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| Make |
various |
| Model |
Hearn Morley VCO chip |
| Description |
Hearn Morley's excellent VCO chip. The HMVCO1c is a 0.7' pitch DIL module providing a temperature compensated accurate exponential voltage controlled oscillator (VCO) intended for audio and synthesizer applications. The design is adapted from a VCO design by Terry Mikulik published originally in the 'Electronotes' series http://electronotes.netfirms.com/
Features
Wide sweep range 10,000:1
Excellent logarithmic conformance
Temperature compensated
Simultaneous sawtooth, pulse and triangle wave outputs
PWM Input. 0% to 100%
Hard sync input
+/-12V* to +/-15V power supplies
Low external parts count.
Above and below audio frequency operation.
You have schematics on his website here https://sites.google.com/site/hearnmorley/products/hmvco1b
shows you how to build a VCO module that ROCKS |
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| Age |
n/a |
| Weight |
n/a |
| Condition |
Mint |
| Location |
Uk |
| Vat |
Not from a VAT-registered business. But VAT / duty may be due if importing from outside your trade bloc. |
| Quantity |
1 item is available from the owner |
| Options |
User manual : No |
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Service manual : No |
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First owner : Yes |
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Original boxes : No |
| Plug type |
Plug not required |
| Voltage type |
Power supply not needed |
| Status |
Item has been sold or not sold in a previous auction |
| Sale type |
The item is on the auction rooms |
| Ending on |
13/11/2022 |
| Category |
Accessory |
| Serial number |
n/a |
| Sphere reference |
# 23238 |
| Statistics |
Created on : 08/04/2021 |
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Changed on : 25/10/2022 |
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Published on : 25/10/2022 |
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Displayed : 293 time(s) by members and guests |
| Safety |
All electrical items sold in VEMIA are deemed to be trade sales. No warranty of electrical safety is given or implied. Many items are vintage and would not pass current electrical safety standards. It is the responsibility of the buyer to ensure that items are safe to use in their future environment - if necessary by using the services of a professional. |
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Prices and conditions  |
 top |
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The following section gives you the prices as well as shipment and payment conditions associated with the item. Payment is always requested in GBP. Converted price is shown for information and converted with Sphere standard currency rate.
Shipment and Payment links gives you access to an extended description of our rating :
| Start price |
19 GBP |
| Converted price (1) |
19 GBP |
| Shipment |
International or local shipment to pay |
| Packing costs |
0 GBP |
| Payment |
Full pre payment needed |
| Auction bid step |
2 GBP |
| Auction highest bid |
21 GBP |
| Converted highest bid |
21 GBP |
| Leader or winner |
magman |
| (1) Currency conversion |
Note that conversion rates were last adjusted on 5th October 2022 at 10:56 CET. They are there to give you a rough guide to the bid price in your currency. Please check for a more up-to-date conversion at http://www.x-rates.com/calculator.html. The bid price will be the actual price in pounds (GBP) at the moment the auction closes. This will be roughly converted to your currency for your information.
For technical reasons, we are unable to update the conversion from GBP to Euro during the auction, although it has changed by well over 10%. If you are in the euro zone please check the current rate at http://www.x-rates.com/calculator.html
Payments from UK and non-Euro currency regions must always be in GBP. Payments to and from Euro currency regions can be in Euros via our French bank.The applicable Euro amount will be the exact amount specified on your invoice or credit note. For more info please see the FAQ about exchange rates. |
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