Agilent Technologies E5503A Manual do Utilizador descarregar pdf (Página 10)

10 Chapter 1

E5500 Phase Noise Measurement System Product Security

70420A, N5500A Test Set Instrument memory

Summary of instrument memory

The 70420A and N5500A phase noise test sets 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 70420A and

N5500A test sets

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,

measurement

data present

Non-Volatile

Memory

EPROM

1 MB

No Yes Firmware for

instrument

operation

Non - User

Modifiable

A6 PS/Controller

board

Not required,

measurement

data present

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 38 39

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