MODELS WX1281/2C
1.25GS/s Single/Dual Channel Arbitrary Waveform Generators
• Single / Dual Channel 1.25GS/s,14-Bit waveform generator,
configurable as separate or synchronized channels
• Inter-channel control from -3ns to +3ns with 10ps resolution
• 500MHz sine and 350MHz square waves
• 16M waveform memory, 32M memory optional
• 3 selectable output paths:
——2Vp-p into 50Ω with 500MHz bandwidth, Differential DC output
—— 4Vp-p into 50Ω with 350MHz bandwidth, Differential DC output
—— -20 to +10 dBm into 50Ω with >500MHz bandwidth, RF AC output
• AM, FM, FSK, PSK, ASK, Amp. Hop, Freq. Hop, Sweep & Chirp
• Powerful pulse composer for analog, digital and mixed signals
• 32 Bit LVDS Parallel / Separate Outputs (Option D)
• Smart trigger allows: trigger hold-off, detect <=> pulse width, as
well as wait-for-waveform-end or abort waveform and restart
• Advanced sequencer for step, loop, nest and jumps scenarios
• Two differential markers per channel with programmable positions,
width and levels
• Two instrument synchronization to form a four-channel system
• User friendly 4” color LCD display
• Remote control through LAN, USB and GPIB
• Store/recall capability on memory stick or 4GB internal memory
• LXI Class C compliant
Specification
CONFIGURATION
Output Channels
1/2, Synchronized/fully separated
STANDARD WAVEFORMS
Type:
Sine, triangle, square, ramp, pulse, sin(x)/x, exponential rise, exponential decay, gaussian, noise and DC.
Frequency Range:
Sine
1µHz to 500MHz
Square, Pulse
1µHz to 350MHz
All others
1µHz to 125MHz
SINE
Start Phase:
0 to 360°
Phase Resolution:
0.01°
Harmonics Distortion (typ.):
1VppDC
3VppHV
0dBmAC
5MHz to 200MHz
<-44dBc
<-40dBc
<-40dBc
200MHz to 325MHz
<-50dBc(1)
<-50dBc(1)
<-50dBc
325MHz to 425MHz
<-60dBc(1)
<-60dBc(1)
<-70dBc
425MHz to 500MHz
<-70dBc(1
)<-70dBc(1)
<-70dBc
(1) Measured with 500MHz lowpass fiter
Non-Harmonics Distortion (typ.):
1MHz to 100MHz
<-80dBc
100MHz to 250MHz
<-75dBc
250MHz to 500MHz
<-70dBc
SSB Phase Noise (10kHz offset):
1MHz Carrier
<-120dBc/Hz
10MHz Carrier
<-118dBc/Hz
100MHz Carrier
<-115dBc/Hz
250MHz Carrier
<-108dBc/Hz
500MHz Carrier
<-100dBc/Hz
Flatness (AC Path):
Cross Range
±0.5dB (typ.)
PULSE
Pulse Mode:
Single or double, programmable
Polarity:
Normal, inverted or complement
Period:
4ns to 1.6s
Resolution:
1ns
Pulse Width:
2ns to 1.6s
Rise/Fall Time:
Fast
DC Path
700ps (typical < 600ps)
HV Path
1ns (typical < 900ps)
Linear
2ns to 1.6s
Delay:
2ns to 1.6s
Double Pulse Delay:
2ns to 1.6s
Amplitude:
Range
DC Path
50mVp-p to 2Vp-p into 50Ω
HV Path
100mVp-p to 4Vp-p into 50Ω
Levels
Low Level
-2V to +1.95V
High Level
-1.95V to +2V
NOTES:
1. All pulse parameters, except rise and fall times, may be freely programmed within the selected pulse period provided that the ratio between the period and the smallest incremental unit does not exceed the ratio of 16,000,000 to 1.
2. Rise and fall times, may be freely programmed provided that the ratio between the rise/fall time and the smallest incremental unit does not exceed the ratio of 1,000,000 to 1.
