Model

SG-4322

SG-4321

Oscillation waveform

Sine,Square,Pulse,Ramp,Parameter-variable(25 types),
Noise(Gaussian distribution),DC, Arbitrary

No. of channels

2ch

1ch

Insulation

Output impedance

50 unbalanced

Frequency

Various modes

Frequency accuracy*1

（3 ppm of setting + 2 pHz）, aging rate*1: 1 ppm/year

Frequency setting resolution

0.01μHz

Amplitude

Setting range

0 Vp-p to 20 Vp-p / open,
0 Vp-p to 10 Vp-p / 50Ω
AC + DC 10 V / open

Accuracy *1

(1% of amplitude setting [Vp-p] + 2 mVp-p) / open

Setting resolution

999.9 mVp-p or less: 4-digit/0.1 mVp-p
1 Vp-p or greater: 5-digit/1 mVp-p

Setting unit

Vp-p、Vpk、Vrms、dBV、dBm

Resolution of waveform amplitude

Approx. 14 bits (36 mVp-p / open or greater)

Oscillation mode

Continuous modulation, sweep, burst, sequence

DC offset

Setting range

10 V/open, 5 V/50Ω

Setting resolution

499.9 mV or less: 4-digit / 0.1 mV, 0.5 V or greater: 5-digit / 1 mV

Accuracy *1

(│1% of DC offset setting [V]│+ 5 mV + 0.5% of
amplitude setting [Vp-p])/open (20C to 30C when
outputting sine waves of 10 MHz or less)

Synchronous /
sub output

Sync signals: TTL level
Internal modulation signal: - 3 V to + 3 V / open
Sweep X drive: 0 V to + 3 V / open

Sine wave

Amplitude
frequency
characteristics *1

∼100kHz ：±0.1dB
100kHz ∼ 5MHz ：±0.15dB
5MHz ∼20MHz ：±0.3dB
20MHz ∼ 30MHz ：±0.5dB
（2.8Vp-p以上／ 50Ωでは±0.8dB）
（50mVp-p ∼10Vp-p ／ 50Ω、1kHz基準）

Total harmonic distortion *1

10Hz ∼20kHz ： 0.2％以下（0.5Vp-p ∼10Vp-p ／ 50Ω）

Harmonic spurious *1

Non-harmonic
spurious *1

Square wave

Duty variable

Normal: Setting range: 0.0100% to 99.9900%
Upper limit (%): 100 – frequency (kHz) /300
Lower limit (%): frequency (kHz) /300
Jitter: 300 ps rms or less typ.
Extended: Setting range: 0.0000% to 100.0000%
Jitter: 2.5 ns rms or less typ.

Rising/falling time *1

17ns or less

Overshoot

5％or less typ.

Pulse wave

Pulse width

Duty setting range: 0.0170% to 99.9830%
Time setting range: 25.50 ns to 99.9830 Ms

Rising/falling time

Setting range 15.0 ns to 58.8 Ms (3-digit/0.1 ns)
Rising/falling time independently set
The minimum setting value is 0.01% of period or 15 ns, whichever is larger.

Overshoot

5％or less typ.

Jitter

500 ps rms or less typ. (10 kHz or more)
2.5 ns rms or less typ. (less than 10 kHz)

Ramp wave

Symmetry setting range: 0.00% to 100.00%

Parameter-variable waveforms

(Can change the parameters specific to incorporated waveforms.)

Can change the parameters specific to incorporated waveforms.

Steady sine wave group

Unbalanced sine, clipped sine, CF controlled sine, conduction
angle controlled sine, staircase sine, and multi-cycle sine waves

Transient sine wave group

投On-phase controlled sine, off-phase controlled sine,
chattering-on sine, and chattering-off sine waves

Pulse waveform group

Gaussian pulse, Lorentz pulse, Haversine, half-sine pulse, trapezoid pulse, and Sin (x)/x

Transient response waveform group

Exponential rise, exponential fall, 2nd order LPF step response, and damped oscillation

Surge waveform group

Oscillation surge and pulse surge

Others group

Trapezoid with offset , half-sine edge pulse, and bottom referenced ramp waves

Arbitrary waveform

Waveform length

4 K to 512 K words (2n, n = 12 to 19) or the number of control
points is 2 to 10,000 (Control points are linearly interpolated.)

