Atec Picotest G5100A User manual

Product Information – Picotest G5100A Arbitrary Waveform Generator
The G5100A LXI Class C compatible 50MHz Function / Arbitrary Waveform Generator uses
DDS (Direct Digital Synthesis) Technology. Compared with the competition, the G5100A
offers higher frequency performance, faster rise and fall times, larger memory (256Kx14 bit) a
16 bit digital pattern generator, standard 10MHz synchronization and better stability. Like all
Picotest products, it’s backed by our 3 year warranty and 30 day refund policy.
KEY FEATURES:
• 14 bit, 125 MSa/s, 256K-point Arbitrary Waveform
• 50 MHz Sine, 25 MHz Square & 10MHz Arbitrary Waveforms
• Pulse, Ramp, Triangle, Noise & DC waveforms
• Linear & Log Sweeps as well as Burst modes
• AM, FM, PM (PSK), FSK and PWM Modulation
• Remote control via USB, LAN and GPIB
• Graph mode for visual verification of settings
• 16-bit Data pattern out and synchronized clock
• 10MHz synchronization input/output is included FREE
• Free Wavepatt application software®
Detailed Specifications – Picotest G5100A Arbitrary Waveform Generator
The new Picotest G5100A Waveform Generator uses direct digital synthesis (DDS) techniques to
create a stable, accurate output signal for clean, low distortion sine waves. The G5100A offers
10 standard waveforms and user defined arbitrary waveforms with 14 bits resolution. It also
provides you 16 bits pattern out and a synchronized clock. Moreover, the external frequency
reference lets you synchronize to an external 10 MHz clock. The G5100A has intuitive panel
operation; the menu is structured and convenient. All shortcut keys are fast and easy to access.
The G5100A provides you the flexibility to create the waveforms you need. Also you can store
up to 4 waveforms (4 x 256K points) in nonvolatile memory.
Key Features and Specifications
1. Controls use optically coupled knobs
2. Standard Waveforms: Sine, Square, Ramp, Pulse, Noise, DC
3. Built-in Arbitrary: exponential rise/fall, Neg. Ramp, Sin (x)/x, Cardiac
4. Sine Frequency Range: 1µHz to 50MHz
5. Square Frequency Range: 1µHz to 25MHz
6. Ramp Triangle Frequency Range: 1µHz to 200kHz
7. Pulse Frequency Range: 500µ to 10MHz
8. Pulse Width (period <10s): 20ns minimum, 10ns resolution
9. Noise Bandwidth: 20MHz typical
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10. Arbitrary Frequency range: 1µHz to 10MHz
11. Waveform Length: 256K points max.
12. Vertical Resolution: 14 bits (including sign)
13. Sample Rate: 125 MS/s
14. Interface: USB, LAN and GPIB
Easy-To-Use Functions
•Internal modulations of AM, FM, PM (PSK), FSK & PWM for waveform adjustment.
•Built-in linear and logarithmic sweeps from 1ms to 500 s.
•The burst mode has a selectable number of cycles per period of time.
•Using remote control via USB, LAN and GPIB interface.
•The programmability by SCPI commands under the remote control connection.
•Precise phase adjustments and calibrations can be done from the front panel or via a PC.
User Friendly Operation
The front-panel operation of G5100A is simple and user friendly. Users can enter all functions
with a single key or two, and use knob or numeric keypad to adjust frequency, amplitude, offset
and other parameters. Otherwise, users can also directly input voltage values in Vpp, Vrms,
dBm or high & low levels. Timing parameters can be entered in Hertz (Hz) or second.
Users can easily use the following functions.
Functions and Waveforms
The Picotest G5100A 50 MHz Function / Arbitrary Waveform Generator can create stable,
precise, clean and low distortion sine waves by using DDS (Direct Digital Synthesis) Technology.
With fast rise and fall times up to 25 MHz for square waves and 200 KHz for linear ramp waves,
the G5100A also can reach users demand on waveforms. It can also generate variable-edge-
time pulses up to 10 MHz. With variable period, pulse width and amplitude the G5100A is
perfectly suited to applications requiring a flexible pulse signal.
Pulse Generation
If a unique Waveform is needed, the G5100-A can generate variable-edge-time pulses up to 10
MHz. With variable period, pulse width and amplitude the G5100A is perfectly suited to
applications requiring a flexible pulse signal.

