お知らせ：０７６はゲーム開発スタジオとなる為、４月２日をもって０７６萌ＳＮＳ及び０７６萌Mitraのサービスを終了致します。諏訪子様は、新しいスタッフ専用のMitraインスタンスで引き続きフォロー出来ます。

これまで０７６萌ＳＮＳ又は０７６萌Mitraをご利用頂き、誠に有難う御座いました。

Outside of the ocxo with 4 lugs: HF, ground, and 24 plus and minus. Nothing tells the user that the +24 volts line is internally connected to the hf ground. If I want a normal supply, this will require an isolation circuit on the output. - ０７６萌ＳＮＳ

お知らせ：０７６はゲーム開発スタジオとなる為、５月２日をもって０７６萌ＳＮＳ及び０７６萌Mitraのサービスを終了致します。諏訪子様は、新しいスタッフ専用ののMitraインスタンスで引き続きフォロー出来ます。これまで０７６萌ＳＮＳ又は０７６萌Mitraをご利用頂き、誠に有難う御座いました。

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Outside of the ocxo with 4 lugs: HF, ground, and 24 plus and minus. Nothing tells the user that the +24 volts line is internally connected to the hf ground. If I want a normal supply, this will require an isolation circuit on the output.

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F4GRX SÃ©bastien (f4grx@chaos.social)'s status on Friday, 10-Jan-2025 07:17:02 JST F4GRX SÃ©bastien
in reply to

@altomare starting analysis of the second board. As suspected, the coax shield is connected to the positive supply, so this oscillator is actually powered by -24VDC to ground... Or, output signal is referenced to +24V. Weird.

In conversation about 2 months ago from social.076.moe permalink

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Outside of the ocxo with 4 lugs: HF, ground, and 24 plus and minus. Nothing tells the user that the +24 volts line is internally connected to the hf ground. If I want a normal supply, this will require an isolation circuit on the output.

Notices where this attachment appears