Triggering
The GX1120 can be triggered via a software command, a PXI trigger event, or an external trigger input, offering users the ability to control waveform generation via external trigger events. The waveform trigger modes include continuous, triggered, gated hold, and burst functionality.
Sample Clock
An internal 50 MHz clock reference is used to create the 250 MHz clock for DDS mode. For Arb mode, two independent PLLs are used to drive each arbitrary waveform generator with a maximum sample rate of 250 MHz. The PLLs can use the internal 50 MHz reference or they can be locked to the PXI 10 MHz clock. The sample clock can generate sample frequencies with 4 digits of resolution or 10 ps of resolution.
Thông số kỹ thuật
| STANDARD WAVEFORMS |
| Sine, triangle, square, pulse, ramp up, ramp down, noise |
WAVEFORM MAXIMUM FREQUENCY
(FS = 250 MHZ) |
DDS MODE |
AWG MODE |
| Sine |
100 MHz |
|
| Triangle |
20 MHz |
|
| Ramp |
20 MHz |
|
| Pulse |
|
100 MHz |
| Square |
100 MHz |
|
| Noise |
|
10 MHz |
| ARBITRARY WAVEFORM GENERATOR MODE |
| Sample Rate |
0.1 Hz to 250 MHz |
| Multiplexed Channel Sample Rate |
400 MHz (max) |
| Sample Rate Resolution and Accuracy |
4 digits, limited by 10 ps
1 ppm, 15 to 35 C |
| Vertical Resolution |
16 bits |
| Waveform Memory |
32 M samples |
| DDS MODE |
Frequency Range,
Resolution, and
Accuracy |
1 µHz to 100 MHz
12 digits, resolution
1 ppm accuracy |
| Non-Harmonic Spurious Components |
< 60 dBc (DC to 1 MHz)
< 50 dBc to 200 MHz |
Distortion
(2nd Harmonic Relative to Carrier) |
< -65 dBc @ < 20 kHz
< -60 dBc, 20 kHz to 100 kHz
< -50 dBc, 100 kHz to 5 MHz
< -30 dBc, 5 MHz to 80 MHz |
| Phase Noise |
< -100 dBc / Hz (typical) at 1 MHz
10 kHz offset from carrier |
| Clock Feedthrough and Clock Harmonics |
< -60 dBm to 1 GHz |
| Modulation |
AM: Int. / Ext. 0 - 100%, DC to 20 kHz
FM: Int. / Ext. DC to 20 kHz
Phase offset: 0 - 360 degrees, 0.1 degree resolution |
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