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OFM40资料

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40-60W Ultraminiature Open Frame Switching Power SuppliesOFM40/60 series

300 Myles Standish Blvd., Taunton, MA 02780Ph: 1-800-823-8082 Fax: 508-823-8181WWW.ASTRODYNE.COM2”W x 4”L x 1.2”H40W to 60W Output PowerUniversal 90-264VAC InputSingle, Dual & Triple Outputs from 3.3 to 48VDCHigh Efficiency to 88%3000V Isolation1U Compatible Height

Model Number Output Voltage Output Amps Efficiency %

40W SINGLE OUTPUT

OFM40-033 3.3VDC 6 74

OFM40-050 5VDC 6 78

OFM40-090 9VDC 4.45 82

OFM40-120 12VDC 3.34 84

OFM40-150 15VDC 2.67 85

OFM40-240 24VDC 1.67 86

OFM40-300 30VDC 1.33 86

OFM40-360 36VDC 1.11 87

OFM40-480 48VDC 0.83 88

40W DUAL OUTPUT V1/V2 I1/I2 (Min.-Max.)

OFM40D-01 5 / 12VDC 0.4 - 3.2 / 0.2 - 2A 77

OFM40D-02 5 / 24VDC 0.4 - 3.2 / 0.2 - 1.2A 78

40W TRIPLE OUTPUT V1/V2/V3 I1/I2/I3 (Min.-Max.)

OFM40T-01 5/12/-5VDC 0.4 - 3/0.2 - 2/0 - 0.3A 75

OFM40T-02 5/12/-12VDC 0.4 - 3/0.2 - 2/0 - 0.3A 75

OFM40T-03 5/15/-15VDC 0.4 - 3/0.2 - 1.6/0 - 0.3A 75

OFM40T-04 5/24/-12VDC 0.4 - 3/0.2 - 1/0 - 0.3A 75

OFM40T-05 5/25/-5VDC 0.4 - 3/0.2 - 1/0 - 0.3A 75

OFM40T-06

5/24/12VDC

0.4 - 3/0.2 - 1/0 - 0.3A

75

OFM40T-07

3.3/5/-12VDC 0.4 - 5/0.2 - 2/0 - 0.3A

68

Order On-Line!astrodyne.com元器件交易网www.cecb2b.com40-60W Ultraminiature Open Frame Switching Power SuppliesOFM40/60 series

300 Myles Standish Blvd., Taunton, MA 02780Ph: 1-800-823-8082 Fax: 508-823-8181WWW.ASTRODYNE.COM2”W x 4”L x 1.2”H40W to 60W Output PowerUniversal 90-264VAC InputSingle Outputs from 3.3 to 48VDCHigh Efficiency to 88%3000V Isolation1U Compatible Height

Model Number Output Voltage Output Amps Efficiency %

60 WATT

OFM60-033 3.3VDC 8 74

OFM60-050 5VDC 8 78

OFM60-090 9VDC 6.67 82

OFM60-120 12VDC 5 84

OFM60-150 15VDC 4 85

OFM60-240 24VDC 2.5 86

OFM60-300 30VDC 2 86

OFM60-360

36VDC

1.67

87

OFM60-480

48VDC 1.25

88

Order On-Line!astrodyne.com元器件交易网www.cecb2b.com40-60W Ultraminiature Open Frame Switching Power SuppliesOFM40/60 series

300 Myles Standish Blvd., Taunton, MA 02780

Ph: 1-800-823-8082 Fax: 508-823-8181

WWW.ASTRODYNE.COMINPUT SPECIFICATIONS

Input Voltage Range 90-264 VAC

Frequency Range 47-63 Hz

Inrush Current, typ: 30A @ 100VAC Input *

50A @ 200VAC Input *

OUTPUT SPECIFICATIONS

Voltage and Current See Selection Chart

Load Regulation (10-100% FL)

Single Outputs +/-1%

Dual/Triple Output +/-3%

Line Regulation Singles +/- 0.5 max

Preset Accuracy 1%

DC Voltage Adjust (typ) +/- 6% of FS (Primary)

