Datasheet > TQM879008-PCB

TQM879008-PCB

更新时间： 2022-10-12 15:19:21

品牌	Logo	应用领域
威讯联合 - QORVO		/
页数	文件大小	规格书
10页	745K
描述
1.4-2.7 GHz 1/2 W Digital Variable Gain Amplifier

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中文翻译

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数据手册

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TQM879008-PCB 数据手册

TQM879008

1.4-2.7 GHz 1/2ꢀW Digital Variable Gain Amplifier

Pin Configuration and Description

LE 1

21 GND

20 GND

19 GND

18 GND

17 GND

16 RFOUT

15 GND

DATA 2

CLK 3

NC 4

DSA

AMP2

Matching

AMP3

GND 5

RFIN 6

GND 7

Matching

AMP1

DC Biasing

Backside Pad

GND

Pin No.

Label

Description

Serial Latch Enable Input. When LE is high, latch is clear and content of SPI control the

attenuator. When LE is low, data in SPI is latched.

Serial data input. The data and clock pins allow the data to be entered serially into SPI

and is independent of Latch state.

DATA

CLK

N/C

Serial clock input.

4, 22

No connect or open. This pin is not connected in this module

Input, matched to 50 ohms. Internally DC blocked.

RFIN

VCC_AMP1/ Supply Voltage to AMP1 and AMP2. This pin is connected internally to bypass capacitors

followed by inductor inside the module.

AMP2

Supply Voltage to AMP3. This pin is connected internally to bypass capacitors followed

by inductor inside the module.

VCC_AMP3

RFOUT

VCC_SPI

GND

Output matched to 50 ohms. Internally DC blocked.

SPI and DSA DC supply. This pin is connected to bypass capacitor internally.

RF/DC Ground Connection

5, 7, 9-13, 15,17-21, 23-27

Backside Pad

GND

RF/DC Ground Connection

Evaluation Board PCB Information

Qorvo PCB 1080956 Material and Stack-up

1 oz. Cu top layer

Nelco N-4000-13

0.014"

1 oz. Cu inner layer

0.062" ± 0.006"

Finished Board

Thickness

Core

1 oz. Cu inner layer

1 oz. Cu bottom layer

Nelco N-4000-13

0.014"

Microstrip line details: width = .030”, spacing = .036”.

Datasheet, January 02, 2018 | Subject to change without notice

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