Top Temperature Compensated Crystal Oscillator

RTL-SDR Blog V3 R820T2 RTL2832U 1PPM TCXO HF Bias Tee SMA Software Defined Radio with Dipole Antenna Kit

• Includes 1x RTL-SDR Blog V3 R820T2 RTL2832U 1PPM TCXO HF Bias Tee SMA Dongle and 1x Multipurpose Dipole Antenna Kit.
• Great for many applications including general radio, air traffic control, public safety radio, ADSB, ACARS, trunked radio, P25 digital voice, POCSAG, weather balloons, APRS, NOAA APT weather satellites, radio astronomy, meteor scatter monitoring, DAB, classroom learning, or for use as a low cost panadapter with a traditional ham radio..
• Several improvements over other brands including use of the R820T2 tuner, improved component tolerances, a 1 PPM temperature compensated oscillator (TCXO), SMA F connector, aluminium shielded case with thermal pad for passive cooling, activatable bias tee circuit and a much improved antenna set..
• Can tune from 500 kHz to 1.7 GHz and has up to 3.2 MHz of instantaneous bandwidth (2.4 MHz stable). (HF reception below 24 MHz in direct sampling mode with reduced performance). Please note RTL-SDR dongles are RX only..
• Comes with our portable dipole antenna kit. Great for beginners as it allows for terrestrial and satellite reception. Easy to mount outdoors and designed for portable and temporary outside usage. Please do not use outside during poor weather conditions..

OCESTORE Crystal Oscillator Tester Frequency Counter Tester Meter 1Hz-50MHz Cymometer Measurement Tester Module LED DIY Kit

• 【OPTIMAL PERFORMANCE】OCESTORE premium upgrade Frequency Counter Tester Meter based on PICmicrocontroller that can measure frequency of 1 Hz to 50 MHz,designed to measure the oscillation frequency of the most crystal oscillators..
• 【HIGH QUALITY】OCESTORE premium Frequency Counter Tester Meter is made of high quality material which can use for a long time.Programmable addition and subtraction frequency settings, used to measure radio transceivers and other equipment..
• 【SUPER IMPORTATNT】with crystal oscillator measurement function and programmable addition and subtraction frequency settings, five-digit digital tube display, convenient and intuitive, all use in-line components, simple circuit, easy to make..
• 【OPTIMAL RELIABILITY】Power supply : USB 5V or DC 5-12V.
• Crystal Test Range: about 4MHz-48MHz.Automatic range conversion, no need for manual switching.
• All in-line components, easy to install and debug..
• 【PACKAGE & SERVICE】Package Include: 1 Pcs x Crystal Oscillator Frequency Counter .Any question Pls fell free to contact us, we will reply you within 24H.And we offer a 12 month warranty..

testo 550 I Digital Manifold Kit for air conditioning, refrigeration systems and heat pumps - with Bluetooth support

• Efficient: The testo 550 with its sturdy housing and 2-way valve block was particularly created for harsh environments and offers data storage for up to 60 refrigerants.
• Accurate: Thanks to two temperature compensated pressure sensors, the wireless manifold determines high and low pressure as well as evaporation and condensation temperature.
• Multiple functions: The digital manifold features the display of temperature difference, temperature compensated leakage tests and calculation of superheating and subcooling.
• Set: Includes two pipe clamp temperature probes (two channel NTC temperature inputs) for reliable measurement, as well as a protective hard-shell case.
• Smart App: Conveniently follow all measurements via Bluetooth from a smartphone or tablet. Send results directly from the job site for a more convenient documentation.

AITRIP 3 PCS STM32F401 Development Board STM32F401CCU6 STM32F4 Development Board Learning Board for Arduino and Learning Board Plate Computer Office, Electronic Accessories

• the board Can provide a platform for beginners, in practical applications, it will not be because of insufficient computing power, I0 port function is not comprehensive and hinders development high-quality material, durable, firm and stable for us to use..
• STM32F401CCU6 core board 64KB RAM 256KB ROM.
• The GND is changed to 5V B9 5V GND, which can directly connect a small steering gear without additional wiring and reduce development time..
• 25MHZ high speed crystal oscillator 32.768k low speed crystal oscillator.

