APEX AAO1 Audio Oscillator


This sturdy and dependable unit is effective for testing audio circuits and speaker systems. The AAO1 Test Oscillator provides a steady-state sine wave and/or square wave at the frequency of your choice. Ideally used in conjunction with other appropriate measuring devices - voltmeter, VU meter, etc., the AAO1 is suitable for testing and measuring all types of audio circuits or checking the calibration of crossovers. Tunable from 20 Hz to 20 kHz and variable in gain over a wide range thanks to independent sine and square wave level controls plus an overall -10dB output pad. The VCO input lets you connect an external source of DC control voltage (perhaps a computer or keyboard instrument) to vary the AA01's oscillator frequency. Used along with a flat-response measurement microphone and VU or other level meter, it is also effective in providing test signals when you are measuring the frequency response of speaker systems.

  • ASIN: B006FXZM04
  • UPC: 840402014669

Elenco GF800/555 20Hz - 150kHz Lo-watt Distortion Sine/Square Wave Audio Generator

Elenco GF800/555 20Hz - 150kHz Lo-watt Distortion

Sine/Square Wave Audio Generator Features: Sine and Square Wave Generator 20Hz to 150kHz in 46 Steps Low Distortion RC Oscillator Variable Output Control Low Battery Indicator Compact portable, lightweight` Test leads included (banana to alligator clip).

  • Brand: Elenco
  • ASIN: B0002HRFTA
  • UPC: 756619001265

Mixed-Signal Circuits (Devices, Circuits, and Systems)

Mixed-Signal Circuits (Devices, Circuits, and

Mixed-Signal Circuits offers a thoroughly modern treatment of integrated circuit design in the context of mixed-signal applications. Featuring chapters authored by leading experts from industry and academia, this book: Discusses signal integrity and large-scale simulation, verification, and testing Demonstrates advanced design techniques that enable digital circuits and sensitive analog circuits to coexist without any compromise Describes the process technology needed to address the performance challenges associated with developing complex mixed-signal circuits Deals with modeling topics, such as reliability, variability, and crosstalk, that define pre-silicon design methodology and trends, and are the focus of companies involved in wireless applications Develops methods to move analog into the digital domain quickly, minimizing and eliminating common trade-offs between performance, power consumption, simulation time, verification, size, and cost Details approaches for very low-power performances, high-speed interfaces, phase-locked loops (PLLs), voltage-controlled oscillators (VCOs), analog-to-digital converters (ADCs), and biomedical filters Delineates the respective parts of a full system-on-chip (SoC), from the digital parts to the baseband blocks, radio frequency (RF) circu...

  • ASIN: 148226062X

Gabion(TM) M890G Digital Multimeter DMM Temperature Meter AC/DC Volt Amp ohm Meter w/ Frequency Capacitance & hFE Test

Gabion(TM) M890G Digital Multimeter DMM Temperature Meter AC/DC

Features: Measuring AC/DC Voltage, current, resistance, temperature, frequency, capacitance, continuity buzzer and hFE K-type thermocouple probe LCD displpay with a max. reading of 1999 counts Overrange indication Auto power off Low battery indication Low voltage symbol display Specifications: DCV: 200m-2-20-200V ¡À0.5% ; 1000V ¡À0.8% ACV: 2-20-200V ¡À0.8% ; 700V ¡À1.2% DCA: 2m-20m-200m-20A ¡À1.2% ACA: 200m-20A ¡À1.5% OHM: 200-2K-20K-200K-2M-20M ¡À1.0% Cap: 2000p-20n-200n-2u-20uF ¡À4.0% Fre.: 20KHZ ¡À1.0% Temperature: -20~1000¡æ ¡À2.5% General Characteristics: Power Supply: 1 * 9V battery/6F22 (not included) Dimension: 176 x 88 x 38mm Pacakge Size: 18 * 12 * 4.5cm / 7.2 * 5 * 1.8in Package Weight: 292g / 10.3oz Package List: 1 * M890G Digital Multimeter 1 * K-type Thermocouple Probe 1 * Test Lead 1 * English Manual

