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Theory of Operation
Theory of Operation
This section describes the additions, changes, and deletions to the information that appears in chapter 3 of the 5071A Primary Frequency Standard
Introduction
A1 Motherboard Circuit Description
Option 048: The second sentence of the paragraph at the bottom of page
It gives you information about how individual components on A1 and component groups (including A11, A12, and T1) perform their functions and provide dc power to the instrument.
Simplified Functional Description
Option 048: Item 6 text is changed to:
Power distribution; A1, A11, A12, LF1, and T1.
Figure 3-1. 5071 A Simplified Block Diagram
Any TCO Option: The block diagram is changed in the following ways:
The
Block is absent.
The
Output Block are absent.
A
Option 048: The block diagram is changed in the following way:
The B1 Standby Battery in the Power Supply Block is absent.
Reference Oscillator/RF-Chain Block
Any TCO Option: The second paragraph has an added second sentence:
Any telecommunications output option provides a Sync input and four outputs that are fed into and derived from the Reference Oscillator/ RF Chain Block.