PANEL  INTRODUCTION
SPECIFICATIONS
PANEL INTRODUCTION
CH1
USB
Carrier Waveforms
Modulating Waveforms
Modulating Frequency
Peak Deviation
Source
Sine, Square, Ramp
Sine, Square, Triangle, Upramp, Dnramp
2mHz ~ 20kHz (INT); DC ~ 20kHz (EXT)
DC ~ Max Frequency
Internal / External
Sine, Square, Ramp
Sine, Square, Triangle, Upramp, Dnramp
2mHz ~ 20kHz (INT); DC ~ 20kHz (EXT)
DC ~ Max Frequency
Internal / External
PM
Carrier Waveforms
Modulating Waveforms
Modulation Frequency
Phase Deviation
Source
Sine, Square, Ramp
Sine, Square, Triangle, Upramp, Dnramp
2mHz ~ 20kHz (INT); DC ~ 20kHz (EXT)
0˚ ~ 360˚
Internal / External
Sine, Square, Ramp
Sine, Square, Triangle, Upramp, Dnramp
2mHz ~ 20kHz (INT); DC ~ 20kHz (EXT)
0˚ ~ 360˚
Internal / External
FSK
Carrier Waveforms
Modulating Waveforms
Modulation Frequency
Phase Deviation
Source
Sine, Square, Ramp, Pulse
50% duty cycle square
2mHz ~ 100 kHz (INT); DC ~ 100 kHz(EXT)
1uHz ~ Max Frequency
Internal / External
Sine, Square, Ramp, Pulse
50% duty cycle square
2mHz ~ 100 kHz (INT); DC ~ 100 kHz(EXT)
1uHz ~ Max Frequency
Internal / External
SUM
Carrier Waveforms
Modulating Waveforms
Modulation Frequency
Phase Deviation
Source
Sine, Square, Ramp, Pulse, Noise
Sine, Square, Triangle, Upramp, Dnramp
2mHz ~ 20kHz (INt); DC ~ 20kHz (EXT)
0% ~ 100.0%
Internal / External
Sine, Square, Ramp, Pulse, Noise
Sine, Square, Triangle, Upramp, Dnramp
2mHz ~ 20kHz (INT); DC ~ 20kHz (EXT)
0% ~ 100.0%
Internal / External
SWEEP
Waveforms
Type
Start/Stop Freq
Sweep Time
Source
Sine, Square, Ramp
Linear or Logarithmic
1mHz to Max Frequency
1ms ~ 500s
Internal / External/Manual
Sine, Square, Ramp
Linear or Logarithmic
1mHz to Max Frequency
1ms ~ 500s
Internal / External/Manual
BURST
Waveforms
Frequency
Burst Count
Start/Stop Phase
Internal Period
Gate Source
Trigger Source
N-Cycle, Infinite
Sine, Square, Ramp
1mHz ~ 25MHz
1 ~ 65535 cycles or Infinite
-360 ~ +360
1ms ~ 500s
External Trigger
Single, External or Internal Rate
0s ~ 655350ns
Sine, Square, Ramp
1mHz ~ 25MHz
1 ~ 65535 cycles or Infinite
-360 ~ +360
1ms ~ 500s
External Trigger
Single, External or Internal Rate
0s ~ 655350ns
FREQUENCY COUNTER
Range
Accuracy
Time Base
Resolution
Input Impedance
Sensitivity
5Hz ~ 150MHz
Time Base accuracy±1count
±20ppm (23˚C ± 5˚C) after 30 minutes warm up
The maximum resolution is : 100nHz for 1Hz, 0.1Hz for 100MHz
1k W/1pf
35mVrms ~ 30Vms (5Hz ~ 150MHz)
DUAL CHANNEL FUNCTION
Phase
Tracking
Coupling
DSOlink
-180˚ ~ 180˚, Synchronize phase
CH2=CH1
Frequency(Ratio or Difference)Amplitude & DC Offset
EXTERNAL TRIGGER INPUT
Type
Input Level
Slope
Pulse Width
Input Impedance
For FSK, Burst, Sweep
TTL Compatibility
Rising or Falling(Selectable)
>100ns
10kW , DC coupled
EXTERNAL MODULATION INPUT
Type
Voltage Range
Input Impedance
Frequency
For AM, FM, PM, SUM
±5V full scale
10k W
DC ~ 20kHz
TRIGGER OUTPUT
Type
Level
Pulse Width
Maximum Rate
Fan-out
Impedance
For Burst, Sweep, Arb
TTL Compatible into 50 W
>450ns
1MHz
≥4 TTL Load
50 W Typical
Save/RECALL
INTERFACE
DISPLAY
POWER SOURCE
POWER CONSUMPTION
OPERATING ENVIRONMENT
10 Groups of Setting Memories
USB(Host & Device)
3.5" TFT LCD
AC100~240V , 50~60Hz
25W (Max.)
