HP 8904A - Page 165

HP 8904A Option 007 Enhancements
3c-9
hurth Menu
Carrier Frequency - Change the camer frequency by pressing the
FREQ key and entering the desired frequency.
f2 Preemphasis - Pre-emphasis in the Hp 8904A is configured so
sat the entered composite level is achieved at the maximum tone
frequency allowed
(15 kHz). The rolloff of the composite level for
frequencies
<15 kHz follows the transfer function of the specified
preemphasis time contant.
7 = pre-emphasis setting
1
f3dB = 2;;;
Change the pre-emphasis by pressing the - f2 key. The following
pre-emphasis settings are available:
0 off
a 25ps
5Ops
0 75ps
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