  • Brand: Gabion
  • ASIN: B079C9WTDD
  • UPC: 710406399560

Amateur Radio: Learning Morse Code (Novice and General Class) [4 Audio Cassettes]

Amateur Radio: Learning Morse Code (Novice and General

Four audio cassettes. Two audio cassettes presented for a novice class, introduction and learning the Morse Code. Two audio cassettes for the general class, introduction and Morse Code Review. The Learning Morse Code cassettes teach you the basics to receive Morse Code and to build your speed. The tapes have sample code tests with characters sent at both the Farnsworth 15-wpm and the ARRL (American Radio Relay League) fast Farnsworth 18-wpm rate. There are large time spaces in between words so the word rate is 5-wpm for the Element 1A Code Tests and build to 13-wpm for the Element 1B Code Tests. The tapes are ideal for home study, and should be coupled with practice using an oscillator, CW receiver, computer program, or classroom instruction.

  • ASIN: B0046VGK1C

Elenco AM/FM Radio Kit (Combines ICs & Transistors)

Elenco AM/FM Radio Kit (Combines ICs &

Learn about AM and FM radio technology and the the functional components used in creating AM-FM receivers and amplifiers. 56 page training course is divided into 9 lessons; Audio Amplifier, AM Detector, AM IF, AM Amplifier, AM Mixer & Oscillator, FM Detector, 1st FM IF, 2nd FM IF, FM RF Stages. “Superheterodyne” designed to receive standard AM and FM broadcast frequencies. New transistor module allows you to switch between the modern integrated circuit (IC) technology and the original transistor technology. Includes radio mounting stand. PLEASE NOTE: The AM/FM Radio project is divided into two parts, the AM Radio Section and the FM Radio Section. Initially, only identify the parts that you will need for the AM radio as listed in the manual. DO NOT OPEN the bags listed for the FM radio. A separate parts list will be shown for the FM radio after you have completed the AM radio. 9 volt battery needed but not included.

  • Brand: Elenco
  • ASIN: B008515U1U
  • UPC: 756619008769

ZHUOTOP 5 Digits Resolution 1Hz-50MHz Crystal Oscillator Frequency Counter Tester DIY Kit

ZHUOTOP 5 Digits Resolution 1Hz-50MHz Crystal Oscillator Frequency

Specifications:Material: PCBColor: redFrequency Range: 1Hz-50MHzCrystal Test Range: about 4MHz-48MHzSize Of Assembled Item: about 8cm x 5.5cm x 0.7cmPackage Size: about 12.5cm x 9cm x 2cmPackage Weight: about 34gPackage List:1 pc x Frequency Counter

  • Brand: ZHUOTOP
  • UPC: 733403395083

Gabion(TM) Mini LCD Digital Thermometer Multifunctional Temperature Meter Time Clock Indoor Outdoor Weather Station Tester Diagnostic-tool

Gabion(TM) Mini LCD Digital Thermometer Multifunctional Temperature Meter

Features: Digital LCD display, high accuracy and stability. Compact size, easy carry to anywhere for use. Inside sensor and outside flexible sensor equipped, test both indoor and outdoor temperature. Temperature unit Degrees /Fahrenheit changeable. 2 modes of time display: 12h /24h. With time function, can be used as a clock. Can be used in car, home, office, etc. Specifications: Indoor Temperature:-10 Degrees ~+50 Degrees (+14 Fahrenheit ~ +122 Fahrenheit) Outdoor Temperature:-50 Degrees ~+70 Degrees (-58 Fahrenheit ~ +158 Fahrenheit) Accuracy: +/- 1 degree Power supply: 1 * 1.5V AG13 battery (not included) Sensor cable length: Approx. 1m / 39.3in Color: Black Dimension: Approx. 5.7 * 3.8 * 1.2cm / 2.2 * 1.5 * 0.5in Item weight: 31g / 1.1oz Package size: 7.8 * 6.3 * 2cm / 3.1 * 2.5 * 0.8in Package weight: 35g / 1.23oz Package List: 1 * Digital Thermometer 1 * Manual (English)