Temperature to satisfy the specification: 18~28°C; Operating temperature: 0~40°C; Relative Humidity: ≤80%, 0~40°C; ≤70%, 35~40°C;
Installation category: CAT Ⅱ
2000 meters
-10~70°C, Humidity: ≤70%
266(W)×107(H)×293(D) mm ; Approx. 2.5 kg
USB
Host
Device
5
3
2
4
6
8
10
7
1. LCD Display
1
2. Function Keys, Return Key
9
3. Scroll Wheel
4. Arrow Keys
5. Output Terminals
6. Channel Select Key
7. Power Switch
8. Output key
12
9. Operation Keys
10. Number Pad
13
11
11. Power Socket Input
12. Fan
15
16
13. Input Terminals
14
14. Trigger Output
15. USB Host Port
16. USB Device Port
SPECIFICATIONS
CH1
ARITRARY FUNCTION
FREQUENCY CHARACTERISTICS
Sample Rate
Repetition Rate
Waveform Length
Amplitude Resolution
Non-Volatile Memory
120MSa/s
60MHz
4k point
10 bit
4k points
Range
1mHz ~ 25MHz
1MHz
1 m Hz
±20ppm
±1ppm, per 1 year
≤1mHz
Resolution
Accuracy
OUTPUT CHARACTERISTICS
Amplitude
Sine/Square
Ramp
Stability
Aging
Tolerance
Range
Accuracy
Resolution
Flatness
Offset
Waveform Output
SINE WAVE CHARACTERISTICS
SQUARE WAVE CHARACTERISTICS
CH2
Sine, Square, Ramp, Pulse, Noise, ARB
WAVEFORMS
Units
Range
Accuracy
Impedance
Protection
Harmonic Distortion
1mVpp~10Vpp(into 50Ω), 2mVpp~20Vpp(open-circuit)
1mVpp~5Vpp(into 50Ω)for 20MHz~25MHz; 2mVpp~10 pp(open-circuit)for 20MHz~25MHz
±2% of setting ±1mVpp(at 1kHz)
1mV or 3digits
±1% (0.1dB) ≤100kHz, ±3% (0.3 dB) ≤5MHz, ±5% (0.4 dB) ≤12MHz, ±10%(0.9dB)≤25MHz
(sine wave relative to 1kHz)
Vpp, Vrms, dBm
±5Vpk ac+dc(into 50Ω); ±10Vpk ac+dc(open circuit); ±2.5Vpk ac+dc(into 50Ω) for 20MHz~25MHz
±5Vpk ac+dc(open circuit) for 20MHz~25MHz
2% of setting + 5mV+ 0.5% of amplitude
50Ω typical (fixed); >10MΩ (output disabled)
Short-circuit protected ; Overload relay auto matically disables main output
≤-55 dBc, DC ~ 200kHz, Ampl > 0.1Vpp; ≤-50 dBc, 200kHz ~ 1MHz, Ampl > 0.1Vpp
≤-35 dBc, 1MHz ~ 5MHz, Ampl > 0.1Vpp; ≤-30 dBc, 5MHz ~ 25MHz, Ampl > 0.1Vpp
Rise/Fall Time
Overshoot
Asymmetry
Variable Duty Cycle
25ns at maximum output (into 50Ω load)
5%
1% of period + 5 ns
1.0%~99% 100kHz ; 10.0%~90.0% 1MHz ; 50.0% 25MHz
RAMP CHARACTERISTICS
Linearity
Variable Symmetry
< 0.1% of peak output
0%~100%(0.1% Resolution)
