Apollo VR 1260/4060

A while ago, a friend of mine asked me if I could help him to draw a Voltage Regulator for the ACT Electronic Apollo 1260/4060 cards. Unless you need to replace your current Voltage Regulator it is also used when you upgrade a Apollo card from 040 to 060. This is is because of that 060 used 3.3V compared to the 5V that 040 uses.

A goal for this was not only to make a compact Voltage Regulator but also add two extra features such as a 5V header for a fan and also add an option to easy add a header for reading the Thermal Sensor in the MC68060. The result was the following.

I used a 2 layer PCB design with a LDO, some Tantalum capacitors and the smallest component is a 100nF 0402 SMD Capacitor. I have been using Elecrow’s PCB service lately and they deliver good service and quality to a very good price.

After around two weeks I got the PCB’s delivered and I made around 11 pieces to test and the result was very promising. All tests and also live tests showed that it was working. The final result after assembly was very nice and has extremely compact design.

The Voltage Regulator was also able to handle 80MHz+ overclocking on the Apollo 1260 card with a 060 rev. 6 that I own. Later on I will write down and document a sample of how to use the Thermal Sensor-header on the Voltage Regulator.

If you are interested in buying one of the Apollo Voltage Regulators, you can see my ad at Amibay here.

Enjoy and thanks for reading!

A while ago, a friend of mine asked me if I could help him to draw a Voltage Regulator for the ACT Electronic Apollo 1260/4060 cards. Unless you need to replace your current Voltage Regulator it is also used when you upgrade a Apollo card from 040 to 060. This is is because of that 060 used 3.3V compared to the 5V that 040 uses.

A goal for this was not only to make a compact Voltage Regulator but also add two extra features such as a 5V header for a fan and also add an option to easy add a header for reading the Thermal Sensor in the MC68060. The result was the following.

apollovrpcb

I used a 2 layer PCB design with a LDO, some Tantalum capacitors and the smallest component is a 100nF 0402 SMD Capacitor. I have been using Elecrow’s PCB service lately and they deliver good service and quality to a very good price.

After around two weeks I got the PCB’s delivered and I made around 11 pieces to test and the result was very promising. All tests and also live tests showed that it was working. The final result after assembly was very nice and has extremely compact design.

apollovrinformation

The Voltage Regulator was also able to handle 80MHz+ overclocking on the Apollo 1260 card with a 060 rev. 6 that I own. Later on I will write down and document a sample of how to use the Thermal Sensor-header on the Voltage Regulator.

apollovrmounted

If you are interested in buying one of the Apollo Voltage Regulators, you can see my ad at Amibay here.

Enjoy and thanks for reading!

5
Comments
  1. Glenn says:

    Is this the same converter used on the apollo 3060 and 4060 ?

  2. 8bitplus says:

    Hello. Did you ever document the use of the Thermal Sensor? I have an Apollo 1260 and would like to take temp readings

    1. highpuff says:

      Hey 8bitplus!

      Sadly I have not had the time yet to test it. But the temperature coefficient of the resistor is around 1.2 Ohm/C with a nominal resistance of 400 Ohm at 25C. My idea was to use a miniArduino or similar to read it.

  3. 8bitplus says:

    Do you think this could be adapted?
    https://imgur.com/gallery/vGAQU

    It would need some changes to the inputs for the thermal resistor, and the code would have to reflect that too.

    1. highpuff says:

      Something like that yes. I will do my test soon 🙂 Just need some vacation.

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