Square Wave Oscillator LN/NE555 (inc box

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Documentation in pdf format

Simple circuit to generate square waves of approximately 1Hz 10Hz 100Hz 1KHz 10KHz & 100KHz. A square wave generator is one of those pieces of equipment that has many uses in the workshop yet few hobbyists actually have. This simple kit, based on the popular 555 timer IC, generates six preset frequencies from 1Hz to 100khz. It has an operating voltage range of 5 to 18VDC and even provides visual indication of the output. The kit is constructed on a single-sided printed circuit board (PCB). The PCB size: is 78 x 50mm (3.1" x 2") and will mount on a small plastic 'Jiffy' box. (CPS111)

Quantity	Price
1 – 9	$16.53
10 – 99	$15.66
100 +	$14.36

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		CPS111
Quantity Available:		26

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The PCB only for the above kit is available as follows

The PCB for CPS111 only

PCB for CPS111 only (BB092)

Quantity	Price
1 – 9	$5.70
10 – 99	$5.40
100 +	$4.95

Skill Level of Item:		(Component or Part)
Product #		BB092
Quantity Available:		16

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SIGNAL GENERATOR

Features
signal output: sine wave, triangle, square wave and integrator (selectable through jumper)
signal frequency: about 1kHz (fixed)
output level: adjustable from 0 to 100mVrms (LEVEL potentiometer) (MK105)

Quantity	Price
1 – 9	$4.96
10 – 99	$4.70
100 +	$4.31

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		MK105
Quantity Available:		8

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Click here for specs, downloads, and more pictures.

Function Generator Kit

Close out item. Limited Qty available.

Description: This Function Generator Kit is based around the XR-2206 monolithic function generator IC, and can produce sine, triangle, and 5V square waves with frequencies ranging from 15Hz to over 500kHz.

A selector switch allows you to pick either a sine or triangle wave to be output to the 'WAVE' pin. The amplitude of this wave can be adjusted from about 1V up to either 7V (triangle) or 5V (sine). A square wave is also emitted by the XR-2206, and run a couple times through an inverter to even the wave out. This wave will have a maximum of 5V, so it can be interfaced with a microcontroller or other TTL-level devices.

There are two selectable frequency ranges as well. When the 'FREQ' switch is set to Low, the frequency can be adjusted from 15Hz to 4.5kHz. In the High position, the frequency can go from 3kHz to about 650kHz. Two pots are used to adjust the frequency, providing both coarse and fine adjustments. The XR-2206 can emit frequencies from 0.01Hz up to 1MHz, if you need a frequency that this kit doesn't provide, we've broken out a couple extra resistors (R8, and R9), to give you the ability to customize your kit.

The XR-2206 requires a relatively high voltage for normal operation, this kit has it running at 12V. This means you'll need at least ~14VDC (no greater than 35V though!) to get the kit running at the optimal 12V. If you just want to use the 5V square wave output though, you could probably cheat and use a 9V wall adapter; we've used this in a few tests, and it hasn't caused us any problems.

Assembly is straight-forward and can be done with a simple multimeter for testing resistor and potentiometer values. The board is labeled clearly and should be good for beginners.

Lastly, if you'd like a quick and easy display of the frequency. This kit can be mated directly with a Frequency Counter Kit!

Price: $33.92

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		KIT10015
Quantity Available:		1

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Opamp Function Generator

Good value-for money & simple circuit to generate square, (pseudo) sine and triangle waveforms in the audio range. Uses quad opamp LM348.

You do not need a lot of money to have access to square, triangle or sine waves in the audio range. This simple kit uses four operational amplifiers (opamps) to deliver these waveforms in the 6 Hz to 7000 Hz range. The sine wave is a pseudo sine wave produced by a very simple wave shaping circuit.(CPS23)

Quantity	Price
1 – 9	$13.68
10 – 99	$12.96
100 +	$11.88

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		CPS23
Quantity Available:		13

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Oscillator Building Blocks

Build and experiment with astable, monostable and SR flip-flop multivibrators(MV)on one PCB. 6 LED's & 9V battery-powered. Good introduction to electronics. Oscillators are everywhere in electronics. They are a basic building block upon which the whole structure of electronics and computers is based. This kit looks at the 3 basic types of multivibrators. They are designed to have zero, one or two stable states; the astable or free running MV, the monostable MV (also called the one-shot) and the flip-flop or bistable In the flip-flop MV a trigger pulse or control signal is required to change from one state to the other. MV's use regenerative (positive) feedback; the active components present within the circuit operate as switches being alternately cut off or driven into saturation. These circuits have now largely been replaced by timer ICs like the 555. (See CPS111.) However, a basic understanding of them is still essential since they are still used in many circuits.(CPS9)

Quantity	Price
1 – 9	$13.68
10 – 99	$12.96
100 +	$11.88

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		CPS9
Quantity Available:		10

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2MHz USB PC FUNCTION GENERATOR

The PCGU1000 is a digital function generator which can be connected with a PC via USB.
Standard signal waves like e.g. sine, triangle and rectangle are available; other sine waves can be easily created.
The signal waves are created in the PC and produced by the function generator via DDS (Direct Digital wave Systhesis).
Frequencies up to 2MHz.
Features 2 equal outputs and a TTL Sync output.
Output voltage of 1mVtt up to 10Vtt at 600 ohms.
All outputs are galvanically separated from the PC in order to avoid measuring problems. Comes with power adapter.
in the box:
* USB function generator
* getting started manual
* software on CD
* USB cable
* worldwide charging adapt

Features:
frequency range: from 0.01Hz to 2MHz
crystal-based stability
outputs are galvanically isolated from the PC
low sine wave distortion
two parallel output connectors for waveforms
TTL-level synchronization output
stores up to 8192 of waveform points
standard waveforms: sine, square and triangle
predefined library waveforms included: noise, sweep, ...
you can create your own waveforms with the integrated signal wave editor
sweep frequency range 0.0001Hz to 25MHz
sweep time 1ms to 10 hours
noise mode bandwidth 25MHz
extended bode plot option together with PC scope
automated wave sequence generation, using file or computer RS232 input.
DLL available for custom software development
(PCGU1000)

Quantity	Price
1 – 9	$199.00
10 – 99	$197.00
100 +	$194.94

Skill Level of Item:		(Assembled and Tested)
Product #		PCGU1000
Quantity Available:		2

You might also consider these items:

Opamp Function Generator

Quantity	Price
1 – 9	$13.68
10 – 99	$12.96
100 +	$11.88

..........................

The PCB for CPS111 only

PCB for CPS111 only (BB092)

Quantity	Price
1 – 9	$5.70
10 – 99	$5.40
100 +	$4.95

..........................

Oscillator Building Blocks

Quantity	Price
1 – 9	$13.68
10 – 99	$12.96
100 +	$11.88