R&S®RTB 2 Oscilloscope

Key Facts

Bandwidth: 70 MHz to 300 MHz
Sample rate: up to 2.5 Gsample/s
Memory depth: up to 20 Msample
ADC resolution: 10 bit
Display: 10.1" capacitive touchscreen

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Power of ten for every task, everyday

The R&S®RTB 2 series oscilloscopes combine the power of ten with smart operating concepts, making them the ideal all-purpose tool for students, hobbyists, technicians and engineers. As a successor to the highly capable R&S®RTB2000, the R&S®RTB 2 series features a 10-bit ADC, 10 Msample memory, and a 10.1-inch touchscreen.

Additionally, the R&S®RTB 2 series includes an integrated arbitrary waveform generator history and segmented memory capabilities. Furthermore, all RTB 2 models are MSO-ready, allowing the use of up to 16 digital channels with the appropriate probes.

These oscilloscopes offer four times the vertical resolution of standard 8-bit ADCs while maintaining fast sampling rates at all times. With the largest display and highest resolution in their class, they provide extensive capabilities for university laboratories, troubleshooting embedded designs during development, and for production and service departments.

The R&S®RTB 2 series is the perfect solution for anyone needing precise and reliable measurements.

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Caractéristiques & avantages

Signal analysis: quick results

See small signal details in the presence of large signals

The R&S®RTB 2 features a customized Rohde & Schwarz engineered 10-bit A/D converter that delivers a fourfold improvement compared to conventional 8-bit A/D converters. The increased resolution results in sharper waveforms with more signal details that would otherwise be missed. One example is the characterization of switched-mode power supplies. The voltage across the switching device must be determined during the on/off times within the same acquisition.

Capture more time at full bandwidth

10 Msample standard and 20 Msample interleaved

The R&S®RTB 2 offers a class-leading memory depth: 10 Msample per channel are available, even 20 Msample in interleaved mode. This is 10 times more than similar oscilloscopes in the same instrument class. The user captures longer acquisition sequences even at high sampling rates, e.g. when analyzing transients of switched-mode power supplies, and thus benefits from more detailed analysis results.

**10 Msample standard memory** - Capture and analyze pulsed and burst signals over a long period with up to 20 Msample standard acquisition memory.

Segmented memory

160 Msample with history function

Every R&S®RTB 2 is equipped with a standard segmented memory functionality. Protocol-based signals with communications gaps such as I²C or SPI can be captured over several seconds or minutes. The variable segment size optimally utilizes the 160 Msample memory. In history mode, previous acquisitions in the maximum segmented memory depth of 160 Msample are available for further analysis.

**160 Mpoint segmented memory** - Capture the longest time periods with class-leading 160 Msample memory.

Logic analysis with the MSO option

16 additional digital channels

Every R&S®RTB 2 is MSO ready, which allows the R&S®RTB2-B1 option to enable up to 16 additional digital channels. The oscilloscope captures and analyzes signals from analog and digital components of an embedded design – synchronously and time-correlated to each other. For example, the delay between A/D converter input and output can conveniently be determined with the cursor measurements.

**Four-bit DAC signal change.** - The R&S®RTB 2 captures and analyzes analog and digital signals synchronously and in time-correlated to each other.

Waveform and pattern generator

Generate analog and digital stimuli

The R&S®RTB-B6 waveform and pattern generator up to 50 Mbit/s is useful for educational purposes and for implementing prototype hardware. Apart from the common sine, square/pulse, ramp and noise waveforms, it outputs arbitrary waveforms and 4-bit signal patterns. Waveforms and patterns can be imported as CSV files or copied from oscilloscope waveforms. Predefined patterns including. I²C, SPI, UART and CAN/LIN can be used.

Digital voltmeter

Measure and display electrical potential

The R&S®RTB 2 features a 3-digit voltmeter (DVM) and 6-digit frequency counter on each channel for simultaneous measurements. Standard measurement functions include DC, AC+DC (RMS) and AC (RMS).

**Digital voltmeter** - The 3-digit voltmeter measures and displays the electrical potential difference between two points in an electric circuit.

Frequency analysis mode

Difficult-to-find faults often result from the interaction between time and frequency signals. The FFT function of the R&S®RTB 2 is activated at the push of a button and by simply entering the center frequency and span. Thanks to the R&S®RTB 2 oscilloscopes’ high-performance FFT functionality, signals can be analyzed with up to 128 kpoints. Other practical tools include cursor measurements and autoset in frequency domain.

Mask test mode

Mask tests quickly reveal whether a specific signal lies within defined tolerance limits. By using statistical pass/fail evaluation, they assess quality and stability of a DUT. Signal anomalies and unexpected results are quickly identified. When the mask is violated, the measurement stops. Each violation can generate a pulse output at the AUX-OUT connector on the R&S®RTB 2. This pulse output can be used to trigger actions in the measurement setup.

