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Keysight/Agilent E1429A, C-Size, 1-Slot, Message-Based, VXI Digitizer
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Keysight/Agilent E1429A VXI Digitizer
The E1429A VXI 20 MSa/s Digitizer from Keysight is used to provide dual-channel waveform acquisition for synchronized functions. It supports programmable sample rates between 0.05 Sa/s and 20 MSa/s operation. The unit delivers 12-bit resolution supporting precise waveform characterization during electronic validation and analysis procedures. The effective resolution reaches 10 bits during 100 kilohertz measurements using full-scale inputs with controlled impedance configurations. The performance reaches 9.5 effective bits during 10 megahertz. Its oversampling-based alias protection preserves waveform reliability during rapid acquisitions across continuously changing signal measurement environments.
The dual rate sampling enables automatic frequency transitions immediately after receiving programmed arm control events. Battery-backed memory stores 512 thousand readings per channel, supporting dependable waveform retention during extended operating intervals. The digitizer module supports 50 ohm and 75 ohm single-ended impedance configurations for flexible integration requirements. Differential inputs provide 1 Mohm impedance with 20 picofarad capacitance supporting stable high voltage signal measurements accurately.
The signal ranges extend between 0.1 volts and 100 volts using selectable 1, 2, and 5 progression settings. Analog bandwidth reaches 50 megahertz during single-ended operation using the dedicated 1-volt measurement configuration. The differential bandwidth reaches 5 megahertz at 10 volts. The signal-to-noise ratio of the unit is found to be -62 decibels by providing dependable waveform clarity.
The internal crystal reference provides 50 ppm stability and typical jitter of less than 25 ps consistently. Multiple reference sources include faceplate BNC connections, CLK10 interfaces, and ECLTRG synchronization support for integration requirements. The time-base resolution is set at 50 nanoseconds for accurate timing in repetitive waveform analysis. The arm delay can be programmed between 50 nanoseconds and 32 milliseconds, and the internal reference architecture is efficient.
The E1429A VXI Digitizer module uses a VXI word serial protocol that further communicates through dedicated transfer bus interfaces. The registers communicate with each other, and their maximum transfer sizes are 16-bit and 32-bit with a maximum throughput of up to 8 Mbits. Communication sequences with A16/A24 mode supported addressing with D8/D16/D32 read operations. The P1 and P2 connectors ensure standardized access to the interface by allowing reliable integration with the existing system architectures. Low frequency common mode rejection is 68 decibels by providing enhanced differential measurement stability during sensitive applications consistently.
| Model | E1429A |
|---|---|
| Manufacturer | Keysight/Agilent |
| Part Type | VXI 20 MSa/s Digitizer |
| Resolution | 12-bit |
| Number of Channels | 2 Channels |
| Sample Rate | 0.05 Sa/s to 20 MSa/s |
| Memory Length | 512 k readings per channel |
| Signal to Noise Ratio | -62 dB typical |
| Internal Reference | 20 MHz crystal reference |
| Signal Voltage Range | 0.1 V to 100 V |
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Eligible returns may be accepted within 30 days at Apex Waves’ discretion. A 25% restocking fee applies; non-refundable and built-to-order products are excluded.
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