Custom Waveform Generation
The G5100A can generate complex custom waveforms. With 14-bit resolution and a 125 MSa/s
sampling rate, the G5100A gives users the flexibility to create waveforms. It also allows users to
store up to 5 waveforms, 4 (4 x 256k Points) in nonvolatile memory and 1 in volatile memory.
The G5100A’s Waveform Editor Software allows users to create, edit and download complex
waveform. In addition, by using the software, users can retrieve waveforms from Agilent MSO
8104 oscilloscope.
Support External Freq. Synchronization
The G5100A’s external frequency reference allows users to synchronize an external 10MHz
clock to another G5100A, or to any other unit which can support 10MHz frequency-input
function.
Data Transmission via Pattern Out
The WavePatt software adheres to the waveform editor. It allows users to create and store 16-
bit data in the G5100A’s nonvolatile or volatile memory. Then, according to application
purposes, users can transmit data via Pattern Out, located in the rear panel.

Specifications
Display
Graph mode for visual verification of signal settings
Capability
Standard
waveforms
Sine, Square, Ramp, Triangle, Pulse, Noise, DC
Built-in Arbitrary
Exponential Rise and Fall, Negative Ramp, Sin(x)/x,
Cardiac
Waveform Characteristics
Sine
Frequency
1 µHz to 50 MHz
Amplitude
Flatness1,2
(Relative to 1
KHz)
0.1dB(<100 KHz)
0.15dB(<5 MHz)
0.3dB(<20 MHz)
0.5dB(<50 MHz)
Harmonic
Distortion2,3
(unit: dBc)
DC to 20 KHz
-70 (< 1Vpp) -70 (≥ 1Vpp)
20 KHz to 100 KHz
-65 (< 1Vpp) -60 (≥ 1Vpp)
100 KHz to 1 MHz
-50 (< 1Vpp) -45 (≥ 1Vpp)
1 MHz to 20 MHz
-40 (< 1Vpp) -35(≥ 1Vpp)
20 MHz to 50 MHz
-35 (< 1Vpp) -30(≥ 1Vpp)
Total Harmonic
Distortion
2,3
DC to 20 KHz, Output ≥ 0.5
Vpp
THD+N ≤ 0.06%
Spurious2,4
(non-harmonic)
DC to 1 MHz
-70 dBc
1 MHz to 50 MHz
-70 dBc + 6 dB/Octave
Phase Noise
(10K Offset)
-115/dBC/Hz, Typical
When F ≥ 1 MHz, V ≥ 0.1
Vpp
Square
Frequency
1 µHz to 25 MHz
Rise/Fall Time
< 10ns
Overshoot
< 2%
Variable Duty
Cycle
20% to 80% (to 10 MHz)
40% to 60% (to 25 MHz)
Asymmetry
1% of period + 5ns (@ 50% duty)

Jitter (RMS) 200 ps
When F ≥ 1MHz, V ≥ 0.1
Vpp
Ramp,
Triangle
Frequency
1 µHz to 200 KHz
Linearity
< 0.1% of peak output
Symmetry
0.0% ~ 100.0%
Pulse
Frequency
500 µHz to 10 MHz
Pulse width
20 ns minimum
10 ns res. (period ≤10s)
Variable Edge
Time
< 10 ns to 100 ns
Overshoot
< 2%
Jitter (RMS)
200 ps
When F ≥ 50 KHz, V ≥ 0.1 Vpp
Noise
Bandwidth
20 MHz Typical
Arbitrary
Frequency
1 µHz to 10 MHz
Length
2 to 256K
Resolution
14 bits (including sign)
Sample Rate
125 MSa/s
Min
Rise/Fall Time
30ns typical
Linearity
<0.1% of peak output
Settling Time
<250ns to 0.5% of final value
Jitter (RMS)
6ns + 30ppm
Non-Volatile
Memory
4 waveforms * 256K Points
Common Characteristic
Frequency
Resolution
1uHz
Amplitude Range
10mVpp to 10Vpp in 50Ω
20mVpp to 20Vpp in Hi-Z
Accuracy1,2
(at 1KHz)
±1% of setting ± 1mVpp