  • Brand: Gabion
  • ASIN: B079C9NY98
  • UPC: 710406400358

Wireless lavalier Microphone System,Saramonic UwMic15 UHF 16 Channel Omnidirectional lap mic for DSLR Camra,Camcorder Canon 5D II/5D III, Canon 6D, Panasonic GH5/GH4, Nikon,Panasonic

Wireless lavalier Microphone System,Saramonic UwMic15 UHF 16 Channel

The Saramonic UWMIC15 UHF Wireless Lavalier Microphone System provides stable, interference free audio in portable, compact and low cost package. This system is a perfect fit for DSLR videography, field recording and interviews, broadcast TV, ENG, providing dependable audio broadcasting and recording. The system includes a camera-mountable, wireless receiver, wireless body-pack transmitter and clip-on lavalier mic. Receiver The Saramonic UwMic15-RX15 is a camera-mountable integrated wireless receiver. It features an easy-to-read LCD display and infrared synchronization between transmitter and receiver. Equipped with an auto-scan function, the RX15 can automatically search for an available transmission frequency. The headphone jack enables real-time monitoring or the receiver via headphones, especially useful for cameras that lack a monitor output. Transmitter This compact transmitter employs a crystal-controlled PLL synthesizer. It is equipped with a muting function and a BMP-type mic input. The RF power output can be switched among high, middle and low. Specifications: Channels: 16 Oscillator type: PLL synthesizer Output: 3.5mm mini jack Antenna: 1/4 wire antenna Audio output level: -60 dBV Headphone output level: 30mW (16 ohm) Frequency Range: ...

  • Color: Wireless Lavalier Microphone System
  • Brand: Saramonic
  • ASIN: B075ZLVJ3F
  • UPC: 615068639668

Whirlwind QBox


Anyone who's ever had to fix a complex sound issue without the right testing equipment can tell you, they'd rather have been golfing... in hades. Seriously, having the right testing gear isn't the best way to find dead cables and shorts - it's quite often the only way to figure out what's going on in a timely enough fashion that the show can go on... and the show (as we all know) MUST go on. That's why you'd be wise to pick up one of these bad boys: the Whirlwind Qbox audio-line tester.

  • Brand: Whirlwind
  • ASIN: B0003C016S
  • UPC: 692465004220

Elenco AM Radio Kit [ Combo IC & Transistor ] [ SOLDERING REQUIRED ]

Elenco AM Radio Kit [ Combo IC &

Model AM-550TK AM Radio Kit and Training Course - 7 Transistors and 2 Diodes. Training course divided into 5 lessons: Audio Amplifier, Detector, IF Amplifier, Oscillator, and Mixer. ?Superheterodyne? designed to receive standard AM (amplitude modulation) broadcast frequencies. Includes radio mounting stand.Features include: •AM Radio kit and training course - 7 Transistors and 2 Diodes•This training course is divided into 5 lessons: Audio Amplifier, Detector, IF Amplifier, Oscillator, and Mixer•Includes radio mounting stand•5 easy to understand lessons including the theory of operation of for each section•For 30 years Elenco has been using their strong engineering and design skills to develop reliable, affordable electronic test equipment, tools, and educational kits

  • Brand: Elenco
  • UPC: 756619008431

SMSL M9 32bit/768kHz DSD512 AK4490x2 XMOS HiFi Audio DAC Digital to Analog Converter, Balanced Headphone Amplifier with Optical Coaxial USB Input

