Datasheet > 射频和微波 > 射频/微波上/下变频器> MAX9986ETP+TD

MAX9986ETP+TD

更新时间： 2024-01-01 02:55:37

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
12页	1032K
描述
Down Converter, BICMOS, 5 X 5 MM, LEAD FREE, QFN-20

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技术参数
数据手册
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MAX9986ETP+TD 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	包装说明：	5 X 5 MM, QFN-20
Reach Compliance Code：	not_compliant	风险等级：	5.12
Is Samacsys：	N	特性阻抗：	50 Ω
构造：	COMPONENT	下变频增益-最小值：	9 dB
最大中频频率：	250 MHz	最小中频频率：	50 MHz
JESD-609代码：	e0	LO 可调谐：	YES
安装特点：	SURFACE MOUNT	最大噪声指数：	9.3 dB
端子数量：	20	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装等效代码：	LCC20,.20SQ,25	电源：	5 V
最大射频输入频率：	995 MHz	最小射频输入频率：	815 MHz
射频/微波设备类型：	DOWN CONVERTER	子类别：	RF/Microwave Up/Down Converters
最大压摆率：	265 mA	表面贴装：	YES
技术：	BICMOS	端子面层：	Tin/Lead (Sn/Pb)
Base Number Matches：	1

MAX9986ETP+TD 数据手册

SiGe High-Linearity, 815MHz to 995MHz

Downconversion Mixer with LO Buffer/Switch

Pin Description

NAME

FUNCTION

Power-Supply Connection. Bypass each V

Application Circuit.

pin to GND with capacitors as shown in the Typical

1, 6, 8, 14

Single-Ended 50Ω RF Input. This port is internally matched and DC shorted to GND through a balun.

Requires an external DC-blocking capacitor.

Center Tap of the Internal RF Balun. Bypass to GND with capacitors close to the IC, as shown in the

Typical Application Circuit.

TAP

GND

4, 5, 10, 12,

13, 17

Ground

LOBIAS

LOSEL

LO1

Bias Resistor for Internal LO Buffer. Connect a 619Ω 1% resistor from LOBIAS to the power supply.

Local Oscillator Select. Logic control input for selecting LO1 or LO2.

Local Oscillator Input 1. Drive LOSEL low to select LO1.

LO2

Local Oscillator Input 2. Drive LOSEL high to select LO2.

External Inductor Connection. Connect a low-ESR, 30nH inductor from LEXT to GND. This inductor

carries approximately 140mA DC current.

LEXT

Differential IF Outputs. Each output requires external bias to V

Typical Application Circuit).

through an RF choke (see the

18, 19

IF-, IF+

IFBIAS

GND

IF Bias Resistor Connection for IF Amplifier. Connect a 953Ω 1% resistor from IFBIAS to GND.

Exposed Ground Paddle. Solder the exposed paddle to the ground plane using multiple vias.

RF Input and Balun

Detailed Description

The MAX9986 RF input is internally matched to 50Ω,

requiring no external matching components. A DC-

blocking capacitor is required because the input is inter-

nally DC shorted to ground through the on-chip balun.

The MAX9986 high-linearity downconversion mixer

provides 10dB of conversion gain and +23.6dBm of

IIP3, with a typical 9.3dB noise figure. The integrated

baluns and matching circuitry allow for 50Ω single-

ended interfaces to the RF and the two LO ports. A sin-

gle-pole, double-throw (SPDT) switch provides 50ns

switching time between the two LO inputs with 49dB of

LO-to-LO isolation. Furthermore, the integrated LO

buffer provides a high drive level to the mixer core,

reducing the LO drive required at the MAX9986’s

inputs to a -3dBm to +3dBm range. The IF port incor-

porates a differential output, which is ideal for provid-

ing enhanced IIP2 performance.

LO Inputs, Buffer, and Balun

The MAX9986 is ideally suited for high-side LO injec-

tion applications with a 960MHz to 1180MHz LO fre-

quency range. For a device with a 570MHz to 850MHz

LO frequency range, refer to the MAX9984 data sheet.

As an added feature, the MAX9986 includes an internal

LO SPDT switch that can be used for frequency-hop-

ping applications. The switch selects one of the two

single-ended LO ports, allowing the external oscillator

to settle on a particular frequency before it is switched

in. LO switching time is typically less than 50ns, which

is more than adequate for virtually all GSM applica-

tions. If frequency hopping is not employed, set the

switch to either of the LO inputs. The switch is con-

trolled by a digital input (LOSEL): logic-high selects

LO2, logic-low selects LO1. To avoid damage to the

Specifications are guaranteed over broad frequency

ranges to allow for use in cellular band GSM,

cdma2000, iDEN, and W-CDMA 2G/2.5G/3G base sta-

tions. The MAX9986 is specified to operate over a

815MHz to 995MHz RF frequency range, a 960MHz to

1180MHz LO frequency range, and a 50MHz to

250MHz IF frequency range. Operation beyond these

ranges is possible; see the Typical Operating

Characteristics for additional details.

part, voltage must be applied to V

before digital

logic is applied to LOSEL. LO1 and LO2 inputs are

internally matched to 50Ω, requiring only a 82pF DC-

blocking capacitor.

_______________________________________________________________________________________

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MAX9986ETP+TD 替代型号

型号	品牌	替代类型	描述	数据表
MAX9986ETP+D	MAXIM	完全替代	Down Converter, BICMOS, 5 X 5 MM, LEAD FREE, QFN-20
MAX9986ETP-T	MAXIM	功能相似	SiGe High-Linearity, 815MHz to 995MHz Downconversion Mixer with LO Buffer/Switch
MAX9986ETP	MAXIM	完全替代	SiGe High-Linearity, 815MHz to 995MHz Downconversion Mixer with LO Buffer/Switch

与MAX9986ETP+TD相关器件

型号	品牌	获取价格	描述	数据表
MAX9986ETP-T	MAXIM	获取价格	SiGe High-Linearity, 815MHz to 995MHz Downconversion Mixer with LO Buffer/Switch
MAX9987	MAXIM	获取价格	+14dBm to +20dBm LO Buffers/Splitters with ±.1dB Variation
MAX9987EGP	MAXIM	获取价格	+14dBm to +20dBm LO Buffers/Splitters with 【1
MAX9987ETP+T	MAXIM	获取价格	Splitter, 700MHz Min, 1100MHz Max, 5 X 5 MM, QFN-20
MAX9987ETP-T	MAXIM	获取价格	Splitter, 700MHz Min, 1100MHz Max, BICMOS, 5 X 5 MM, QFN-20
MAX9987EVKIT	MAXIM	获取价格	Evaluation Kits for the MAX9987/MAX9988
MAX9988	MAXIM	获取价格	+14dBm to +20dBm LO Buffers/Splitters with ±.1dB Variation
MAX9988	ADI	获取价格	+14dBm至+20dBm LO缓冲器/分配器，±1dB功率变化
MAX9988EGP	MAXIM	获取价格	+14dBm to +20dBm LO Buffers/Splitters with 【1
MAX9988EVKIT	MAXIM	获取价格	Evaluation Kits for the MAX9987/MAX9988

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