[ARC5] 274N/ATA: Not Exactly Identical

[Robert Downs]

Note that in later production of NAVAER 08-5Q-4, the value of R55 is correctly described as 15,000 ohms, not 1500 ohms as in Dave's earlier edition.

Robert Downs

-----Original Message-----
From: arc5-bounces at mailman.qth.net [mailto:arc5-bounces at mailman.qth.net] On Behalf Of David Stinson
Sent: Thursday, April 2, 2020 09:35
To: ARC-5
Subject: [ARC5] 274N/ATA: Not Exactly Identical

(OK let's try this again)

While it's often ...

Here is a function diagram of the ATA modulator and a circuit description:
https://photos.app.goo.gl/Sxt5TSEdu921HcLt7
https://photos.app.goo.gl/8qJ1ojJu3CLrN7zf7
Please note there is a typo in the ATA description; R55 is 15K, not 1.5K.