two

high dynamic range mixers (see Fig.3). The mixers are of

the Gilbert cell type, the architecture of which is fully

differential.

The power gain refers to the resulting power into the 1 kΩ

load. The path for the DC current from V_CCinto the open

collector outputs should be realized by the inductors.

The LO signal is phase shifted into 45° and 135° signals,

mixed with the RF input signal to provide the

I and Q channel signals. The I and Q channel signals are

buffered, phase shifted by 45° and 135° respectively,

amplified and internally combined, thus obtaining image

rejection.

The output signal is limited to V_CC+ 3V_BE

Fast switching between power-down and the RX mode is

controlled by the mode control pin RXON.

Balanced signal interfaces are used for minimizing

crosstalk from package parasitics.

CCLNA

handbook, full pagewidth

LNAGND

n.c.

2, 5, 8

RXON

GND

UAA2077TS

45°

IFA

IFB

RFINA

RFINB

LNA

COMBINER

135°

FCA013

to LO section

Fig.3 Receive section.

2000 Apr 17

1 2 345 6 7...16

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