How To Set The Output Power Of A Modulated Signal; How To Configure The Modulation Output; How To Set The Bnc Output Line Mode As A Modulation Output; How To Set The Modulation Output Mode - HP 8163A User Manual

Tunable Laser Sources
How to Modulate a Signal
Coherence control greatly reduces interference effects and therefore
improves the power stability in sensitive test setups.
To enable coherence control:
1 Move to the Tunable Laser channel and press [Details].
2 Move to [M S
OD RC
3 Move to <C
OHERENCE
linewidth to approximately 500 MHz.
4 Press E . The text CC appears in the Tunable Laser channel.
NTER

How to Set the Output Power of a Modulated Signal

All external modulation modes require you to set the output power.
To set the output power, see "How to Set the Output Power of a
Modulated Signal" on page 117.
How to Configure the Modulation Output
If your Tunable Laser module has a BNC output connector on its
front panel, to synchronize your external measuring equipment to
the modulation of the module:
1 Move to the Tunable Laser channel and press M

How to Set the BNC Output Line Mode as a Modulation Output

2 Move to <BNC O
3 Move to <M
ODULATION
signal is output, if the optical output is digitally modulated, that
is, if you choose <I
<B > as the chosen modulation source. The output
ACKPLANE
signal has the same frequency as the optical output.
4 Press [OK].

How to Set the Modulation Output Mode

5 Move to <M
ODOUT
6 Move to either of the following two menu items, by using the
123
] and press E .
NTER
C .>, Coherence Control, to increase
TRL
> and press [OK].
UTPUT
>, by using the cursor key. A TTL-level
>, <E
NTERNAL XTERNAL
> and press [OK].
.
ENU
D >, or
IGITAL