Agilent Technologies 5071A Functional Block Descriptions, Input/Output Block, Power Supply Block

Assembly-Level Service

Theory of Operation

Input/Output Block

Any TCO Option: The first sentence of the second paragraph is changed to:

The block also receives a front-panel Sync-input signal to synchronize the 1 pps output with an external system or event.

Power Supply Block

Option 048: The text is changed to:

The power supply block provides the instrument with required internal dc power from either ac power or an external dc power source. It monitors the presence of these power sources, switching from one to another as required.

Functional Block Descriptions

Any TCO Option: On page 3-7. the second bulleted item text under the Reference Oscillator/RF-Chain Block is changed to:

A9 Frequency Multiplier/Telecommunication Sync Input/Outputs

Synthesizer

Option 048: On page 3-7. the last bulleted item under the Power Supply Block is deleted:

Figure 3-2. 5071 A Overall Block Diagram

Any TCO Option: The Rear-Panel Sync Input at the top of page 3-8 is deleted:

Any TCO Option: The A9 Frequency Multiplier Module block has the following name and input output changes:

A9 Frequency Multiplier/Telecommunications Input Sync and Output

Synthesizer Module

An additional 8 kHz Sync Input is routed to A9 from the rear panel.

Four additional outputs exit A9 and are routed to the rear panel;

•8 kHz Sync Out

•Framed Output

•Sync Out

•Sync Out TTL

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