Agilent Technologies E5503A Manual do Utilizador descarregar pdf (Página 22)

22 Chapter 1

E5500 Phase Noise Measurement System Product Security

70422A, N5502A 18 GHz Downconverter Instrument memory

70422A, N5502A 18 GHz Downconverter

Instrument memory

Summary of instrument memory

The 70422A and N5502A phase noise downconverters do not store any measurement parameters while

in the power off state.

Memory

Type and

Size

Writable During

Normal Operation?

Data Retained When

Powered Off?

Purpose/

Contents

Data Input

Method

Location in

Instrument and

Remarks

Sanitization

Procedure

Volatile

Memory

DRAM

128 KB

Yes No Stores current

measurement state

for the 70422A and

N5502A

downconverters

User

Modifiable

A6 PS/Controller

board

Cycle power

Non-Volatile

Memory

EEPROM

2 KB

No Yes Stores model #,

serial #, options,

calibration constants

during calibration

Non - User

Modifiable

A6 PS/Controller

board

Not required, no

measurement

data present

Non-Volatile

Memory

EPROM

1 MB

No Yes Firmware for

instrument operation

Non - User

Modifiable

A6 PS/Controller

board

Not required, no

measurement

data present

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