1. AD831 is a low distortion, wide dynamic range, single-chip mixer, suitable for RF-IF conversion in HF and VHF receivers, second mixer in DMR stations, DC-baseband conversion, and quadrature modulation And demodulation and frequency shift detection in ultrasound imaging and other applications 2. AD831 provides +24 dBm third-order intercept , which can achieve -10 dBm LO consumption. It does not require high- LO drivers, and there is no corresponding shielding and isolation problems. Therefore, compared with passive mixers, it can System performance, reduce system cost. . 3. The mixer is designed to be powered by a single supply, and the RF, IF and LO ports have DC isolation capacitors for easy . The operating frequency of the RF and LO inputs can be as high as 500MHz. The IF output is a single-ended voltage output. It has an output bandwidth of 250 MHz. 4. A single resistor connected between pins OUT and FB is used to set the gain. The amplifier has low DC offset characteristics, so it can be used for DC coupling applications such as DC-baseband frequency conversion and quadrature amplitude demodulation 5. With the output amplifier of the mixer and the best source impedance, the SSB noise figure of the mixer is 10.3 dB at 70 MHz. Unlike passive mixers, AD831 has no insertion loss, no external duplexer, and no passive termination.AD8362 has two working modes: measurement and controller. In Figure 1, in the measurement mode, VOUT and VSET Product parameters: RF input: 0.1-500MHz RF input: +10dBm (1dB compression ) Local oscillator input: 0.1-500MHz Local oscillator input: -10dBm IF output: 0.1-200MHz supply voltage: 9-11V single-ended supply Weight: 11 grams Colour:Green Material:PCB Size:33x33mm Package Contents: 1* RF Mixer Module Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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Made of high quality materials, convenient, easy to use and operate, wide range of applications, long service life. Features: The transmitter has 8 function keys (6 single speed keys + 1 start key + 1 stop key). The number of transmitter control points can be up to 8. The transmitter has a security key switch to prevent unauthorized use. The transmitter can be connected to the computer via the data cable to set the button function mode. The transmitter has a low battery warning device and the voltage is insufficient to automatically turn off the circuit. The nylon fiber case is comfortable to the touch, sturdy and drop-resistant, waterproof, anti-corrosion and insulated. Transmitter and receiver boards with crystal oscillator for stable performance. IP65 protection level, waterproof, dustproof, drop-proof, can adapt to different environments. With wireless antenna technology, the signal is stronger and the power consumption is lower. The external antenna avoids the signal shielding of the body. The receiver is supplied with a high quality pure copper cable that is 1.3 meters long and has a purity of 99.9%. The color is bright and clear, and it is equipped with a U-shaped terminal block for quick wiring. 360 degree accessible remote control, 5.0 remote control system, strong penetration, no need to aim. Specifications: Main Material: Fiberglass Reinforced Nylon Main Color: Orange + Black Type: F21-E1B Transmitter: Protection Level: IP65 Transmitting Power: 10dBm Battery: 2*AA batteries (not included) Code: 32 digits ( 4.3 billion groups) Temperature: moderate temperature Control distance: 100 meters Item size: 165*75*46mm/6.5*3.0*1.8in Item weight: 279g/9.8oz Receiver: Protection level : IP65 Receiving distance: 100 meters Sensitivity: -110dBmCode: 4.3 billion codes, not commonTemperature: moderate temperatureElectric shock capacity: 8 amp fully sealed relay inputPower: DC12-72VItem size: 190*88mm/ 7.5*3.5inItem Weight: 655g/1.4lbPackage Size: 310*210*170mm/12.2*8.3*6.7in Package Weight: 1259g / 2.8lb Package List: 1 * Transmitter1 * Receiver1 * Protective Case2 * Fuse