**Mask test with result statistics** - The pass/fail evaluation assesses DUT quality and stability.

Ready for the teaching lab

In the teaching lab, the R&S®RTB 2 oscilloscope is the perfect choice to teach students how to measure with an oscilloscope. It has an easy-to-use concept combined with state-of-the-art technology at an affordable price. The large 10.1" high-resolution screen shows every signal detail, and one instrument can be shared among several students. Reports can be efficiently created with the handy, flexible screen annotation tool.

Available models

Specifications

Vertical system
Analog channels	R&S®RTB 22; R&S®RTB 24	2; 4
Digital channels (opt.)		16
Bandwidth (-3 dB)	R&S®RTB 22/24 (with R&S®RTB-B2x1, R&S®RTB-B2x2 and R&S®RTB-B2x3 options)	70 MHz, 100 MHz, 200 MHz, 300 MHz
Rise time	R&S®RTB 22/24 (with R&S®RTB-B2x1, R&S®RTB-B2x2 and R&S®RTB-B2x3 options)	5 ns, 3.5 ns, 1.75 ns, 1.15 ns
Input impedance		1 MΩ ± 2% with 9 pF ± 2 pF (meas.)
Input sensitivity	Max. bandwidth in all ranges	1 mV/div to 5 V/div
ADC resolution		10 bit, up to 16 bit with high resolution decimation
DC gain accuracy	offset and position = 0, maximum operating temperature change of ±5°C after self-alignment	input sensitivity > 5 mV/div: ± 1.5% of full scale input sensitivity ≤ 5 mV/div: ± 2% of full scale
Acquisition system
Real-time sampling rate		1.25 Gsample/s; 2.5 Gsample/s, interleaved
Acquisition memory	standard	10 Msample; 20 Msample, interleaved; 160 Msample segmented memory
Max. acquisition rate		50 000 waveforms/s (300 000 in fast segmented memory mode)
Horizontal system
Timebase range		selectable between 1 ns/div and 500 s/div
Accuracy (after delivery/calibration)		±2.5 ppm
Channel-to-channel skew		max. 800 ps (meas.)
Channel deskew		±500 ns
Trigger system
Standard trigger types		edge, width, video (PAL, NTSC, SECAM, PAL-M, SDTV 576i, HDTV 720p, HDTV 1080i, HDTV 1080p), pattern, line, serial bus
Optional trigger types		I²C, SPI, UART/RS-232/RS-422/RS-485, CAN/LIN
Trigger sensitivity	with DC, AC, LF reject	input sensitivity > 5 mV/div: < 0.8 div (meas.); 2 mV/div ≤ input sensitivity < 5 mV/div: < 1.5 div (meas.); input sensitivity < 2 mV/div: < 2 div (meas.)
	with HF reject all input sensitivities	< 1 div (meas.)
Analysis and measurement functions
Automatic measurements		32
Cursor measurements		4
Waveform mathematics		5 equations math on math (addition, subtraction, multiplication, division, square, square root, abs. value, reciprocal, inverse, common log., natural log., derivative, integral, low pass, track unipolar + bipolar on period, frequency, pulse width, duty cycle)
Mask testing
Mask definition		elementary (tolerance mask around the signal)
History and segmented memory
Number of segments		up to 13 107
Protocol trigger and decode
Supported protocols		I²C, SPI, UART/RS-232/ RS-422/RS-485, CAN, LIN
Waveform generator
Resolution		14-bit
Sample rate		250 Mpoint/s
Amplitude	high-Z; 50 Ω	20 mV to 5 V (Vpp); 10 mV to 2.5 V (V_pp)
DC offset	high-Z; 50 Ω	±2.5 V; ±1.25 V
Arbitrary	sampling rate; memory depth	max. 10 Msample/s; 16k point
Logic analyzer (MSO) functionality
Digital input channels		16
MSO memory depth		10 Msample for every channel
MSO Bandwidth		300 MHz (meas.)
MSO sampling rate		1.25 Gsample/s
MSO input impedance		100 kΩ ± 2 % \|\| ~4 pF (meas.) at probe tips
Parallel buses		up to 2
General data
Dimensions	W × H × D	390 mm × 220 mm × 152 mm (15.4 in × 8.66 in × 5.98 in)
Weight		2.5 kg (5.5 lb)
Display		10.1" WXGA TFT color display (1280 × 800 pixel)
Interfaces		USB host with MTP, USB device, LAN, powerful web server for remote display and operation
Operating system		Embedded

Available options

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R&S®RTB 2 Oscilloscope

Power of ten for every task, everyday