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Model 845-M Programmer’s

Manual

V1.1 2011

[SOURce]:PM Subsystem (Phase

Modulation)

Command Parameters Unit

(default)

[SOURce:

]

P

M:DEViation

<value>

1

rad

[SOURce:]PM:SENSitivity <value>

1

rad/V

[SO

U

Rce:

]

P

M:SOURc

e

EXTernal |

INTernal

EXT

[SOURce:]PM:STATe

ON|OFF|1|0 OFF

:

PM:DEViation

[SOURce]:PM:SENSitivity

<value>

[SOURce]:PM:

SENSitivity?

This command sets

the

phase

modulation deviation.

This

setting will be

used

if

:PM:SOURce

is

set to LFGenerator.

The variable <value>

is expressed

in units of radians.

*RST 1

:PM:SENSitivity

[SOURce]:FM:SENSitivity

<value>

[SOURce]:FM:

SENSitivity?

This command sets

the

phase

modulation deviation per one volt peak amplitude

signal

input.

This

setting will be

used

if

:PM:SOURce is

set to EXTernal.

The variable <value>

is expressed

in units of

radians

per

Volt.

*RST 1

:

PM:SO

U

Rc

e

[SOURce]:PM:SOURce EXTernal |

INTernal

[SOURce]:PM:SOURce?

This command selects

the PM modulation

signal source.

If

INTernal is selected,

an

inter

nal

modulation

source is

applied. If

EXTernal is selected,

the

device’s

)

M

input (at the rear panel) is activated.

*RST

EXT

:PM:STATe

[SOURce]:PM:STATe

ON|

O

FF|1|

0

[SO

U

Rce

]:

P

M

:

STAT

e

?

This command

turns the

phase

modulation on or

o

f

f.

*RST

OFF