3. The sum of all pulse parameters must not exceed the pulse period setting.
PULSE / PATTERN COMPOSER
MULTI-LEVEL / LINEAR-POINTS
Number of Levels:
1 to 1000
Transition type:
Fast or Linear
Dwell Time:
1ns to 1s
Memory:
100k
Amp. Resolution:
4 digits
Time Resolution:
1ns to 100ns (auto or user)
PATTERN
Pattern Source:
PRBS or user-defined PRBS Type: PRBS7, PRBS9, PRBS11, PRBS15, PRBS23, PRBS31, USER
Data Rate:
1Bit/s to 250MBit/s
Number of Levels:
2, 3, 4, 5
High/Low Levels:
±2V
Resolution:
4 digits
Loops:
1 to 1e6
Preamble:
1 to 16e6
Length:
2 to 16e6
ARBITRARY WAVEFORMS
Sample Rate:
10MS/s to 1.25GS/s
Vertical Resolution:
14 bits
Waveform Memory:
16M points standard, 32M points optional
Min. Segment Size:
192 points
Resolution:
16 points
No. of Segments:
1 to 32k
Waveform Granularity:
1 point
Dynamic control:
Software command or rear panel segment control port
Jump Timing:
Coherent or asynchronous
SEQUENCED WAVEFORMS
Multi Sequence:
1 to 1,000 unique scenarios
Sequencer Steps:
1 to 48k steps.
Segment Loops:
1 to 16M cycles, each segment
Sequence Loops:
1 to 1M (“Once” mode only)
Step Advance Modes:
Continuous, once (x “N”) and stepped
SEQUENCED SEQUENCES
Sequence Scenarios:
1 Scenario
Dynamic Control:
Software command or rear panel sequence control port
Table Length:
1 to 1k steps
Advance Control:
Continuous, once and stepped
Sequence Loops:
1 to 1,000,000 cycles
MODULATION
COMMON CHARACTERISTICS
Carrier Waveform:
Sine, square, triangle
Carrier Frequency:
10kHz to 500MHz
Modulation Source:
Internal
FM
Modulation Shape:
Sine, square, triangle, ramp
Modulation Freq.:
100Hz to 50MHz
Deviation Range:
10mHz to 250MHz
FSK / FREQUENCY HOPPING
FSK Baud Rate:
10mbps to 250Mbps
Hop Table Size:
2 to 256
Hop Type:
Fast or Linear
Dwell Time Mode:
Fixed or programmable per step
Dwell Time:
4ns to 10s
Dwell Time Res.:
4ns
SWEEP / CHIRP
Sweep Type:
Linear or log
Sweep Direction:
Up or down
Sweep Time:
1.4 µs to 10ms
Modulation Shape:
Pulse
Pulse Repetition:
Range
200ns to 20s
Resolution
3 digits
Accuracy
100ppm
AM
Modulation Shape:
Sine, square, triangle, ramp
Modulation Freq.:
100Hz to 1MHz
Modulation Depth:
0.1 to 200%
ASK / AMPLITUDE HOPPING
ASK Baud Rate:
10mbps to 250Mbps
Hop Table Size:
2 to 256
Hop Type:
Fast or Linear
Dwell Time Mode:
Fixed or programmable per step
Dwell Time:
4ns to 10s
Resolution
4ns
(n)PSK and (n)QAM
Modulation Type:
PSK, BPSK, QPSK, OQPSK, PI/4 DQPSK, 8PSK, 16PSK, 16QAM, 64QAM, 256QAM and User Defined
Symbol Rate Range:
10mbps to 250Mbps
Symbol Accuracy:
1ppm
Table Size:
2 to 256
COMMON CHARACTERISTICS
FREQUENCY
Resolution:
12 digits
Accuracy/Stability:
Same as reference
ACCURACY REFERENCE CLOCK
Internal
1 ppm from 19°C to 29°C; 1ppm/°C below 19°C or above 29°C; 1 ppm/year aging rate
External
Same as accuracy and stability of the external ref.
