SG-DOA v2 DOA (Discrete Op Amp) as designed by Samuel Groner

SG-DOA v2 DOA (Discrete Op Amp) as designed by Samuel Groner



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  • Handmade

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Dec 3-5

Nov 28

Order placed

After you place your order, KADProducts will take 1-2 business days to prepare it for shipment.

Nov 30-Dec 1

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KADProducts puts your order in the mail.

Dec 3-5


Estimated to arrive at your doorstep Dec 3-5!

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Ships from Bakersfield, CA
Carl Huff

Carl Huff

Owner of KADProducts



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A fully built and tested discrete BJT Operational Amplifier as designed Samuel Groner and manufactured in the USA by KAD Products.

This is his SGA-SOA v2 on an improved double sided PCB. It features a 2520 style footprint.

The typical specifications for RL = 600 Ω and Vsupply = ±18 V:

Input offset voltage: < 20 mV
Input bias current: −1.1 μA
Input voltage noise: 1.5 nV/√Hz at 1 kHz
Current noise density: 0.6 pA/√Hz at 1 kHz
Open loop voltage gain: 80 dB
Gain-bandwidth product: 40 MHz at 10 kHz
Unity-gain bandwidth: 15 MHz
Slew rate: ±14 V/μs
Output swing: ±17 V
Class A output drive: 600 Ω for full voltage swing
Maximum output current: ±230 mA
Supply current: 21 mA (no load)

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