7.5 Signal Characteristics
131
IM FG410-01EN
Accuracy
*1
±( | 1% of DC offset setting [V] | +5mV
+ 0.5% of amplitude setting [Vp-p])/open
Condition: Sine wave output of 10 MHz or lower, 20°C
to 30°C
Outside 20°C to 30°C temperature range,
1 mV/°C typ. is added
7.4.3 Load impedance setting
Functions
Setting and display of the amplitude and DC offset for
the output termination voltage under the specified load
condition.
Setting range
1
Ω
to 10 k
Ω
(1
Ω
resolution), 50
Ω
, High-Z (load open)
7.4.4 Waveform output
Output on/off control
On, Off (selectable) (When Off, output pin open state)
Output impedance
50
Ω
, unbalanced
Short-circuit protection
Protection against short circuit to signal GND
Output connector
Front panel, BNC receptacle
7.4.5 Sync/sub output
Output signal
Reference phase sync, internal modulation sync, burst
sync, sweep sync, sequence step sync, internal
modulation signal, sweep X drive (selectable)
Reference phase sync output
Square waveform with 50% duty that rises at zero
waveform
phase position of reference phase (DDS oscillation
phase) of waveform output
Output voltage
Sync signals: TTL level (low level 0.4 V/open or lower,
high level 2.7 V/open or higher)
Internal modulation signal:
−
3 V to +3 V/open
Sweep X drive: 0 V to +3 V/open
Output impedance
50
Ω
, unbalanced
Load impedance
50
Ω
or higher recommended
Output connector
Front panel, BNC receptacle
7.5 Signal Characteristics
7.5.1 Sine wave
Amplitude frequency characteristics
*1
100 kHz or lower
±0.1 dB
100 kHz to 5 MHz
±0.15 dB
5 MHz to 20 MHz
±0.3 dB
20 MHz to 30 MHz
±0.5 dB (±0.8 dB at amplitude setting of 2.8 Vp-p/50
Ω
or higher)
Condition: Amplitude setting 50 mVp-p to 10 Vp-p/50
Ω
, reference frequency 1 kHz
Total harmonic distortion
*1
10 Hz to 20 kHz
0.2% or less
Condition: Amplitude setting of 0.5 Vp-p to 10 Vp-p/50
Ω
