HP E1430A VXI 10 MSa/s 23 bit Digitizer with DSP and Local Bus

The HP E1430A high-resolution digitizer is a C-size, 1-slot, register- based VXI module that can analyze spectra or capture transients, digitize IFs or record waveforms. The module includes DSP-based real time digital filtering with digital LO and large FIFO memories.

The digitizer used in this module is a two-pass (or sub-ranging) type that provides 23 bits of raw resolution. The digitizer in the E1430A has low distortion with a noise density of -136 dBfs/Hz and a noise figure of 15 dB.

The module comes with multistage digital filters built in with a maximum information bandwidth of 4 MHz. A high-speed 8 MB memory captures transients or acts as a FIFO for continuous digitizing during the block-mode data transfers used by some DSP algorithms. Data transfer is over the VXI data path and the high speed Local Bus (40 Mbytes/sec).

[ Features ]

High dynamic range
Built-in anti-alias filters and signal conditioning
Programmable digital filters and digital L/O
FIFO memory
Local Bus capability

Note: Configuration software that allows you to easily select compatible interfaces, controller platforms, and VXI test system components is available on CD ROM. Order the "Test System and VXI Products Catalog and CD ROM" from the Test & Measurement Catalogs available at this web site.

[ Specifications ]

Analog Input
Ranges (in 6 dB steps): +28 dBm to -32 dBm
Input impedance: 50 ohms, >40 dB return loss, 4 MHz, DC coupled.




Accuracy
Resolution: 23 bits
Absolute voltage measurements: ±0.03 dB (DC coupled, f<100 kHz, decimation filters off, 
	±1V range, 25°C, analog anti-alias filter on)
Range accuracy: ±0.03 dB (relative to ±1 V range for all ranges, f <100 kHz)
Temperature drift: <0.001 dB per °C of deviation from 25°C




Dynamic Range
Harmonic distortion: <-110 dBfs or -80 dBc, whichever is greater (with additional signal 
	applied >-20 dBfs)
Spurious signals: <-110 dBfs, using internal clock (includes alias products)




Clock
ADC clock sources: internal, external BNC input compatible with TTL, ECL, and >-6 dBm sinewaves
ADC clock accuracy: ±70 Hz (Internal 10 MHz; 0°C to 40°C)




Trigger
Sources: external TTL with ±slope select, ADC output, signal magnitude, software initiated, 
	immediate
Trigger delay: -1,048,575 to 8,388,607 samples




Filtering
Anti-alias filter: 4 MHz
Filtering and decimation: 25 baseband spans, octave steps
Zoom: digital LO tunes the center frequency of any filter span with better than 10 µHz 
	resolution




Programming
Output data formats: 16-bit and 32-bit real, 16-bit and 32-bit complex
Data output modes: VME data transfers, high-speed Local Bus
Measurement modes: block and continuous
Read registers: mfr./model, logical address, status bits, measurement loop status
Data interrupt: two independent priority interrupts initiated by masked status bits
Memory: 8 MB (4 MSa, 16 bits), FIFO




Backplane Connector Shielding
To ensure compliance with RFI levelsspecified in standards EN55001 and
CISPR11, this product requires the backplane connector shields installed
in an HP VXI C-size mainframe.  Option 918 is available with the
purchase of a new mainframe; accessories, HP P/Ns E1400-80920 and
E1421-80920 (one kit per mainframe), are available for retrofitting
existing HP mainframes HP E1401A/B and HP E1421A, respectively.

[ Ordering ]

HP E1430A	VXI 10 MSa/s 23 bit Digitizer with DSP and Local Bus
   Opt 0B0	Delete manual set
   Opt 0B1	Add manual set
   Opt AYD	10.24 MHz time base
   Opt W01	3-yr. return to HP to 1-yr. on-site warranty

   E1400-80920	Shield, backplane connector
   E1421-80920	Shield, backplane connector kit

[ Key Literature ]