LMH2100

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用于 CDMA 和 WCDMA 的 50MHz 至 4GHz 40dB 对数功率检测器

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数据表

document-pdfAcrobat LMH2100 50-MHz to 4-GHz 40-dB Logarithmic Power Detector for CDMA and WCDMA 数据表 (Rev. C) (英语) PDF | HTML

LMH2100

正在供货

数据表

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产品详情

Type

Logarithmic

Frequency (min) (MHz)

50

Frequency (max) (MHz)

4000

Dynamic range (typ) (dB)

40

Current consumption (mA)

7.1

Number of channels

1

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Type

Logarithmic

Frequency (min) (MHz)

50

Frequency (max) (MHz)

4000

Dynamic range (typ) (dB)

40

Current consumption (mA)

7.1

Number of channels

1

Operating temperature range (°C)

-40 to 85

Rating

Catalog

DSBGA (YFQ)

6

1.4000000000000001 mm² (— mm × — mm)

Supply Voltage: 2.7 V to 3.3 V
Output Voltage: 0.3 V to 2 V
40-dB Linear in dB Power Detection Range
Shutdown
Multi-Band Operation from 50 MHz to 4 GHz
0.5-dB Accurate Temperature Compensation
External Configurable Output Filter Bandwidth
0.4-mm Pitch DSBGA Package

Supply Voltage: 2.7 V to 3.3 V
Output Voltage: 0.3 V to 2 V
40-dB Linear in dB Power Detection Range
Shutdown
Multi-Band Operation from 50 MHz to 4 GHz
0.5-dB Accurate Temperature Compensation
External Configurable Output Filter Bandwidth
0.4-mm Pitch DSBGA Package

The LMH2100 is a 40-dB RF power detector intended for use in CDMA and WCDMA applications. The device has an RF frequency range from 50 MHz to
4 GHz. It provides an accurate temperature and supply compensated output voltage that relates linearly to the RF input power in dBm. The circuit operates with a single supply from 2.7 V to 3.3 V.

The LMH2100 has an RF power detection range from −45 dBm to −5 dBm, and is ideally suited for direct use in combination with a 30-dB directional coupler. Additional low-pass filtering of the output signal can be realized by means of an external resistor and capacitor. shows a detector with an additional output low pass filter. The filter frequency is set with R_S and C_S.

shows a detector with an additional feedback low pass filter. Resistor R_P is optional and will lower the Trans impedance gain (R_TRANS). The filter frequency is set with C_P//C_TRANS and R_P//R_TRANS.

The device is active for Enable = High; otherwise it is in a low power-consumption shutdown mode. To save power and prevent discharge of an external filter capacitance, the output (OUT) is high-impedance during shutdown.

For all available packages, see the orderable addendum at the end of the data sheet.

The LMH2100 is a 40-dB RF power detector intended for use in CDMA and WCDMA applications. The device has an RF frequency range from 50 MHz to
4 GHz. It provides an accurate temperature and supply compensated output voltage that relates linearly to the RF input power in dBm. The circuit operates with a single supply from 2.7 V to 3.3 V.

The LMH2100 has an RF power detection range from −45 dBm to −5 dBm, and is ideally suited for direct use in combination with a 30-dB directional coupler. Additional low-pass filtering of the output signal can be realized by means of an external resistor and capacitor. shows a detector with an additional output low pass filter. The filter frequency is set with R_S and C_S.

shows a detector with an additional feedback low pass filter. Resistor R_P is optional and will lower the Trans impedance gain (R_TRANS). The filter frequency is set with C_P//C_TRANS and R_P//R_TRANS.

The device is active for Enable = High; otherwise it is in a low power-consumption shutdown mode. To save power and prevent discharge of an external filter capacitance, the output (OUT) is high-impedance during shutdown.

For all available packages, see the orderable addendum at the end of the data sheet.

filter

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顶层文档	类型	标题	格式选项	下载最新的英语版本		日期
*	数据表	LMH2100 50-MHz to 4-GHz 40-dB Logarithmic Power Detector for CDMA and WCDMA 数据表 (Rev. C)	PDF \| HTML			2015-10-27
	应用手册	Evaluation Board for the LMH2100 Logarithmic Power Detector (Rev. B)				2013-4-30

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评估板

LMH2100EVAL — 用于 LMH2100 对数功率检测器的评估板

This evaluation board is designed to aid in the characterization of National Semiconductors LMH2100 Logarithmic Power Detector. This board simplifies the measurement of the DC output voltage that the LMH2100 produces in response to the power level of the RF signal applied to the RF input. Use the (...)

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DSBGA (YFQ)	6	Ultra Librarian

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LMH2100

用于 CDMA 和 WCDMA 的 50MHz 至 4GHz 40dB 对数功率检测器

LMH2100

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LMH2100EVAL — 用于 LMH2100 对数功率检测器的评估板

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