Temperature Coefficient +/-0.05%/°C

Ripple/Noise, 20Mhz BW 50mV Pk-Pk, typ

Over Voltage Protection

Clamp, 130-150%

*

Short Circuit Protection

Continuous, self-recovering

Hold Up Time 8 mS, typ GENERAL SPECIFICATIONS

Input-Out Isolation I/P-O/P:3000VAC

Efficiency 74%~88%, typ

Switching Frequency 100Khz, (fixed, typical)

Safety UL, TUV

PHYSICAL SPECIFICATIONS

Size 2” x 4” x 1.2”

50.8 x 101.6 x 30.48mm Construction

Open Frame

Weight 7oz (198g)

ENVIRONMENTAL SPECIFICATIONS

Oper. Temperature 0 to +50°C(FL)

Storage Temperature -40 to +85°C *

Relative Humidity 0 to + 95%, non-cond *

EMC CISPR/FCC Class B

MTBF 300,000 Hrs

Mil Std 217, 25C

* These are stress ratings. Exposure of the devices to any of these conditions may adversely affect long term reliability. Proper operation under conditions

other than the standard operating conditions is neither warranteed nor implied. All specifications are typical at nominal input, full load, and 25°C unless other-wise notedAstrodyne products are not authorized or warranteed for use as critical components in life support systems, equipment used in hazardous environments, nuclear controls systems, or other mission-critical applications. 元器件交易网www.cecb2b.com40-60W Ultraminiature Open Frame Switching Power SuppliesOFM40/60 series

300 Myles Standish Blvd., Taunton, MA 02780Ph: 1-800-823-8082 Fax: 508-823-8181WWW.ASTRODYNE.COM

Dim. A0.150 (3.80)4.00 (101.60) 1.20 (30.48)

0.150 (3.80)

Dim. B

Dim.

C2.00 (

50.80)ACLACN

Vout (-)

VRVout (+)LED

100

90

80

70

60

50

40

30

20

10

00 10 20 30 40 50 60 70

Ambient Temperature DegCLoad (%)OUTPUT DERATING CURVEMECHANICAL DIMENSIONS

Single OutputDual/Triple Output+v+v-V-VV2V1V1ComComV3Connector Mate TypeSingle Output Versions: Input: Molex 09-50-3031 Output: Molex 09-50-3041Dual/Triple Output Versions: Input: Molex 09-50-3031 Output: Molex 09-50-3061Note: Single/Dual Dimensional DifferencesDimensions Singles Dual/TriplesA 3.70 (94.00) 3.75 (95.3)B 1.70 (43.2) 1.75 (44.5)C 0.125 (3.17) 0.12 (3.0)元器件交易网www.cecb2b.com

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Canon imagePROGRAF iPF MFP M40系统技术文档说明书

Canon imagePROGRAF iPF MFP M40系统技术文档说明书

TECHNICAL

DOCUMENTS

MFP LARGE-FORMAT IMAGINGimagePROGRAFIntroducing the

imagePROGRAF iPF

MFP M40 System

Large-format scan-to-copy/

file/share solutions

The Canon imagePROGRAF iPF MFP M40

systems are multicomponent, multifunction

solutions for architects, engineers,

construction, GIS, and other professionals

who need to scan, edit, save, share,

and print large-format documents easily

and efficiently.FEATURES

• M40 Scanner with SingleSensor assembly

technology* delivers incredibly fast and accurate

scan speeds.

• SmartWorks MFP scan to copy/file/share

software includes new custom presets, image

enhancements, and all new cloud integration.

• Direct Print & Share is Canon’s Cloud Portal

software for file sharing.

• A customizable system–choose between 36”

or 44” printers for maximum versatility.