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Features: 1No Lubrication Required: The pneumatic turbine vibrator requires no lubrication, only clean air. The vibrator uses very little compressed air in relation to the force they provide. 2OMT CNC Machining: The pneumatic turbine vibrator uses the OMT CNC machining process to keep the vibrator within 2 microns of tolerance, high accuracy for high life. 3High Vibration Force: The vibration force of this pneumatic turbine vibrator can be adjusted according to the air pressure, it can be started and stopped immediately, it is fast, high vibration force and safe. 4Low Noise: The pneumatic turbine vibrator has an eccentric copper counterweight installed in the gears, air is charged into the air inlet hole to impact the gears to generate thrust to make the gears rotate, the centrifugal force of the eccentric counterweight generates vibration when rotating, the gears are driven by bearings, low noise. 5Wide Application: This pneumatic turbine vibrator can be used for material conveying, vibratory screening, funnel vibration, helping to fill packaging, foundry sand mould vibration, etc. Item Type: Pneumatic Turbine Vibrator Material: Aluminium alloy ModelK10 Number of vibrations per minute0.2MPa22.5 0.4MPa27.25 0.6MPa34.1 Vibration force (N) 0.2MPa245 0.4MPa465 0.6MPa700 Air consumption/min0.2MPa90 0.4MPa150 0.6MPa190 1 x Pneumatic Turbine Vibrator 1 x Connector 1 x Muffler
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DescriptionMeasurement Bandwidth : nanovna f v2Frequency Range : 50kHz-3GHzOutput Power : -9dBm (error within 1GHz: 1dB)Brand Name : KKMOONOrigin : Mainland ChinaCertification : NONENanoVNA F V2>>>>>>>>>>>>>>>>>>>>>>>>>>NanoVNA-F V2 portable vector network analyzer is a new product developed on the basis of NanoVNA-F. It uses a 4.3-inch IPS LCD display and an aluminum alloy case. It is equipped with a 5000mAh large-capacity lithium battery as standard. Support touching screen and side button operation, support Chinese and English interface. The design of this product is based on edy555's NanoVNA and OwOcomm's S-A-A V2, and deep optimization of the software is made on the basis of the previous product NanoVNA-F. The operation interface is compatible with NanoVNA-F, the measurement ranges is extended to 3GHz, and the dynamic ranges is larger. The measurement is more accurate and the operation is more convenient.Features:4.3-inch IPS LCD display, resolution 800*480, ultra-wide viewing angle, long-term use does not hurt your eyes.All aluminum alloy case, sturdy and durable, effectively shielding electromagnetic interference to ensure measurement accuracy.The radio frequency interface is SMA, which is convenient for connecting various tested parts.Full touching screen design, with 3 side buttons at the same time, flexible and convenient operation.Support Chinese and English interface.Optimized UI design, convenient for users to perform measurement operations.Support screen brightness adjustment.The firmware can be upgraded through a virtual U disk, no programmer is needed, and the firmware can be upgraded through the included USB type-c data cable.Standard fine quality calibration parts and RG405 phase-stable cable to ensure calibration accuracy.Designed with USB power output interface, which can support 5V/1A power output.Using 2A high current recharging IC, the recharging time is shorter.Supporting host computer software, the host computer supports Chinese and English interfaces.The screen images of the device can be obtained by taking a screenshot of the host computer.Function: can measure S parameters, voltage standing waves ratio, Smith chart, phase, group delay, etc.Specifications:Material: aluminum alloy(case)Main color: blackBattery: 1 * lithium battery, 5000mAhFrequency: 50kHz-3GHzRF output power: -9dBm (error within 1GHz: 1dB)Frequency accuracy: >>>>>>>>>>>>>>>>>>>>>>>>This is a DIY product with vector network measurement function. It includes a 2.8-inch touching screen, TX/RX measurement, can determine the complete S11 and S21 parameters, if you need to get S12 and S22, you need to manually replace the trans-ceiver port wiring.Features:The PC control software can export Touchstone (snp) files, which can be used for various radio design and simulation software.The improved frequency algorithm can use the odd harmonic extension of si5351 to support the measurement frequency up to 900MHz.The 50k-300MHz frequency ranges of the si5351 direct output provides better than 70dB dynamic.The extended 300M-600MHz band provides better than 50dB of dynamics, and the 600M-900M band is better than 40dB of dynamics.Small and portable, easy to use, this project aims to provide an radio frequency gadget but useful instrument for enthusiast.Specifications:Material: PCBColor: blackMeasurement frequency: 50KHz~300MHz (50KHz~900MHz, enable extended firmware)(the products will be updated with the latest firmware before shipping, the actual measurement frequency is 50KHz~900MHz)Radio frequency output: -13dbm (maximum -9dbm)Frequency accuracy:
Fruugo United Kingdom
Made of high quality materials, convenient, easy to use and operate, wide range of applications, long service life. Features: The transmitter has 8 function keys (6 single speed keys + 1 start key + 1 stop key). The number of transmitter control points can be up to 8. The transmitter has a security key switch to prevent unauthorized use. The transmitter can be connected to the computer via the data cable to set the button function mode. The transmitter has a low battery warning device and the voltage is insufficient to automatically turn off the circuit. The nylon fiber case is comfortable to the touch, sturdy and drop-resistant, waterproof, anti-corrosion and insulated. Transmitter and receiver boards with crystal oscillator for stable performance. IP65 protection level, waterproof, dustproof, drop-proof, can adapt to different environments. With wireless antenna technology, the signal is stronger and the power consumption is lower. The external antenna avoids the signal shielding of the body. The receiver is supplied with a high quality pure copper cable that is 1.3 meters long and has a purity of 99.9%. The color is bright and clear, and it is equipped with a U-shaped terminal block for quick wiring. 360 degree accessible remote control, 5.0 remote control system, strong penetration, no need to aim. Specifications: Main Material: Fiberglass Reinforced Nylon Main Color: Orange + Black Type: F21-E1B Transmitter: Protection Level: IP65 Transmitting Power: 10dBm Battery: 2*AA batteries (not included) Code: 32 digits ( 4.3 billion groups) Temperature: moderate temperature Control distance: 100 meters Item size: 165*75*46mm/6.5*3.0*1.8in Item weight: 279g/9.8oz Receiver: Protection level : IP65 Receiving distance: 100 meters Sensitivity: -110dBmCode: 4.3 billion codes, not commonTemperature: moderate temperatureElectric shock capacity: 8 amp fully sealed relay inputPower: DC12-72VItem size: 190*88mm/ 7.5*3.5inItem Weight: 655g/1.4lbPackage Size: 310*210*170mm/12.2*8.3*6.7in Package Weight: 1259g / 2.8lb Package List: 1 * Transmitter1 * Receiver1 * Protective Case2 * Fuse
Fruugo United Kingdom
Made of high quality materials, convenient, easy to use and operate, wide range of applications, long service life. Features: The transmitter has 8 function keys (6 single speed keys + 1 start key + 1 stop key). The number of transmitter control points can be up to 8. The transmitter has a security key switch to prevent unauthorized use. The transmitter can be connected to the computer via the data cable to set the button function mode. The transmitter has a low battery warning device and the voltage is insufficient to automatically turn off the circuit. The nylon fiber case is comfortable to the touch, sturdy and drop-resistant, waterproof, anti-corrosion and insulated. Transmitter and receiver boards with crystal oscillator for stable performance. IP65 protection level, waterproof, dustproof, drop-proof, can adapt to different environments. With wireless antenna technology, the signal is stronger and the power consumption is lower. The external antenna avoids the signal shielding of the body. The receiver is supplied with a high quality pure copper cable that is 1.3 meters long and has a purity of 99.9%. The color is bright and clear, and it is equipped with a U-shaped terminal block for quick wiring. 