PULSE CHARACTERISTICS
Period
Pulse Width
Overshoot
Jitter
40ns ~ 2000s
20ns ~ 1999.9s
<5%
20ppm + 5ns
Carrier Waveforms
Modulating Waveforms
Modulating Frequency
Depth
Source
Sine, Square, Ramp, Pulse, Arb
Sine, Square, Triangle, Upramp, Dnramp
2mHz ~ 20kHz (INT); DC ~ 20kHz (EXT)
0% ~ 120.0%
Internal / External
AM MODULATION
Sine, Square, Ramp, Pulse, Arb
Sine, Square, Triangle, Upramp, Dnramp
2mHz ~ 20kHz (INT); DC ~ 20kHz (EXT)
0% ~ 120.0%
Internal / External
CH2
FM MODULATION
OPERATING ALTITUDE
STORAGE TEMPERATURE
DIMENSIONS & WEIGHT
* The specifications apply when the function generator is powered on for at least 30 minutes under +18°C~+28°C.
Specifications subject to change without notice.
ORDERING INFORMATION
OPTIONAL ASSESSORIES
AFG-2225
GTL-110
GTL-246
25MHz True Dual Channel Arbitrary Function Generator
-180˚ ~ 180˚, Synchronize phase
CH1=CH2
Frequency(Ratio or Difference)Amplitude & DC Offset
FG-2225GD1BH
BNC(M)-BNC(M) RF Cable
USB Cable, USB 2.0 Type A – Type B, 4P
ACCESSORIES
FREE DOWNLOAD
User Manual CD x 1, Quick Start Manual x 1, GTL-101 Test Lead x 2, Power Cord x 1
PC Software Arbitrary Waveform Editing Software
Global Headquarters
U.S.A. Subsidiary
GOOD WILL INSTRUMENT CO., LTD.
INSTEK AMERICA CORP.
No.7-1, Jhongsing Road, Tucheng Dist., New Taipei City 236, Taiwan
T +886-2-2268-0389 F +886-2-2268-0639
3661 Walnut Avenue Chino, CA 91710, U.S.A.
T +1-909-5918358 F +1-909-5912280
China Subsidiary
Japan Subsidiary
GOOD WILL INSTRUMENT (SUHZOU) CO., LTD.
INSTEK JAPAN CORPORATION
NO. 69, Lushan Road, Snd, Suzhou Jiangsu 215011 China
T +86-512-6661-7177 F +86-512-6661-7277
4F, Prosper Bldg, 1-3-3 Iwamoto-Cho Chiyoda-Ku,
Tokyo 101-0032 Japan
T +81-3-5823-5656 F +81-3-5823-5655
Malaysia Subsidiary
Korea Subsidiary
GOOD WILL INSTRUMENT (M) SDN. BHD.
GOOD WILL INSTRUMENT KOREA CO., LTD.
27, Persiaran Mahsuri 1/1, Sunway Tunas,
11900 Bayan Lepas, Penang, Malaysia
T +604-6309988 F +604-6309989
Room No.805, Ace Hightech-City B/D 1Dong,
Mullae-Dong 3Ga 55-20, Yeongduengpo-Gu, Seoul, Korea
T +82-2-3439-2205 F +82-2-3439-2207
Simply Reliable
ww w.g wi nst ek.c om
Equivalent Dual-Channel Provides Augmented Value for Customers
D.