Units
Vpp, Vrms, dBm
Resolution
4 digits
DC Offset
Range
(Peak AC +DC)
±5V in 50Ω
±10V in Hi-Z
Accuracy1,2
±2% of offset setting
±0.5% of amplitude setting
Resolution
4 digits
Main Output
Impedance
50 Ω typical
Isolation
42 Vpk maximum to earth
Protection
short-circuit protected;
overload automatically disables main
output
Internal Frequency reference
Accuracy5
±10ppm in 90 days
±20ppm in 1 year
External
Frequency
reference
Standard
/Option Standard
External
Lock Range
10 MHz ± 500 Hz
Frequency
Input
Level
100mVpp ~5Vpp
Impedance
1KΩ typical, AC coupled
Lock Time
< 2 Sec
External
Frequency
Output
Lock Range
10 MHz
Level
632mVpp (0dBm), typical
Impedance
50Ω typical, AC coupled
Phase Offset
Range
-360º to +360º
Resolution
0.001º
Accuracy
8ns
Modulation
Modulation
Type
AM, FM, PM, FSK, PWM, Sweep and Burst
AM
Carrier
Sine, Square, Ramp, Arb

Source
Internal / external
Internal
Modulation
Sine, Square, Ramp, Triangle, Noise, Arb
Frequency
(Internal)
2mHz to 20KHz
Depth
0.0% ~ 120.0%
FM
Carrier
Sine, Square, Ramp, Arb
Source
Internal / external
Internal
Modulation
Sine, Square, Ramp, Triangle, Noise, Arb
Frequency
(Internal)
2mHz to 20KHz
Deviation
DC ~ 25MHz
PM
Carrier
Sine, Square, Ramp, Arb
Source
Internal / external
Internal
Modulation
Sine, Square, Ramp, Triangle, Noise, Arb
Frequency
(Internal)
2mHz to 20KHz
Deviation
0.0º to 360º
PWM
Carrier
Pulse
Source
Internal / external
Internal
Modulation
Sine, Square, Ramp, Triangle, Noise, Arb
Frequency
(Internal)
2mHz to 20KHz
Deviation
0% ~ 100% of pulse width
FSK
Carrier
Sine, Square, Ramp, Arb
Source
Internal / external
Internal
Modulation
50% duty cycle Square
Frequency
(Internal)
2mHz to 100KHz

External
Modulation
Input6
Voltage Range
±5V full scale
Input Resistance
8.7KΩ typical
Bandwidth
DC to 20KHz
SWEEP
Waveforms
Sine, Square, Ramp, Arb
Type
Linear or logarithmic
Direction
up or down
Sweep Time
1 ms ~ 500 Sec
Trigger
Internal , External or Manual
Marker falling edge of sync signal
(programmable frequency)
BURST7
Waveforms
Sine, Square, Ramp, Triangle, Noise, Arb
Type
Internal / external
Start/Stop Phase
-360º to +360º
Internal Period
1uS ~ 500Sec
Gated Source
External trigger
Trigger Source
Internal , External or Manual
Trigger Input
Level
TTL compatible
Slope
Rising or Falling (Selectable)
Pulse width
> 100 ns
Impedance
> 10KΩ, DC coupled
Latency
< 500 ns
Trigger
Output
Level
TTL compatible into ≥ 1 KΩ
Pulse width
> 400 ns
Output
Impedance
50 Ω typical
Maximum rate
1MHz
Fan-out
≤ 4 Picotest G5100As
Pattern Mode CHARACTERISTIC
Clock
Maximum rate
50MHz
Output
Level
TTL compatible into ≥ 2 KΩ

Output
Impedance
110 Ω typical
Pattern
Length
2 to 256 K
1Add 1/10th of output amplitude and offset spec per ºC for operation outside the range of
18 ºC to 28ºC.
2Autorange enabled.
3DC offset set to 0V.
4Spurious output at low amplitude is -75 dBm typical.
5Add 1 ppm/ ºC average for operation outside the range of 18 ºC to 28 ºC.
6FSK uses trigger input (1 MHz maximum).
7Sine and square waveforms above 10 MHz are allowed only with an “infinite” burst count.
Specifications are subject to change without notice.
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