Acqiris High-Speed PXI Digitizers
Model DC140
Dual-channel, 8-bit, 1-2 GS/s, 1 GHz bandwidth
Model DC135
Dual-channel, 8-bit, 0.5-1 GS/s, 500 MHz bandwidth
Signal input (-F50 option)
Channels
U1061A-001: Two at 500 MS/s
U1061A-002: Two at 1 GS/s
Bandwidth (-3 dB)
-001: DC to 500 MHz
-002: DC to 1 GHz
Full scale (FS)
50 mV, 100 mV, 200 mV, 500 mV, 1 V,
2 V, and 5 V
Offset range
±2 V for 50 mV to 500 mV FS
±5 V for 1 V to 5 V FS
Bandwidth limit fi lters
700 MHz (-002 ONLY), 200 MHz,
20 MHz
Maximum input voltage
±5 V DC
Impedance
50 Ω ± 1% at DC
Coupling
DC, AC
SFDR (typ. at 1 GS/s, 50 Ω)
53 dB at 10.9 MHz
-001: 52 dB at 97.7 MHz
-002: 45 dB at 400 MHz
SNR ( 50 Ω and 1 MΩ)
> 37 dB at 50 mV FS
> 38 dB at 100 mV, 500 mV, 1 V, and
5 V FS
> 39 dB at 200 mV and 2 V FS
DC accuracy
± 2.5% FS at 50 mV FS
± 2% FS at ≥ 100 mV FS
Effective bits (at maximum dual
channel sampling rate)
50 Ω: > 6.5 at 10.7 MHz, 200 MHz BWL
1 MΩ: > 6.5 at 10.7 MHz, 200 MHz BWL
50 Ω: > 6.0 at 99.5 MHz, (with 700 MHz
BWL in -002)
50 Ω: > 5.0 at 407 MHz, (with 700 MHz
BWL in -002)
Connectors
BNC or SMA, gold plated
High-impedance input: 50 Ω/1
MΩ (-FHZ front-end option)
Channels
U1061A-001: Two at 500 MS/s
U1061A-002: Two at 1 GS/s
Bandwidth (-3 dB)
-001 50 Ω: DC to 500 MHz
-002 50 Ω: DC to 1000 MHz
1 MΩ: DC to >300 MHz (typ.)
Full scale (FS)
50 Ω: 50 mV to 5 V
1 MΩ: 50 mV to 50 V
Offset range
50 Ω: ± 2 V for 50 to 500 mV FS
50 Ω: ± 5 V for 1 to 5 V FS
1 MΩ: ± 2 V for 50 to 500 mV FS
1 MΩ: ± 20 V for 1 to 5 V FS
1 MΩ: ± 200 V for 10 to 50 V FS
Bandwidth limit fi lters
50 Ω: 700 MHz (-002 ONLY), 200 MHz,
20 MHz
1 MΩ: 20 MHz, 200 MHz at ≤ 5 V FS
1 MΩ: 20 MHz at > 5 V FS
Maximum input voltage
50 Ω: ±5 V DC
1 MΩ: ±300 V DC
Impedance
50 Ω ± 1.0 % at DC
1 MΩ ± 1.0 % at DC // 18 ± 3 pF
Coupling
DC, AC
SFDR (typ. at 1 GS/s, 50 Ω)
52 dB at 10.9 MHz
45 dB at 400 MHz
SNR ( 50 Ω and 1 MΩ)
> 37 dB at 50 mV FS
> 39 dB at other FS
DC accuracy
± 2.5% FS at 50 mV FS
± 2% FS at ≥ 100 mV FS
Effective bits (at maximum dual
channel sampling rate)
50 Ω: > 6.7 at 10.7 MHz, 200 MHz BWL
1 MΩ: > 6.5 at 10.7 MHz, 200 MHz BWL
50 Ω: > 6.4 at 99.5 MHz, (with 700 MHz
BWL in -002)
50 Ω: > 6.0 at 407 MHz, (with 700 MHz
BWL in -002)
Connectors
BNC or SMA, gold plated
Digital conversion
Sample rate
-001: 100 S/s to 1 GS/s
-002: 100 S/s to 2 GS/s
Resolution
8 bits
DNL
<0.9 LSB
INL
< ± 1% FS
Acquisition memory
-001: 64 kSamples/channel
-002: 128 kSamples/channel
Optional memory
-001: 2 MSamples/channel
-002: 16 MSamples/channel
Time base
Clock accuracy
Better than ±2 ppm
Sampling jitter
< 1 ps rms for 10 ms with internal
clock and reference
Acquisition modes
Single shot
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