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UHF-DIG 디지타이저

  • 개요
  • 기능 다이어그램
  • 사양

락-인 앰플리파이어와 디지타이저를 하나의 본체에 결합함으로써, 연속 스트리밍, 뛰어난 트리거, 2개의 스코프 채널마다 분할된 128 MSa의 메모리를 활용하여, 폭넓은 범위에서 새로운 측정의 기회를 얻을 수 있습니다.

UHF-DIG 주요 특징

  • Two signal inputs, 12-bit, 1.8 GSa/s
  • 128 MSa memory per channel
  • Dual-trace oscilloscope with FFT
  • Segmented memory for up to 32'768 scope shots
  • Fast continuous data streaming
  • Hardware trigger engine with additional trigger inputs and outputs
  • Full LabOne® integration on user interface and on API level
  • Additional channels: Boxcar, Demodulators, Arithmetic Unit and PID data

UHF-DIG 업그레이드 및 호환성

  • Option upgradeable in the field
  • Compatible with all other UHF options

UHF-DIG 기능 다이어그램

High-resolution Sampling

The UHF-DIG Digitizer is an option for the UHFLI Lock-in Amplifier that extends the capability of the standard oscilloscope with digitizer features.

With 12-bit physical resolution and 1.8 GSa/s sampling rate, the UHF-DIG is comparable to commercial dual-channel high-resolution standalone digitizers. The response of the analog input is flat at 600 MHz, hence it can sample inside the Nyquist zone at even higher frequency. Simultaneous visualization of the time domain (digitizer) and the frequency domain (lock-in) traces in the same window, high-speed data transfer to the computer and LabOne user interface integration are part of the state of the art usability features.

Oscilloscope Comparison

Signal inputs 2 2
Scope sample rate 12-bit, 1.8 GSa/s 12-bit, 1.8 GSa/s
Scope sample memory 65 kSa 128 MSa
Dual-trace no yes
Segmented memory no up to 32'768 shots
Continuous acquisition no yes
High-resolution FFT no yes

Benefit from the Speed

A high performance segmented memory manager supports the acquisition of up to 32'768 single shots per second. A small dead time between acquisition and the readiness for the next trigger reduces the likelihood of missing infrequent events. The UHF-DIG provides enough headroom to capture sufficient waveforms for many applications, with its configurable memory depth up to 128 MSa per channel.

Whereas connection of most commercial oscilloscopes to a host computer is often cumbersome, the UHF-DIG is readily integrated inside LabOne running on a web browser, hence it is takes no more than a few mouse clicks to store the captured waveforms to hard disk.

The sample transfer rate of 7 MSa/s to the host computer enables smooth transfer of a large numbers of shots or longtime continuous digitizing at a reduced sample rate.

Benefit from the Performance

A high performance analog front end allows switching between two different input impedances, AC/DC coupling and, most important of all, between one of 32 input ranges permitting a fine adjustment versus the signal of interest. The input range amplifier together with integrated shot averaging outperforms most digitizer cards which, furthermore, need to cope with heavy digital noise coming from the computer.

The result of an FFT calculated over 128 million samples results in a high-resolution spectrum up to a bandwidth of 900 MHz. The practical resolution can therefore be lower than 1 Hz for an appropriate sampling rate and depth, when calculated on an adequate computer. For higher resolutions one can use the LabOne Spectrum Analyzer tool.

Benefit from the Flexibility

The biggest advantage of combining a lock-in amplifier and a digitizer in one box comes from the mutual operation, triggering and synchronization. Users can observe events in the raw samples (oscilloscope) and define a condition according to which demodulated sample acquisition (lock-in amplifier) is started. Inversely users can define conditions on specific complex demodulated sample condition and trigger an acquisition on the digitizer.

All this is integrated within the LabOne user interface, the unique test and measurement interface combining time-domain and frequency-domain analysis tools. This sets a new standard in the digitizer market by providing sophisticated data analysis software.


Digitizer operation modes
shot/triggered operation yes, 1.8 GSa/s per channel
continuous operation yes, 7 MSa/s transfer to user interface
dual signal acquisition yes, simultaneous @ 1.8 GSa/s
input signals Input 1, Input 2, Boxcar 1-2, Aux Input 1-2, Aux Output 1-4, Ref/Trigger 1-2, Demodulators, Arithmetic Unit and PID signals
maximum number of shots up to 32,768
Sample transfer to computer
shot/triggered operation 14 MSa/s (USB, 1GbE)
continuous operation to user interface 7 MSa/s (USB, 1GbE)
continuous operation to API 7 MSa/s (USB)
14 MSa/s (1GbE)
Analog inputs
input impedance 50 Ω and 1 MΩ
input coupling AC/DC
input ranges 10 mV to 1.5 V in 32 steps
input flatness ±1 dB up to 600 MHz
SFDR1 56 dB (1.5 V, 50 Ω, 100.1 MHz, 1dB FS)
SNR2 48 dB (1.5 V, 50 Ω, 100.1 MHz, 1dB FS)
SINAD3 47 dB (1.5 V, 50 Ω, 100.1 MHz, 1dB FS)
ENOB4 7.6 (1.5 V, 50 Ω, 100.1 MHz, 1dB FS)
trigger modes rising, falling and gated trigger
trigger sources channel, external, oscillator, arithmetic, manual
trigger signals Input 1, Input 2, Aux Input 1-2, Aux Output 1-4, Ref/Trigger 1-2
trigger delay (pre-trigger) adjustable to 100% of shot length
trigger delay (post-trigger) adjustable up to 120 s
trigger configuration level and hysteresis
trigger output sources scope armed, scope active, trigger active
trigger outputs Ref/Trigger 1-2; Trigger Out 3-4 (TTL)
software trigger scope trigger starts acquisition of demod samples
External triggers Ref/Trigger
trigger impedance 50 Ω and 1 kΩ
trigger coupling DC
trigger input fullscale range (FS) ±2.5 V (50 Ω), and 5 V (1 kΩ)
trigger input amplitude > 10% FS
trigger output amplitude 3.3 V TTL
Recommended computer configuration
Processor Intel Xeon E5-1xxx, Quad core, >3.6 GHz
Memory (RAM) 32 GB
Storage SSD HD or SSD RAID

1 spurious free dynamic range in digitizer mode, no signal processing
2 signal to noise ratio in digitizer mode, no signal processing
3 signal to noise and distortions ratio in digitizer mode, no signal processing
4 effective number of bits in digitizer mode, no signal processing

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사업자등록번호 : 220-86-72761대표이사 : 신동만대표전화 : 070-7872-0701팩스 : 02-2167-3801
(우)07299 서울특별시 영등포구 경인로 775 (문래동 3가, 에이스하이테크시티 3동 2층)