G.
HIGH-FLEXIBILITY OF ARBITRARY WAVEFORMS EDITING
H.
66 BUILT-IN ARBITRARY WAVEFORMS
IMPEDANCE SWITCH FUNCTION
GW Instek is launching AFG-2225, its first basic level dual-channel arbitrary function generator, which provides superior features in its
class. Both channels are equipped with same characteristics to adapt dual-signal applications such as differential signaling or IQ
modulation. The outstanding cost-performance value makes the AFG-2225 a practical instrument to accelerate the development process.
The major features for both channels include 10Vpp output amplitude; 25MHz frequency bandwidth with 1 Hz resolution; built-in
waveforms of Sine, Square, Ramp (Triangle) and Noise. As to the 1%~99% adjustable duty cycle of Square waveform can be used as pulse
signal sources. For the arbitrary waveform, user can edit the 66 built-in waveforms or create a whole new one. Moreover, AFG-2225 carries
features of AM/FM/PM/FSK/SUM Modulation, Sweep, Burst and Frequency Counter, which can be applied to various communication fields.
In addition to the intuitive and friendly user interface, the 3.5-inch color LCD displays the comprehensive operation information including
the true waveform presented at the output. USB Host and Device interfaces are equipped to link the AFG-2225 with other devices, which
provide the flexibility of waveform generation for more practical usages. With link to GW Instek GDS-series Digital Storage Oscilloscopes
(DSOs), the waveforms of interest can be captured and reconstructed. User can also use the arbitrary waveform PC software to edit the
waveform and then send to AFG-2225 directly, or save the waveform into flash drive and then transfer to AFG-2225.
Direct Panel Operation
50Ω/High Z Impedance Switch Function
Supports CSV file upload
66 frequently used function waveforms in all fields are built
in arbitrary waveform memory for user’s selection. They are
categorized into four groups, Common, Math, Window and
Engineer. The trigonometric derivative functions, Blackman,
A.
FREQUENCY RANGES AND OFFERS MULTIPLE STANDARD WAVEFORMS
B.
Chebyshev, Bessel, Gamma, Gauss ... can be selected and
FULL-FUNCTIONS EQUIPPED DUAL-CHANNEL SIGNAL OUTPUT CAPABILITY
developed by further editing.
I.
Direct Waveform Reconstruction (DWR) Capability
Majority of users are using oscilloscope to observe the waveforms
of function generators. However, the differences of input
impedance of function generators and oscilloscopes are not the
same, and the oscilloscope will not necessarily be equipped with
built-in input impedance switch function; the correct amplifier
can only be received through computing. AFG-2225 provides
50Ω and high-input impedance switching modes, which can
efficiently enhance the accuracy while users reading the results.
SUPPORT MULTI-CHANGE SIGNAL APPLICATION
Arbitrary Waveform Editing PC Software
The Equivalent Function in Dual-Channel
Wide Frequency Range
AFG-2225 offers signal output by DDS technique. The maximum
frequency is 25 MHz and offers full-range 1 Hz frequency
resolution. The built-in functions include Sine, Square, Ramp/
Triangle, Pulse, and Noise.
C.
In most two-channel signals applications, such as digital modulation
and vehicle electronic simulation signals, the similar or identical
waveform capabilities are required for both channel outputs. Unlike
other dual-channel AFG in this class, AFG-2225 is fully equipped
with equal capabilities on dual outputs. Most of dual-channel
arbitrary waveform generators in this basic level cluster offer one
major channel and one minor channel, in which the minor channel
only provides less functions or inferior performances. This sort of
non-full-function dual-channel AFGs cannot meet the requirements
of reality.
AFG-2225 provides 120MSa/s sampling rate, 10-bit vertical
resolution, 4k-point waveform length, and the maximum waveform
repeated rate of 60MHz, regarded as an outstanding arbitrary
waveform capability. There are four ways for AFG-2225 to generate
customized arbitrary waveforms, which are editing waveform via
PC software, point-by-point editing on the panel, loading CSV file
and loading the captured waveform from GWInstek GDS-Series
Oscilloscopes.