OUTPUTS
MAIN OUTPUTS
Coupling:
DC-coupled, or AC-coupled
Connectors:
Front panel SMAs
Impedance:
50Ω nominal, each output
Protection:
Protected against temporary short to case ground
DC-COUPLED
Type:
Single-ended or differential
Resolution:
4 digits
Accuracy:
±(2% +2 mV), offset = 0V
Overshoot:
5%, typical
DC PATH
Rise/Fall Time:
<700ps (typical <600ps)
Amplitude Range:
Single-ended
50mVp-p to 2Vp-p*
Differential
100mVp-p to 4Vp-p*
HV PATH
Rise/Fall Time:
1ns (typical < 900ps)
Amplitude Range:
Single-ended
50mVp-p to 4Vp-p*
Differential
100mVp-p to 8Vp-p*
* Double into high impedance
OFFSET
Offset Range:
-1.5V to + 1.5V into 50Ω
Offset Resolution:
4 digits
Offset Accuracy:
±2% + 15mV
RF, AC-COUPLED
Type:
Single-ended
Amplitude Range:
-20dBm to +10dBm into 50Ω,
Resolution:
4 digits
Accuracy:
±(3% +0.5dBm)
Bandwidth:
500MHz
MARKER OUTPUTS
Number of Markers:
Two markers per channel
Type:
Differential (+) and (-) outputs
Connectors:
SMB
Skew Between
Markers:
100ps, typical
Impedance:
50Ω
Amplitude Voltage:
Window
0V to 1.25V, single-ended; 0V to 2.5V, differential
Low level
0V to 0.8V, single-ended; 0V to 1.6V, differential
High level
0.5 V to 1.25V, single-ended; 0V to 2.5V, differential
Resolution:
10mV
Accuracy:
10% of setting
Width control:
2 SCLK to segment length
Position control:
Range
0 to segment length
Resolution
2 points
Initial delay:
4ns±½ clock (Output to marker)
Variable delay:
Control
Separate for each channel
Range
0 to 3ns
Resolution
10ps
Accuracy
±(10% of setting +20ps)
Rise/Fall Time:
<1ns, typical
DIGITAL OUTPUTS (OPTION D)
Number of Bits:
32 output channels
Type:
Differential (+) and (-) outputs
Connectors:
High speed I/O receptacle, 68-pin VRDPC
Skew Between Bits:
100ps, typical
Level:
LVDS
Impedance:
100Ω
Max. Data Rate:
625Mb/s
Pattern Memory:
Up to 16MWord
Source
Dedicated or parallel
SYNC OUTPUT
Connector:
Front panel SMA
Source:
Channel 1 or channel 2
Type:
Single ended
Waveform Type:
Pulse
16 points width
WCOM
Waveform complete
Impedance:
50Ω
Amplitude:
1V; doubles into high impedance
Variable Position Control:
Range
0 to segment length
Resolution
16 points
INPUTS
TRIGGER INPUT
Connector:
Front panel SMA
Input Impedance:
1kΩ or 50Ω, selectable
Polarity:
Positive, negative, or both
Damage Level:
±20Vdc
Frequency Range:
0 to 15MHz
Trigger Level Control:
Range
-5V to 5V into 50Ω;
-10V to 10V into 1kΩ
Resolution
12 bit (2.5mV)
Accuracy
±(5% of setting + 2.5mV)
Sensitivity
0.2Vp-p
Min. Pulse Width:
10 ns
EVENT INPUT
Connector:
Rear panel BNC
Input Impedance:
10kΩ or 2.2kΩ, pull up to +5V
Polarity:
Positive, negative or either
Damage Level:
±20Vdc
Frequency Range:
0 to 15MHz
Trigger Level Control:
Range
-5V to 5V
Resolution
12 bit (2.5mV)
Accuracy
±(5% of setting + 2.5mV)
Sensitivity
0.2 Vp-p minimum
Min. Pulse Width:
10 ns
SEQUENCE/SEGMENT CONTROL INPUT
Connectors:
Rear panel D-sub, 8 bit lines
Input Impedance:
10kΩ
Input Level:
TTL
EXTERNAL REFERENCE INPUT
Connector:
Rear panel BNC
Input Frequency:
10 MHz to 100 MHz, programmable
Input Impedance:
50Ω
Voltage Swing:
-5dBm to 5dBm
Damage Level:
10dBm
EXTERNAL SAMPLE CLOCK INPUT
Connector:
Rear panel SMA
Input Impedance:
50Ω
Voltage Swing:
0dBm to 10dBm
Input Frequency:
10MHz to 1.25GHz
Clock Divider:
1/1, 1/2, 1/4, 1/256, separate for each channel
Damage Level:
15dBm
Input Voltage Range:
AC
0.25Vp-p to 1Vp-p
DC
±10V max.
更多资料请联系我们
商品属性 [频率] 1µHz to 500MHz [通道数] 2