Technical Specifications
Function Generators
XIV -
59
Technical Specifications (contd.)
SYNC
synchronisation
function
(GX 320 only)
•
Max. generated signal frequency: 100 kHz
•
Phase adjustment
±
180 ° by steps of 1°
•
Synchronisation precision dependent on generated signal frequency,
∆φ
=
±
F
signal
x 3.6 x 10
-5
(for a cable length of < 1 m)
BURST pulse
generation function
(GX 320 only)
•
Entry of the number of signal periods (impulses) from 1 to 65535
•
The minimum window for the signal is: 2 µs (see details in BURST para.)
•
Over 10 MHz the number of periods can vary by 1 and the phase on
SQUARE and TTL_OUT can change by 180°
•
Trigger Jitter:
≤
15 ns
Internal BURST
•
Entry of the burst period from 10 ms to 100 s with a 10 ms resolution
External BURST
•
Triggering of the burst using an external TTL signal with a frequency of less
than 1 MHz on the BNC ‘INPUT BURST’ or triggered manually (MODE key)
•
Trigger delay of approx. 1.5 µs
GATE Function
(GX 320 only)
•
Authorisation to output the alternating component of the MAIN OUT signal using
a TTL signal with a frequency of
≤
2 MHz on BNC ‘INPUT GATE’
(+ 5 V
Main out generated and 0 V
alternating component cut)
•
Delay of approx 100 ns
FREQ external
frequency meter
function
•
Input on the front face BNC terminal (FREQ EXT)
•
External frequency measurement from 5 Hz to 100 MHz
•
Max. amplitude max.
(*)
of measured signals:
300 V from 5 Hz to 5 kHz
30 V from 5 kHz to 1 MHz
10 V beyond these values
(*)
signal with a duty cycle at 50 %
•
Precision of the measured frequency: ± 0.05 % + 1 digit
•
Frequency display measured on 5 digits
Sensitivity
•
< 50 mVrms for F
≤
30 MHz
•
< 60 mVrms for 30 MHz < F
≤
80 MHz
•
< 90 mVrms for 80 MHz < F
≤
100 MHz
Measurement
stabilisation time
•
≤
1 s from 5 Hz to 20 Hz
(
≥
1 measurement per second)
•
≤
100 ms from 20 Hz to 400 Hz
(2 measurements per second)
•
≤
40 ms from 400 Hz to 100 MHz
(2 measurements per second)
Input Impedance
•
1 M
Ω
// 22 pF approx.
Protection
•
Max voltage. : 300 V (50 - 60 Hz) CAT I