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I used a RPT-60C because I need 5V for digital microcontroller.+15V rated at .1-.65A-15V rated at .1-.5ATotal load in circuit is about 195mA on +15V rail so over 20% of load of SMPS (I have other parts not only that 1512).That 1512 preamp circuit is separated from the rest of the circuit in which I have relays and leds.The -15V rail is underpowered because it supply only That1512+THAT1646 and 3x TL074+3x Ne5532.Probably it causes the noise.Thanks
I used a RPT-60C because I need 5V for digital microcontroller.
+15V rated at .1-.65A
-15V rated at .1-.5A
Total load in circuit is about 195mA on +15V rail so over 20% of load of SMPS (I have other parts not only that 1512).
That 1512 preamp circuit is separated from the rest of the circuit in which I have relays and leds.
The -15V rail is underpowered because it supply only That1512+THAT1646 and 3x TL074+3x Ne5532.
Probably it causes the noise.
Thanks