SMSL M9 32bit/768kHz DSD512 AK4490x2 XMOS HiFi Audio

Specification: Input: Optical, Coaxial, USB Output: RCA jack,balanced 2.5mm and unbalanced 6.35mm headphone jack Power Adapter: 5V Compatibility: Windows 7/8/8.1/10; Above Mac OSX10.6 USB Program: XMOS xCORE200 USB Bit depth: 16-32bit Dynamic Range(24bit):115dB SNR (DAC): 110dB SNR (Heaphone amplifier): 105dB USB PCM Sampling Rate: 44.1-768kHz Optical/Coaxial sampling rate:44.1-192kHz DAC IC: AK4490EQx2 Digital Receiver IC:CS8422 Headphone AMP IC: TPA6120x2 Operational Amplifier IC:OPA1612x5 RCA Output Level: 2 Vrms DSD: Supports up to DSD512 Support OTG: Yes Power consumption:5W Standby power:0.1W THD+N (DAC): 0.0004% THD+N (Headphone Amplifier): 0.001% Headphone Amplifier Power (Test when THD+N=0.1%) 32ohm: 108mW 64ohm: 104mW 150ohm: 86mW 300ohm: 57mW Item size:160*130*22 mm Item weight:397g Packaging included: 1xM9 1xUSB cable 1x5V power adapter 1*manual

  • Brand: SMSL
  • UPC: 686560680175

RDL ST-OSC2A Audio Oscillator - Power Supply Included

RDL ST-OSC2A Audio Oscillator - Power Supply

Each of the STOSC2 products is a Dual Audio Oscillator. These products are designed for quick, convenient installation, and reliable operation in a variety of audio applications. The STOSC2 products feature RDLs SupplyFlex power input configuration. The module will operate directly from floating 24 Vdc or bipolar dc power. If a jumper is connected between the POWER minus terminal and any module ground, the module power becomes groundreferenced. - Power Supply Included

  • Brand: RDL
  • ASIN: B0051V1MB4

Gold Line GL-1K Microphone Level Input Tester

Gold Line GL-1K Microphone Level Input

This is a miniaturized 1kHz tone generator and phantom power detector built inside a standard Neutrik XLR connector. Upon dection of phantom power (12-48V) the red LED lights and turns on the audio oscillator (no batteries).

  • Color: black
  • Brand: Gold-Line
  • ASIN: B0002BC2PS
  • UPC: 697506028012

Elenco - AM/FM Radio Kit (Transistor Version)

Elenco - AM/FM Radio Kit (Transistor

Radio Kit An advanced kit compared to the others, a little more deluxe and a little more complicated. It is an AM/FM radio kit with over 80 pieces divided into lesson groups. PC board shows component placement to help learning and to minimize errors. It has (14) transistors and (4) diodes and the case measures 11"x 5"x2-1/4" Soldering required.

  • Brand: Elenco
  • ASIN: B004B4R1QM
  • UPC: 756619001661

Elenco Telephone Bug Soldering Kit with Iron and Solder

Elenco Telephone Bug Soldering Kit with Iron and

Are you a Do-It-Yourselfer? Hone your soldering techniques on Elenco' s Telephone K-35 Soldering Kit. The Telephone Bug is really a miniature FM radio transmitter broadcasting within the 88 to 108MHz (megahertz) band. It is designed to be wired inside a telephone or the wires leading to the telephone. The voice frequencies carried by the telephone wires modulate the FM transmitter allowing both sides of the telephone conversation to be heard on any standard FM radio. Because of the unique circuitry, no battery is needed to operate the unit. The power is taken from the telephone line. Printed Circuit Board (PCB) and components including resistors, capacitors, semiconductors and jumper wires all included along with manual and instructions. Plus 25 watt soldering iron, stand and lead free, rose core solder. From the company that brings you Snap Circuits - 9 volt battery not included. - MADE IN THE USA - Elenco was founded more than 30 years ago by 2 engineers. The core of Elenco is still strong engineering and design skills. Elenco test equipment has proven to be reliable as well as affordable. Elenco supplies Universities and High Schools with quality educational kits and materials. - It is illegal to listen to a telephone conversation without the person’s consent. This kit is de...

  • Brand: Elenco
  • UPC: 756619011004
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