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TOPIC: Sunsdr2 pro adding fan

Sunsdr2 pro adding fan 16 Dec 2022 21:02 #1

What options for adding a fan at the pro version ? What you do for this for cooling ,do you put a fan and always have a steady speed or with any control you manage to increase the speed as temperature rise up ?
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Sunsdr2 pro adding fan 17 Dec 2022 01:54 #2

  • VK6NX
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NTZANIS wrote:
What options for adding a fan at the pro version ?
Pin 14.
eesdr.com/images/Document/SunSDR2_PRO/External%20Devices%20connection%20Diagram_SunSDR2PRO_EN.pdf
NTZANIS wrote:
What you do for this for cooling ,do you put a fan and always have a steady speed or with any control you manage to increase the speed as temperature rise up ?
Steady works.
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Sunsdr2 pro adding fan 18 Dec 2022 08:34 #3

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Hi.
I use surplus 12v dc blower , 13cm diameter .. supply it fra a 5V USB powersupply . on top like the sdr2DX .
no noise, low rpm .. running all time , and temp never gets above 35 Dg Celcius. :-)
In RX below 30 Dg.

73 de Brian. OZ1CTZ
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Sunsdr2 pro adding fan 20 Dec 2022 06:55 #4

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SALUT MOI AUSSI JUTILISE UN VENILATEUR PERMANENT COOL LA TEMPERATURE NE DEPASSE PAS LES 27. A 28
image0.jpeg
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Sunsdr2 pro adding fan 20 Dec 2022 06:59 #5

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copie d'écran 73's
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Sunsdr2 pro adding fan 20 Dec 2022 08:01 #6

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I just run a small PC fan powered by a power pack from an old router. Works well and keeps the radio cool.
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Sunsdr2 pro adding fan 28 Dec 2022 09:52 #7

F4JFG What dimensions is this fan ? Should have 2 wires or 3 .If I need to put any external speed control ,i look for noctua
Last Edit: 28 Dec 2022 09:54 by NTZANIS.
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Sunsdr2 pro adding fan 06 Jan 2023 07:11 #8

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hello sorry for the delay for the answer 120x120
the radio does not heat up to more than 31°
73's qro
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Sunsdr2 pro adding fan 06 Jan 2023 07:17 #9

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Sunsdr2 pro adding fan 06 Jan 2023 07:19 #10

Accès restreint
Service non disponible dans votre région
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Sunsdr2 pro adding fan 06 Jan 2023 07:24 #11

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chez I5XWW
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Sunsdr2 pro adding fan 06 Jan 2023 07:27 #12

Yes I was bought a cable adapter for the 705 at the past ,I order the ptt cable from Ukraine ,when I received it I open it and put also for the fan
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