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Regulated Power Supply

Click here for documentation in acrobat format (K60)

cps60.jpg
Kit accepts an unregulated AC or DC input. The user supplies a standard 3 pin voltage regulator from 5 volts (using a 7805) to 24 volts (7824). The full range of possible regulators is: 7805, 7806, 7808, 7810, 7812, 7815, 7818 & 7824. Large heat-sink provided. PCB size: 64mm x 40mm (2 1/2" x 1 1/2")(CPS60)
 
Quantity
Price
1 – 9$9.12
10 – 99$8.64
100 +$7.92

Skill Level of Item:   (Kit - Basic Soldering Required)  
Product #   CPS60  
Quantity Available:   18  
 
 
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7805 IC Regulator +5V 1A (TO220)  (Out of Stock)
 
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1 – 9$0.49
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1 – 9$0.63
10 – 99$0.53
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7815 IC Regulator +15V 1A (TO220)
 
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Quantity
Price
1 – 9$0.67
10 – 99$0.57
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7818 IC Regulator +18V 1A (TO220)
 
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1 – 9$0.97
10 – 99$0.50
100 +$0.45
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7824 IC Regulator +24V 1A (TO220)
 
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Quantity
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1 – 9$1.07
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tn_cps124.jpg
Positive Adjustable Power Supply Module
 
Compact positive adjustable power supply +/- 1.5V to 35V depending on input power source. On-board heatsink. It is ideal for powering any application requiring a DC supply at current levels up to 1.5A
FEATURES:
· Output reverse polarity and back-voltage protection
· LED power on indication
· On board heatsink for IC regulator
· Variable output voltage
· AC or DC input voltage
· Low noise (uses linear regulator)
· Screw terminals for input, output and LED indicator
· PCB size: (84 x 37 mm) (3.1" x 1.5")
This kit can be combined with Kit CPS125 to create a dual-rail supply. The kit is constructed on a single-sided printed circuit board (PCB).
(CPS124)
Quantity
Price
1 – 9$14.82
10 – 99$14.04
100 +$12.87
Skill Level of Item:   (Kit - Basic Soldering Required)  
Product #   CPS124  
Quantity Available:   7  
 
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tn_cps68.jpg
Power supply voltage adj. 1.5 to 30V kit
 
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Quantity
Price
1 – 9$11.40
10 – 99$10.80
100 +$9.90
Skill Level of Item:   (Kit - Basic Soldering Required)  
Product #   CPS68  
Quantity Available:   12  
 
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7812 IC Regulator +12V 1A (TO220)
 
HB109
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Price
1 – 9$0.51
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7818 IC Regulator +18V 1A (TO220)
 
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tn_cps100.jpg
Stereo Preamplifier - Tone Control Unit
 
This is a preamplifier and tone control unit
which will make a useful addition to any
of our power amplifier kits. It is extremely
easy to construct due to the use of a special IC,
the Philips TDA 1524A. This contains all the
circuitry required to provide up to 20 dB of
voltage gain, +/-15 dB of bass and treble
control, channel balance, and a switchable
loudness contour.
Specification
D.C. Input : 15V DC supply or 12V DC battery. 50 mA min.
Maximum output : > 3 V RMS
Maximum input : > 300 mV, G = 20 dB
> 3V RMS, G = 0dB. Input Z > 10 k ohm. Output Z < 300 ohm
Frequency resp. : < 10 Hz to > 50 kHz + / – 1 dB
THD at 1kHz : < 0.1 % at 1V output
S/N ratio : > 80 dB, G = 0 dB
Bass boost/cut ~ 15 dB at 50 Hz
Treble boost/cut ~ 15 dB at 15 kHz
PCB size: 4 inches x 2 1/4 inches. (CPS100)
Quantity
Price
1 – 9$23.26
10 – 99$21.60
100 +$20.88
Skill Level of Item:   (Kit - Basic Soldering Required)  
Product #   CPS100  
Quantity Available:   3  
 
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tn_cps83.jpg
Universal Power Supply
 
Put in your own 78xx and 79xx 3-pin regulators (TO-220 type) to give fixed positive and negative voltage outputs which you want for your project. Supplied with 2 small heatsinks. Requires center-tapped AC voltage source. PCB size: 78mm x 43mm (3.1" x 1.7").(CPS83)
Quantity
Price
1 – 9$14.25
10 – 99$13.50
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Quantity Available:   6  
 
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tn_da63__2.jpg
20 second voice recorder/playback module (A93010/A96010)
 
PLEASE NOTE: A96010 or A93010 is supplied depending on availability. Currently only A93010 is available and is the one that is been sold. A96010 is not currently available. The small size is because the IC is in Chip-on-board form. One button is pushed down to record the message. The electret microphone is on the board. The LED turns on during this time. The other button just has to be momentarily pressed to replay the message. A second momentary press during playback will stop the playback. Sampling rate is 4K. All you have to add is the speaker (not included) and 5V DC power (not included). The record play time is determined by the 52K resistor. If you change it to 89K you will get 30 seconds but at a reduced sampling rate. Operating current 25mA. Standby current 10 uA. Size: 34 x 23 x 11 mm. The module comes supplied as you see it in the photo.

OPTIONAL ITEMS (Not included):
2 x (BB089) connector cable to connect the voice recorder to a speaker and power source.
1 x (PB244) Speaker
1 x Battery holder that can hold either 4 x AAA or 4 x AA or 4 x C or 4 x D cells. See our battery holders.

(A96010 & A93010)
Quantity
Price
1 – 9$6.60
10 – 99$5.95
100 – 999$4.95
1000 +$3.95
Skill Level of Item:   (Assembled and Tested)  
Product #   A96010  
Quantity Available:   162  
 
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