The PC software editing and point-by-point editing particularly
provide the way to create the user-defined and post-modification
waveform.
CSV file loading capability allows AFG-2225 to produce the
waveforms with complicated math operation result. Engineer can
use PC math software to process the integral and then send the
results in CSV format to AFG-2225. With the link to GWInstek
GDS-Series Digital Storage Oscilloscopes (DSOs), the waveforms
of interest can be captured by DSO and then reconstructed by
AFG-2225. User can capture the waveform during the operation
and then reconstructed by AFG-2225 for further analysis or
diagnosis in the laboratory. Thus, plus the dual-channel feature,
numerous derivative applications of capturing signal can be
achieved.
FSK
Sweep
AFG-2225 owns built-in functions, such as Modulation, Sweep,
Burst, and RF Counter. The modulation waveforms contain AM,
FM, PM, FSK, SUM, and either an internal signal or an external
signal can be selected to perform the modulation. Sweep
Function includes two sweep ways, linear and log mode, which
can also perform sweep function in internal or external. Burst
Burst
function supports two modes, Gate and N-Cycle, which can be
used to control parameters such as phase angles, duration
frequency, and duration time. The built-in Frequency Counter is
available to provide the maximum 150MHz frequency range
without additional purchase.
CORRELATED FUNCTIONS OF DUAL-CHANNEL OUTPUTS
E.
Correlated Functions of Dual-Channel
Differential Signals
The two channels can be used in either independent or correlated
configuration. AFG-2225 provides three correlated functions which
are Couple, Tracking and Phase functions. For Couple function,
two signals with a ratio or offset in amplitude or frequency can be
generated. One of two signals with adjustable offset frequency is
an example which can form the two-tone signals for testing the
third order inter-modulation distortion of an amplifier. With
Tracking function, two differential signals with equal-frequency,
equal-amplitude but inverted phase can be produced. Examples
1%~99% ADJUSTABLE DUTY CYCLE OF SQUARE WAVE
F.
FRIENDLY OPERATING INTERFACES AND INSTANT PARAMETER DISPLAY
J.
PROVIDE USB HOST/DEVICE INTERFACE
Quadrature (Sine and Cosine) Signals
such as PECL, LVPECL and LVDS digital signals or automotive
sensors like temperature, speed signals are all able to be simulated
by tracking function. The Phase function is designed to create two
signals with specified phase offset. When user wants to create two
quadrature (sine and cosine) signals, the phase offset is set to be
90 degrees in the Phase function. In conclusion, compared with
other arbitrary function generators only equipped with phase
function, AFG-2225 provides great convenience to fulfill the
various challenges coming from modern electronic industries.
High-Flexable Editing/Output Method
1% Duty Cycle of Square Wave
Inheriting the advantage of AFG-2000 Series, AFG-2225 provides
a 1%~99% variable duty cycle for its Square waveform within
100kHz bandwidth, which is considered practical for the tests
such as simulating pulse and transient signals without purchasing
extra advanced function generator and pulse generator.
AFG-2225 provides friendly panel operation setting as well as
What You See Is What You Get operating way. From editing to
output, the process can be manipulated via panel. Besides
equipped with highly-flexible editing method, the immediate
diagram is capable for users to understand the current waveform
status and the output waveform contents under the storage/
output setup.
USB Host & USB Device
The USB Host/Device Interfaces are located at the rear panel
of AFG-2225. The USB Host is mainly used for directly
reconstruction of waveforms of GW Instek GDS-Series
Oscilloscope, thus, it can be stored and recalled at portable
USB Flash Drive; as to USB Device, which is used to connecting
with PC, besides controlling through software on PC, USB Device
also supports IEEE488.2 Command List for users to process
customized functional control.
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