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Item Tag: Pulse Generator

Wavetek 859 50mhz Programmable Pulse Generator, Powers Up, Untested

The item is Pre-owned and has some signs of use/age. The unit powers Up. No anything else was tested due to no knowledge of this kind of equipment. Power cord is included. No any other accessories or original packaging is included Please see all the pictures for its details and condition. The pictures are the part of the description and you will get the pictured item

16 Pulse Generator-SN16

Manufacturer Part Number: SN16. Porsche or VW with front-hub cable drive will use a 48″ flexible cable and the Classic remote-sensor (the type of cable tip required to fit VW-Porsche will be similar to that shown in Photo 1 below and labeled “VW-Type”).

NE555 Duty Cycle Frequency Adjustable Square Wave Signal Generator Board Module

NE555 Duty Cycle and Frequency Adjustable Pulse Square Wave Signal Generator Board Module This NE555 square wave pulse generator module can be used to produce square wave signals for experimental development, or in applications such as driving stepper motors, and as an adjustable pulse for microcontroller (MCU) applications. Only 31mm x 22mm (1.2″ x 0.9″), the board features an NE555 timer chip with jumpers and a potentiometer to fine-tune the frequency in four frequency ranges, and a second potentiometer to adjust the duty cycle (the relationship of how long the output is driven HIGH versus driven LOW). For example, a 50% duty cycle means the output is high 1/2 the time, and low 1/2 the time. Input voltage to the module (VCC) is variable from 5V to 15V DC and draws approximately 15mA at 5v (35mA at 12v) with an output amplitude of 4.2V peak-to-peak to 11.4V peak-to-peak based on the supply voltage. An indicator LED illuminates on a low-level output and flashes relative to the output frequency. At higher frequencies, the LED will appear to be on solid and without a visible flash since the flashing is too fast to see.. NE555 Module Features & Operation:Size: 31mm * 22mm(1.2″ x 0.9″)Main chip: NE555Input Voltage (VCC): 5V-15VDCInput current:~100MAOutput amplitude: 4.2V V-PP to 11.4V V-PP. (Varies with VCC voltage)Maximum output current: 15MA (VCC=5V, V-PP greater than 50%), 35MA (VCC=12V, V-PP greater than 50%).Output LED indicator (low level, LED is on, high level, LED is off; LED flashes with frequency. When the frequency is higher than about 30Hz, the LED will appear to be always on since the blinking is too fast to see.There is a 4-row x 2-pin header that provides jumper settings to select different frequency ranges. The jumper connects different value capacitors in the circuit to change the RC time constant of the circuit. The multi-turn potentiometer near the frequency range jumper provides fine control over the frequency once the range is set.Jumper settings are:~1Hz ~ 40Hz~40Hz ~ 500Hz~500Hz ~ 40kHz40kHz ~ >200kHzThe jumper ranges will vary between modules depending on the tolerances of the components used.The output duty cycle can fine-tuned using the onboard potentiometers. Duty cycle and frequency are not separately adjustable; adjusting the duty cycle will change the frequency The output frequency and duty cycle are adjusted using the following variables:Period T = 0.7 (RA +2 RB) CRA, RB are 0-10K Ohm adjustable potentiometers1Hz ~ 50Hz: C = 0.001UF50Hz ~ 1kHz: C = 0.1UF1KHz ~ 10kHz: C = 1UF10kHz ~ 200kHz: C = 100UF Applications:As a square wave signal generator for experimental developmentUsed to drive a stepper motor for generating a square wave drive signalGenerate adjustable pulses for microcontrollers (MCU)Package Includes:1X NE555 Duty Cycle Adjustable Pulse Frequency Square Wave Signal Generator Module Online schematic, installation and operation instructions Get it faster! Stocks and ships from our US Colorado office for quick delivery. We provide FREE USPS First Class Shipping with Tracking – Not Economy Shipping

Wavetek 859 50mhz Programmable Pulse Generator, Powers Up, Untested

The item is Pre-owned and has some signs of use/age. The unit powers Up. No anything else was tested due to no knowledge of this kind of equipment. Power cord is included. No any other accessories or original packaging is included Please see all the pictures for its details and condition. The pictures are the part of the description and you will get the pictured item

Colby Instruments Inc Pulse Generator PG 1000A

PG 1000A Pulse Generator. PG 1000A Pulse Generator. This unit received apower-on test only. The unit received apower-on test only. Local pickup is available. Orders not paid within 24 hours may be canceled and relisted.