Surecom SF401 Plus 27Mhz-3000Mhz Radio Portable Frequency Counter Meter with CTCCSS DCS Decoder

• The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies , with signal strength indicator..
• This portable frequency counter is designed for counting continuous wave signal comes from Two-way Radio..
• There are easy ranges for you to choose. The ranges cover most of the frequency of the two way radios you want to measure..
• Its four-button control is easy to use and its small size allows you to carry it anywhere you like..
• Work by TCXO(Temperature Compensate X'tal (crystal) Oscillator) ,In the range of -45 C ~ 65 C can reach ± 2 ~ ± 4ppm accuracy..

CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit

• The patch device of the main control board has been pre welded and connected to the base plate in the form of stamp hole. The single chip microcomputer adopts pic16f1938, builtin PLL local oscillator, supports crystal oscillator calibration setting, and has its own frequency indication circuit (Seven Segment LED nixie tube is used, the display unit is 1kHz, the photo has color difference, and the actual color is red. The working frequency covers 7.000-7.100mhz, 1kHz or 100Hz steps )..
• Ta2003 mixer is used for reception, and crystal filter is used for if. After ta2003 multiplication detection, the sound size is adjusted by digital potentiometer and sent to audio active filter circuit. Finally, LM386 drives speaker, and if frequency supports calibration setting..
• Use 3 bs170 parallel outputs, class E amplification, 12V power supply, output power 5W! Relay switching is used for transceiver, with the function of transmitting delay adjustment to avoid frequent relay switching and improve the isolation of transceiver channel..
• It has the function of automatically sending call signs, which is very convenient to use. The MCU uses the original code of our store, which can adjust the code speed, sidetone frequency and sidetone size. It can input the call sign by ....

Glarks 40Pcs 74LSxxx and 74HCxxx Series Low-Power Logic IC Assortment Kit

• ...h for 20pcs. They are placed in a transparent plastic box, easy to transport and storage..
• ♛ [Small Component]: Our IC chips are small electronic components, small in size, they only take up very little space in the application. And the power consumption is low, can work normally with little consumption..
• ♛ [High Temperature Resistance]: The IC chips have good high temperature performance and can work normally between -40 to 85 Celsius (-40 to 185 degree). So you don't have to worry about the high temperature after connecting them to the peripheral circuit, or burning out the it after long time use..
• ♛ [Long Life Service]: ICs are made of high-quality materials, they are very durable, can serve you for a long time. And the safety and reliability are high, so you don't have to worry even if you work for a long time..
• ♛ [Widely Application]: 74LSxxx and 74HCxxx Series ICs can be used as Bistability, register, shift register, oscillator, oscillator, divider counter, etc..

Nuova Simonelli Oscar II Pour-Over Espresso Machine - Red

• New material, new design Among the new features of Oscar II is to the extensive use of stainless steel that immediately shows strength and solidity, as well as enhancing the machine..
• Compact At only 30 cm, Oscar is able to work in both a home and office setting..
• Perfect extractions The brewing unit is temperature compensated giving consistent and quality extractions..
• Professional Oscar enables the production of espressos or cappuccinos just like in a café. The thermo-compensated group and steaming system are derived from larger, professional machines..
• Versatile Available with a direct water line connection or a 2.3 liter reservoir to brew quality espresso anywhere..

HUABAN 1 Pack Crystal Oscillator Tester 1Hz-50MHz Frequency Counter Tester Meter Cymometer Measurement Tester Module LED DIY Kit

• Product Type: Crystal Oscillator Frequency Counter.
• Crystal Test Range: about 4MHz-48MHz(not include 32.768KHZ).
• PCB Size: 80*53*2mm. Net weight : about 39g.
• Package Include: 1 set Frequency Counter Tester Parts( Attention: the products are in parts , the buyers need to assemble them).

15.360 MHZ Full Can Footprint Dip14 3V3-5V Crystal Oscillator 2 PCS

uxcell DIP Quartz Crystal Oscillators Resonators 25MHz HC-49S Replacements 20 Pcs

• 2PCS 100MHz 100.000MHz Active Crystal Oscillator OSC square DIP4.

Adafruit 16 MHz Ceramic Resonator/Oscillator [ADA1873]