Frequency Modulation (Fm) - Hameg HM8135X Manual

T y p e s o f M o d u l a t i o n
Example 4: For AM square (depth: 50%),
Example 5: For AM triangle (depth: 50%),
Example 6: For AM positive ramp (depth: 50%),
shows:
Example 7: For AM negative ramp (depth: 50%),
shows:
32
Subject to change without notice
Frequence modulation (FM)
the display shows:
After selecting DEV (FM MEMU) using the context sensitive keys
A new value of the deviation can be entered from the data
keypad
four context sensitive keys
paragraph "Setting parameters".
The deviation (step 100 Hz) may be changed from:
–
–
–
the display shows: –
–
The return to the previous menu is possible by pressing the
PREV. key
the ESC key
Example 8: For FM sine, the display shows:
(deviation: 400 kHz)
the display
Example 9: For FM square, the display shows:
the display
CH1— > modulation signal
CH2— > modulated signal (deviation: 80 kHz)
, the display shows:
or modifi ed by the digital rotary
.
±200 Hz to ±150 kHz (<16 MHz)
± 2 kHz to ±400 kHz (16 - 250 MHz)
± 1 kHz to ±100 kHz (250 - 500 MHz)
± 1 kHz to ±200 kHz (500 -1000 MHz)
± 2 kHz to ±400 kHz (1000 -3000 MHz)
and the return to the main display by pressing
.
or by one of the
For more details, refer to the