Voice Echo IC Design Kit with PCBs (#1950)

Quantity:
     516 available for sale
Buy It Now For:
$15.99

Shipping:
$4.25    USPS First Class Mail (2 to 3 business days) - (more details)
Returns:
Returns are not Accepted - (more details)
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Item Description

UniSquare Item ID Number:
424788
Condition:
New

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Voice Echo IC Design Kit with PCBs (#1950)


This is the Voice Echo IC Design Kit #1. This kit is centered around the Holtek HT8970 Voice Echo DIP-16 IC. kit. The HT8970 is an echo/surround effect IC processor. It is designed for various audio systems including karaoke, television, sound equipments, etc. The chip consists of a built-in audio pre-amplifier, VCO or Voltage Control OSC, 20Kb SRAM, A/D and D/A converters as well as delay time control logic. Its built-in 20Kb SRAM can generate delay time effects and can control the delay time value through the external VCO resistor. The VCO circuit reduces external components and make it easy to adjust the delay time.

The data sheet and a working schematic can be found at www.vakits.com. It includes two different schematics for operating in the Echo or Surround modes.

This kit includes the components found in the data sheet which includes an Op Amp, an Electret Microphone, Resistors, Capacitors, Trimpots, and more to develop numerous audio circuits. You get extra components so you can experiment with the circuit.

To help with your development projects you also get IC sockets, a 9-volt Battery Clip, a miniature speaker, and 2 double-sided, 162 plated-thru hole PCBs. The PCB is 1.1" x 2.0" , has .100" centers, and has 4 mounting holes. Search the web for incredible circuits to build. We supply the parts, you supply the ingenuity. You get the following:

TypePart DescriptionQuantity
IC, DIP-16HT8970, Voice Echo IC1 ea
IC, DIP-8LM741, Single Op Amp1 ea
IC Socket8 Pin, Solder Tab1 ea
IC Socket16 Pin, Solder Tab1 ea
PCBNightFire Electronics PCB, Blank, FR-42 ea
Resistor100 Ohms, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor270 Ohms, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor330 Ohms, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor470 Ohms, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor560 Ohms, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor680, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor1.0K, 1/4 Watt, 5%, Carbon Film5 ea
Resistor3.3K, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor4.7K, 1/4 Watt, 5%, Carbon Film 10 ea
Resistor5.6K, 1/4 Watt, 5%, Carbon Film5 ea
Resistor6.8K, 1/4 Watt, 5%, Carbon Film5 ea
Resistor10K, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor12K, 1/4 Watt, 5%, Carbon Film5 ea
Resistor15K, 1/4 Watt, 5%, Carbon Film5 ea
Resistor18K, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor20K, 1/4 Watt, 5%, Carbon Film5 ea
Resistor27K, 1/4 Watt, 5%, Carbon Film5 ea
Resistor33K, 1/4 Watt, 5%, Carbon Film 5 ea
Resistor47K, 1/4 Watt, 5%, Carbon Film5 ea
Resistor56K, 1/4 Watt, 5%, Carbon Film5 ea
Capacitor39pF, 50V, NPO, Ceramic 2 ea
Capacitor330pF, 50V, NPO, Ceramic 2 ea
Capacitor470pF, 50V, NPO, Ceramic 2 ea
Capacitor680pF, 50V, NPO, Ceramic 2 ea
Capacitor1000pF, 50V, X7R, Ceramic 2 ea
Capacitor5000pF, 100V, X7R, Ceramic 4 ea
Capacitor.01uF, 50V, X7R, Ceramic 4 ea
Capacitor.033uF, 400V, Metal Polyester2 ea
Capacitor.05uF, 50V, X7R, Ceramic 4 ea
Capacitor.1uF, 250V, Metal Polyester4 ea
Capacitor1.0uF, 50v, 85° C, Aluminum, Radial3 ea
Capacitor4.7uF, 25v, 85° C, Aluminum, Radial5 ea
Capacitor10uF, 63v, 85° C, Aluminum, Radial2 ea
Capacitor22uF, 16v, 85° C, Aluminum, Radial2 ea
Capacitor33uF, 16v, 85° C, Aluminum, Radial2 ea
Capacitor47uF, 25v, 85° C, Aluminum, Radial2 ea
Capacitor100uF, 16v, 85° C, Aluminum, Radial2 ea
Capacitor220uF, 16v, 85° C, Aluminum, Radial2 ea
Capacitor470uF, 10v, 85° C, Aluminum, Radial2 ea
Potentiometer5.0K, Single-Turn, PCB Mount1 ea
Potentiometer10K, Single-Turn, PCB Mount1 ea
Potentiometer20K, Single-Turn, PCB Mount4 ea
LEDRed, Round2 ea
LEDGreen, Rectangular2 ea
LEDYellow, Round2 ea
MicrophoneElectret, 2 pin2 ea
Phono JackRCA Phono Jack, Female, PCB Mount2 ea
Battery Clip9 volt, Snap, I-Type, 4" Wires 1 ea
HeaderMale, 10-pin .100" Centers, Square Post, Breakable1 ea
HeaderFemale, 10-pin .100" Centers, Square Post, Breakable1 ea
SwitchPushbutton, SPST Momentary, PCB Mount2 ea
Speaker8 Ohms, .1 Watt, Miniature, Round1 ea




Payment and Shipping Details


Seller IP Address: United States - United States

Shipping services available:
Shipping / Handling Cost Cost For Each Additional Item Service
$4.25 $0.00 USPS First Class Mail (2 to 3 business days)

Payment methods accepted:
  • PayPal Accepted
  • Checks / Money Orders Accepted Check or Money Order

Return Policy:
Returns are not Accepted



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