360 degree accessible remote control, 5.0 remote control system, strong penetration, no need to aim. Specifications: Main Material: Fiberglass Reinforced Nylon Main Color: Orange + Black Type: F21-E1B Transmitter: Protection Level: IP65 Transmitting Power: 10dBm Battery: 2*AA batteries (not included) Code: 32 digits ( 4.3 billion groups) Temperature: moderate temperature Control distance: 100 meters Item size: 165*75*46mm/6.5*3.0*1.8in Item weight: 279g/9.8oz Receiver: Protection level : IP65 Receiving distance: 100 meters Sensitivity: -110dBmCode: 4.3 billion codes, not commonTemperature: moderate temperatureElectric shock capacity: 8 amp fully sealed relay inputPower: DC12-72VItem size: 190*88mm/ 7.5*3.5inItem Weight: 655g/1.4lbPackage Size: 310*210*170mm/12.2*8.3*6.7in Package Weight: 1259g / 2.8lb Package List: 1 * Transmitter1 * Receiver1 * Protective Case2 * Fuse
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The DS3231 Is A Low-Cost, High-Precision I2c Real-Time Clock () With Integrated Temperature-Compensated Crystal Oscillator (Tcxo) And Crystal. The Device Contains A Battery Input To Maintain Timing When Mains Power Is Removed. Integrated Crystals Improve Device And Reduce Component Count In Production Lines. S3231 Is Available In Commercial And Industrial Temperature Ranges And Is Available In A 16-Pin 30omil So Package. The Stores Seconds, Minutes, Hours, Day Of The Week, Date, Month And Year Information. Months With Less Than 31 Days Will Have Of The Month Automatically Adjusted, Including Corrections For Leap Years. The Working Format Of The Clock Can Be 24-Hour Or 12-Hour Format With /Am/Pm Indication. Provides Two Programmable Calendar Alarms And A Programmable Square Wave Output. Address And Data Are Transmitted Serially Through The L2c Bidirectional Bus. A Temperature-Compensated Voltage Reference And Comparator Circuit Monitors Vcc Status, Detects Power Supply Failures, Provides A Reset Output, And Automatically Switches To Backup Power When Necessary. The Monitor Pin Can Be Used As A Manual Input To Generate An Mp Reset. In Addition To Its High Timing Accuracy, The Ds3231 Also Has Several Other Features That Expand The System Host'S Additional Capabilities And . The Device Integrates A Very Digital Temperature Sensor Which Can Be Accessed Via The I2c* Interface (As Well As The Time). The Accuracy Of This Temperature Sensor Is 3C. On-Chip Control Circuitry Enables Automatic Power Supply Detection And Manages Power Switching Between Primary Power And Backup Power (., Low-Voltage Battery). If The Main Power Supply Is Lost, The Device Continues To Provide Timing And Temperature With Unaffected Performance. An On-Chip Reset Function Can Be Used To Restart The System Microprocessor When The Main Power Supply Is Re-Applied Or The Voltage Value Returns To The Acceptable Range. 1. Other Iic DeVices Can Be Cascaded. The 24C32 Address Can Be Modified By Short-Circuiting A0/A1/A2. The Default Address Is 0X57 2. Battery Model Required:Cr2032 To That The Clock Will Still Run Normally After The System Is Powered Off. 3. Working Voltage:3.3-5.5V 4. Clock Chip:High-Precision Clock Chip DS3231 5. Clock Accuracy:Within The Range Of 0-40, Accuracy 2ppm, Annual Error Of About 1 Minute 6. With calendar alarm function 7. Programmable Square WaVe Output 8. The Real-Time Clock Generates Seconds, Minutes, Hours, Day Of The Week, Date, Month And Year, And ProVides Compensation Valid Until 2100. 9. The Chip Has Its Own Temperature Sensor With An Accuracy Of 3C. 10. Memory Chip:At24c32 (Storage Capacity 32k) 11. Bus Interface, High Transmission Speed 400khz (When The Working Voltage Is 5V) Wiring instructions (taking for R3 as an example): SCL-A5 SDA-A4 VCC-5V GND-GND Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PCB Package Contents: 1 * DS3231 Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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1. Power supply voltage: 5.0V 2. Power supply current: 95mA 3. RF frequency: DC ^ 500MHz 4. L0 frequency: DC~500MHz 5. | F frequency: DC250MHz Local oscillator drive: -10dBm Variable frequency gain: 8dI Compression point:+10dBm1dB output intersection point:+24dBm @ | P3 Interface form: SMA female head Color: As Shown Material: PCB Package Contents: 1 x High Frequency Multiplier Ad831 500m Bandwidth Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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