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2015年9月30日星期三

TEC1-12706 Thermoelectric Cooler Peltier 12V 60W 92W



TEC1-12706 Thermoelectric Cooler Peltier 12V 60W 92W


Description:
TEC1-12706 Thermoelectric Cooler Peltier 12V 60W
Model number: TEC1-12706
Voltage : 12V
Umax (V) : 15.4V
Imax (A) : 6A
QMax (W) : 92W
Dimensions : 40mm x 40mm x 3.6mm
Power Cord : 350mm




2015年9月29日星期二




DS1302 Rotating LED Display Temperature Display 

                                       www.ICStation.com
                                                                                Description:
1. Size: 81mm*81mm*1.6mm
2. Thickness: 1.6mm
3. Material: FR4
4. PCB board color: blue
5. LED display: red
6. Supply voltage: 5V

Function Description:
1. Display time and temperature
2. Chime
3. Alarm clock
4. Temperature alarm
5. LED Display selection







































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2015年9月23日星期三

RF Explorer 433M Handheld Digital Spectrum Analyzer




RF Explorer is a handheld digital spectrum analyzer, aimed to provide a very affordable tool for work in all ISM popular frequency bands. It is based on a highly integrated frequency synthesizer which offers high performance, compact size, low consumption and low-cost.
 
It has been designed to be used equally well outdoor and indoor, and can be connected to a Windows PC using standard mini-USB for additional features and higher display resolution.




For more information about it, plz click: 
http://www.icstation.com/explorer-433m-handheld-digital-spectrum-analyzer-p-7017.html

Feature
  • Pocket size and light weight
  • Solid aluminum metal case
  • Spectrum Analyzer mode with Peak Max and Hold, Normal, Overwrite and Averaging modes
  • Integrated RF Signal Generator
  • Lifetime free firmware upgrades available, open to community requested features
  • High capacity Lipo for 16hs+ of continuous run, rechargeable by USB
  • Windows PC client Open Source
  • Can be extended with internal Expansion Modules for additional band and functionality
 
Specification
  • Frequency band:430-440 MHz
  • Frequency span: 112 KHz-10 MHz(enhanced to 30 MHz if an Expansion Module is connected)
  • Graphics LCD 128x64 pixels, great visibility outdoors
  • PC Windows client supports Windows XP/Vista/Win7 both 32 and 64bits
  • Backlight for great indoor visibility
  • Standard SMA 50 ohms connector, a matching antenna is included
  • Amplitude resolution: 0.5dBm
  • Dynamic range: -115dBm to 0dBm
  • Absolute Max input power: +5dBm
  • Average noise level (typical): -110dBm
  • RF Generator amplitude: 0dBm to 20dBm
  • Frequency stability and accuracy (typical): +-10ppm
  • Amplitude stability and accuracy (typical): +-3dBm
  • Frequency resolution: 1Khz
  • Resolution bandwidth (RBW): automatic 2.6Khz to 80Khz
  • Weight: 185g
  • Size: 113x70x25 mm




2015年9月21日星期一

555 Test Bed / Component tester / Cap dump

NE555 Duty Cycle And Frequency Adjustable Module Square Wave






Module Scope
1. Used as a square wave signal generator produces a square wave signal for the experimental development use. 
2. Used to generate the square wave signal to drive a stepper motor drive. 
3. Produce adjustable pulse for the MCU to use. 
4. Generating adjustable pulse to control the associated circuits. 

A brief description
1. Size: 3.5CM * 3.6CM 
2. The main chip: NE555; 
3. Input voltage: 5V-15VDC. 5V power supply, the output current can about 15MA; 12V power supply, the output current can be so 35MA; 
4. Input Current: ≥ 100MA 
5. Output amplitude: 4.2V V-PP to 11.4V V-PP (depending on the input voltage, the output amplitude is not the same) 
6. Maximum output current: ≥ 15MA (5V power supply, V-PP greater than 50%), ≥ 35MA (12V power supply, V-PP greater than 50%) 

Advantages
1. Output with LED indication, there is no output LED quantity (low straightforward, high level LED off relatively low frequency LED flashes); 
2. Output frequency range grade optional continuously adjustable output frequency; 
Low-frequency stall: 1Hz ~ 50Hz 
IF stall: 50Hz ~ 1kHz 
In the high-frequency stall: 1KHz ~ 10kHz 
High-frequency stall: 10kHz ~ 200kHz 
3. the output duty cycle can fine-tune the duty cycle and frequency is not adjustable separately adjust the duty cycle will change the frequency 
4. the output frequency is adjustable; 
Cycle T = 0.7*(Ra + 2*Rb)*C 
Ra, Rb:0-10K adjustable; 
LF gear C = 0.001UF; 
IF file C = 0.1UF; 
In the high-frequency file C = 1UF;, 
High-frequency gear C = 100UF, the waveform frequency buyers can own calculations. 



For the information: 

http://www.icstation.com/ne555-duty-cycle-frequency-adjustable-module-square-wave-p-2224.html

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