• Touch-Screen Monitor and Stand are included in the

4g使用的调制技术和编码技术

4g使用的调制技术和编码技术

4g使用的调制技术和编码技术

一、调制技术

调制技术是指将数字信号转化为模拟信号的过程。在4G通信中，主要采用以下两种调制技术：

1. OFDM调制技术

OFDM（Orthogonal Frequency Division Multiplexing）是一种多载波调制技术，它将一个高速数据流分为多个子载波进行传输，每个子载波之间正交分离，可以有效地抵消多径干扰和频率偏移等问题。OFDM技术具有高速传输、抗干扰能力强等优点，在4G通信中得到广泛应用。

2. MIMO调制技术

MIMO（Multiple-Input Multiple-Output）是一种多天线技术，通过在发射端和接收端增加多个天线来提高信号质量和传输速率。MIMO技术可以利用空间分集、空间复用等方式提高频谱效率和系统容量，并且可以克服多径衰落带来的影响。

二、编码技术

编码技术是指将数字信息转化为符号序列的过程，在4G通信中主要采用以下两种编码技术：

1. Turbo编码

Turbo编码是一种迭代卷积码，它通过反馈机制实现了多次译码，从而提高了误码率性能。Turbo编码在4G通信中被广泛应用，可以有效地提高系统的可靠性和传输速率。

2. LDPC编码

LDPC（Low-Density Parity-Check）编码是一种低密度奇偶校验码，它通过构造稀疏矩阵来实现高效的译码。LDPC编码具有译码性能优异、计算复杂度低等特点，在4G通信中也得到了广泛应用。

三、总结

4G通信采用了OFDM调制技术和MIMO调制技术，以及Turbo编码和LDPC编码等多种编码技术，从而实现了高速传输、抗干扰能力强等优点。未来随着5G通信的发展，调制技术和编码技术将会不断创新和发展，为人们提供更加快速、可靠的无线通信服务。

LM4040DIM3-2.5中文资料

LM4040DIM3-2.5中文资料

January 20001LM4040/4041LM4040/4041Micrel

LM4040/4041

Precision Micropower Shunt Voltage Reference

General Description

Ideal for space critical applications, the LM4040 and LM4041

precision voltage references are available in the subminia-

ture (3mm × 1.3mm) SOT-23 surface-mount package.

The LM4040 is the available in fixed reverse breakdown

voltages of 2.500V, 4.096V and 5.000V. The LM4041 is

available with a fixed 1.225V or an adjustable reverse break-

down voltage.

The LM4040 and LM4041’s advanced design eliminates the

need for an external stabilizing capacitor while ensuring

stability with any capacitive load, making them easy to use.

The minimum operating current ranges from 60µA for the

LM4041-1.2 to 74µA for the LM4040-5.0. LM4040 versions

have a maximum operating current of 15mA. LM4041

versions have a maximum operating current of 12mA.

OFM40-300中文资料

OFM40-300中文资料

40-60W Ultraminiature Open Frame Switching Power SuppliesOFM40/60 series

300 Myles Standish Blvd., Taunton, MA 02780Ph: 1-800-823-8082 Fax: 2”W x 4”L x 1.2”H40W to 60W Output PowerUniversal 90-264VAC InputSingle, Dual & Triple Outputs from 3.3 to 48VDCHigh Efficiency to 88%3000V Isolation1U Compatible Height

Model Number Output Voltage Output Amps Efficiency %

40W SINGLE OUTPUT

OFM40-033 3.3VDC 6 74

OFM40-050 5VDC 6 78

OFM40-090 9VDC 4.45 82

OFM40-120 12VDC 3.34 84

OFM40-150 15VDC 2.67 85

OFM40-240 24VDC 1.67 86

OFM40-300 30VDC 1.33 86

OFM40-360 36VDC 1.11 87

OFM40-480 48VDC 0.83 88

40W DUAL OUTPUT V1/V2 I1/I2 (Min.-Max.)

OFM40D-01 5 / 12VDC 0.4 - 3.2 / 0.2 - 2A 77

OFM40D-02 5 / 24VDC 0.4 - 3.2 / 0.2 - 1.2A 78

40W TRIPLE OUTPUT V1/V2/V3 I1/I2/I3 (Min.-Max.)

OFM40T-01 5/12/-5VDC 0.4 - 3/0.2 - 2/0 - 0.3A 75