US Signal Generator Module Adjustable PWM Pulse Frequency Duty Cycle Square Wave

Signal Generator Module Adjustable PWM Pulse Frequency Duty Cycle Square Wave Signal Generator Module Adjustable PWM Pulse Frequency Duty Cycle Square Wave Description: PWM signal generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels. It is used as a signal source or excitation source for testing. Widely used in production practice and technology. Features: 1>.With outer casing; 2>.LCD high definition display; 3>.Support UART; 4>.Support frequency adjustment; 5>.Support duty cycle adjustment; 6>.High precision detection; 7>.Support power-down memory function; 8>.1-Channel PWM output. Parameters: 1>.Product name: PWM Signal Generator; 2>.Model: XY-PWM; 3>.Work voltage: DC 3.3V-30V; 4>.Frequency range:1Hz~150KHz; 5>.Frequency accuracy:2%; 6>.Duty cycle range:0.00%-100%; 7>.Output Current: About 5-30mA; 8>.Output amplitude: Same to input voltage; 9>.Size:79*43*27mm; 10>.Operating temperature:-20℃~70℃; Frequency set range: Enter the settings interface when short press any button ‘FREQ+’ or ‘FREQ-’ in the normal running status to select frequency range. Automatically switch frequency range. Pay attention to the position where the decimal point moves when the button is pressed. Display ‘XXX’. No decimal point, The minimum frequency is 1Hz. The frequency range is 1Hz ~ 999Hz. Display ‘X.XX’. The decimal point is the penultimate, The minimum frequency is 0.01KHz.The frequency range is 1.00KHz ~ 9.99KHz. Display ‘XX.X’. The decimal point is the third last, The minimum frequency is 0.1KHz.The frequency range is 10.0KHz ~ 99.9KHz. Display ‘X.X.X’. The decimal point is fully lit, The minimum frequency is 1KHz.The frequency range is 1KHz ~ 150KHz. For example: Display ‘100’ means PWM output frequency is 100Hz; Display ‘1.01’ means PWM output frequency is 1.01KHz; Display ‘54.1’ means PWM output frequency is 54.1KHz; Display ‘1.2.4’ means PWM output frequency is 124KHz; Duty cycle set range: Enter the settings interface when short press any button ‘DUTY+’ or ‘DUTY-’ in the normal running status to select duty cycle. Automatically switch frequency range. Duty cycle range is 0.00%-100%. Use steps: 1>.Connect to power supply; 2>.Short or long press button ‘FREQ+’ or ‘FREQ-’ to set frequency; 3>.Short or long press button ‘DUTY+’ or ‘DUTY-’ to set duty cycle; 4>.Connect to load. UART communication and parameter settings The system supports UART data upload and parameter setting functions (TTL level); UART: 9600, 8, 1 1>.Set PWM frequency: ‘F101’:Set frequency is 101Hz.‘101’ can by replace by 001~999; ‘F1.05’:Set frequency is 1.05KHz.‘1.05’ can by replace by 1.00~9.99; ‘F10.5’:Set frequency is 10.5KHz.‘10.5’ can by replace by 10.0~99.9; ‘F1.0.5’:Set frequency is 105KHz.‘1.0.5’ can by replace by 1.0.0~1.5.0; 2>.Set PWM duty cycle: ‘DXXX’: Set duty cycle is XXX. ‘XXX’ can be 000-100. E.g:‘D051’ means PWN duty cycle is be set as 51%. 3>.Read set parameter: Send ‘read’ and then get parameter. 4>.Return value: Return ‘DOWN’: Set success. Return ‘FALL’: Set fail. Application: 1>.Square wave signal generator, generating square wave signal for experimental development; 2>.Used to generate a square wave signal that controls the motor driver; 3>.Generate adjustable pulses for use by the MCU; 4>.Dimmer; 5>.Speed governor; Note: It’s 1-channel PWM output signals are the same. They can not adjust independently. Package include: 1 x PWM Signal Generator Note: Instructions/schematic are NOT included. We don’t provide technical assistance please make sure that you are familiar with the product before purchasing. About Shipping: * Goods in stock in USA, buyer can get the parcel around 3-5 business days. * We provide tracking number freely for all buyers. * Please confirm your shipping address is correct. Buyers are responsible for undeliverable order due address mismatch. We reserve the right to charge shipping fee to reship undeliverable items. * Any potential customs tax fee applied to the parcel should be covered by the buyer.

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