YWBL-WH AC Round Frequency Meter LED Digital Display Hz Frequency Indicator Light
MAIN FEATURE---Produce Name: LED Hz Indicator.
Applicable: circuit frequency measurement.
20-75Hz MEASUREMENT RANGE---The AC frequency meter is of wide measurement of 20-75Hz.
HIGH ACCURACY---The AC frequency meter is of high accuracy of ±2%, helping to provide you reliable data.
CLEAR DISPLAY---Made of high quality material, the AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance.
5 COLORS---The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference.
KOOBOOK 1Set 1Hz-50MHz Frequency Counter Meter Crystal Oscillator Digital Tester Meter DIY Kit 5-Digital LED Display
This is a PIC microcontroller based on the frequency meter, with a crystal measurement function and programmable addition and subtraction frequency settings..
Five digital display, easy and intuitive, all use of in-line components, the circuit is simple and easy to produce..
You need to solder and assemble by yourself, all the components are directly inserted, and the wire is printed correctly according to the PCB. After welding, the signal is input with the standard signal source, and the yellow adjustable capacitor is adjusted to make the display value equal to the signal frequency..
The power supply can use a USB to 3.5mm power cable, or you can directly input a 5-9V DC power supply at the - and + pads..
It can measure the frequency range from 1 Hz to 50 megahertz (1Hz-50MHz), can measure the oscillation frequency of most common crystal oscillators, and measure equipment such as radio transceivers..
Anysecu SF-103 A-SF103 Portable Frequency Counter 2MHz - 2.8GHz for Two Way Radio Upgrade Version of SF401
...ength reflection optical observation and RF signal detection, make the invisible cameras visible.
RF SIGNAL DETECTION -- Wireless surveillance cameras, tracking devices and 2G, 3G, 4G SIM card bugs, GSM listening devices, magnetic locator, bugs can be detected via RF radio frequency antenna. Users can adjust the signal sensitivity by knob according to actual needs. The threshold is adjustable, frequency detection range is large.
MAGNETIC SIGNAL DETECTION -- Can detect magnetic locators, hidden bugs and GPS trackers installed on convert place in your car with magnetic field probes. MAG mode must insert and tighten the magnetic probe, adjust the signal to the 4-6 grid balance point, the alarm sound will stop.
WIDE APPLICATIONS -- can be used to find hidden cameras and listener search in homes, offices, hotels, motels, bathrooms, locker rooms, business negotiations, confidential meetings, government agencies, and to find GPS tracker in car, or as a scanner for daily use to prevent sneak shots and monitor magnetic field signals. Stay vigilant for your partner, family, business, and provide privacy protection.
KickBlock - World’s Best Bass Drum Anchor System (Brick Red)
Frequency response shaped specifically for kick drums and bass instruments.
Built-in dynamic locking stand adapter with integral XLR connector simplifies setup, especially inside a kick drum.
Studio quality performance, even a high sound pressure levels.
Supercardioid pattern for high gain before feedback and superior rejection of unwanted noise.
Hardened steel mesh grille that resists wear and abuse.
Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration.
Neodymium magnet for high signal–to–noise ratio output.
Low sensitivity to varying load impedance.
Drum microphone provides low-frequency bass punch and SPL handling. It includes dynamic locking stand adapter for easy set-up, steel mesh grille for durability, shock mount for sound isolation, and neodymium magnet for high signal-to-noise ratio..
Handheld CB Transceiver, Marine Two Way Radios Strong Signal Reception for Boat (US Plug)
Practical: AM and FM modulation, frequency range of 26.965 to 27.405MHz, with low power consumption, high gain and sensitivity, strong signal reception capability..
Receiver: High reception sensitivity, effective image suppression and adjacent channel suppression ability, strong automatic gain control, 300‑3000Hz frequency response..
Clear: The volume is high, full and clear sound quality, adopts unique noise reduction technology effectively reduces ambient noise and enhances the call experience..
Transmission: 4W FM AM power output, strong transmission anti interference ability, high sensitivity, less than 5% signal distortion, with output impedance of 50Ω..
Durable: Made of rugged ABS shell, which is anti collision and drop resistant, IP67 dustproof and waterproof, suitable for use in outdoor harsh environments..
MC14046BCP Phase Lock Loop (PLL) IC 1.9MHz 1 16-DIP (0.300\
...gnal-input amplifier and a common comparator input..
Very low power consumption: 70 µW (typ.) at VCO, VCO inhibit control for ON-OFF keying and ultra-low standby power consumption fo = 10 kHz, VDD = 5 V, Source-follower output of VCO control input (Demod. output), 100% tested for quiescent current at 20 V.
Operating frequency range up to 1.4 MHz (typ.) at VDD = 10 V, RI = 5 k, High VCO linearity: 003c1% (typ.) at VDD = 10 V, 5-V, 10-V, and 15-V parametric ratings.
Low frequency drift: 0.04%/°C (typ.) at VDD = 10 V, Choice of two phase comparators: Exclusive-OR network (I) Edge-controlled memory network with phase-pulse output for lock indication (II), Zener diode to assist supply regulation, Standardized, symmetrical output characteristics, Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices".
A Versatile Building Block for Micropower Digital and Analog Applications, Example Applications: FM demodulator and modulator, Frequency synthesis and multiplication, Frequency discriminator, Data synchronization, Voltage-to-frequency conversion, Tone decoding, FSK - Modems, Signal conditioning,.
Devinal RCA to 1/8 Female Y Cable, Female 3.5mm to Dual RCA/Phono Male Stereo Splitter Cord, Mini Jack Female to 2RCA Male Audio Breakout Adapter 12 inch 30cm
... system. Delivers high performance and versatile full range bass for your musical instrument audio device equipment.
★【COMPATIBILITY】 This Cable connects your A/V devices such as MP3, tablet, smartphone, Xbox 360, PS3, Headphones, HDTV, gaming Consoles, A/V receiver or more. Accurately transfer high bandwidth frequency quality detailed clean natural pure audio sound / realism and clarity jitter-free in audio signals..
★【Excellent Sound】 Heavy-duty and high-density shielding for effective EMI and RFI suppression and flexibility ensures high-quality audio transmission without static or pop-up. corrosion resistant,excellent signal quality. Oxygen Free Copper Lines combined with a double shielding allow for a maximum audio quality.
minimizes return loss, so music, dialogue and sound effects are always clear, dramatic, detailed in excellent signal quality..
★【Durable】 Gold-plated 1/8 TRS and RCA plug. High quality metal with housing baking finish make the cable more durable than nickel or other materials. Top quality Flexible Rubber Jacket design by italy and made by environment-friendly material improves high quality signal transfer. Polyethylene insulation improves high frequency response. Accurately tr....