Total of waveform
saving capacity

Up to 128 waves or 4 M words (total of channels 1 and 2),
saved in the nonvolatile memory.

Resolution

16 bit

Sampling rate

120 MS/s

Internal modulation

Modulation waveforms

Other than FSK and PSK: Sine, square (duty of 50%),
triangle (symmetry of 50%),
rising ramp, falling ramp, noise,
arbitrary waveforms
FSK and PSK: Square (duty of 50%)

Modulation
frequency

Other than FSK and PSK: 0.1 mHz to 100 kHz (5-digit/0.1 mHz)
FSK and PSK: 0.1 mHz to 1 MHz (5-digit/0.1 mHz)

External modulation

Input voltage range

1 V full scale (other than FSK and PSK)

Input impedance

10 k, unbalanced (other than FSK and PSK)

Input frequency

DC to 25 kHz (other than FSK and PSK)
DC to 1 MHz (FSK and PSK)

Modulation types and conditions

FM

Carrier waveform: Arbitrary waveform and standard waveform other than noise, pulse, and DC
Peak deviation: 0.00 Hz to less than 15 MHz

FSK

Carrier waveform: Arbitrary waveform and standard waveform other than noise, pulse, and DC
Hop frequency: Within the frequency settable range for each carrier waveform

PM

Carrier waveform: Arbitrary waveform and standard waveform other than noise and DC
Peak deviation : 0.000 to 180.000

PSK

Carrier waveform: Arbitrary waveform and standard waveform other than noise and DC
Deviation : –1800.000 to +1800.000

AM

Carrier waveform: Arbitrary waveform and standard waveform other than DC
Modulation depth: 0.0% to 100.0% (DSB-SC and non-DSB-SC supported)

DC offset modulation

Carrier waveform: Standard waveform and arbitrary waveform
Peak deviation : 0 V to 10 V/open

PWM

Carrier waveform: Square wave and pulse wave
Peak deviation : Square wave of normal duty variable
range : 0.0000% to 49.9900%,
Square wave of extended duty
variable range : 0.0000% to 50.0000%,
Pulse: 0.0000% to 49.9000%

Sweep

Sweep types

Frequency, phase, amplitude, DC offset, and duty

Sweep functions

One-way (ramp wave shape)/shuttle (triangle wave shape) selectable
Linear/logarithmic selectable (only when sweeping the frequency)

Sweep range setting

The start and stop values or the center and span values are specified.

Sweep time setting range

0.1 ms to 10,000 s (4-digit/0.1 ms)

Sweep modes

Continuous/single-shot/gated single-shot selectable Oscillation only occurs during sweep execution in the gated single-shot mode.

Trigger source

Internal/external selectable

Internal trigger oscillator

Period setting range: 100.0 s to 10,000 s (5-digit/0.1 s)

Stop level setting

The signal level while oscillation is stopped in the gated single-shot sweep mode is specified.
Setting range: –100.00% to +100.00% (with reference to the full scale of amplitude) or off

Sweep input/output

Sweep sync/marker output, sweep X drive output, sweep external control input, and sweep external trigger input

Burst/Trigger/Gate

Burst modes

Auto burst, trigger burst, gate, and triggered gate modes (The gate is turned on/off at each trigger in the triggered gate mode.)

Number of mark/space waves

0.5 to 999,999.5 cycles, in 0.5-cycle units

Number of oscillation
waves in the gate mode

1 cycle/0.5 cycles selectable

Phase setting range

–1800.000 to +1800.000

Stop level

The signal level while oscillation is stopped is specified.
Setting range: –100.00% to +100.00%
Oscillation stops at the set oscillation start/stop phase
when the stop level is set to off.

Trigger source

Internal/external selectable, manual trigger allowed

Internal trigger oscillator

1.0 s to 1,000 s (5-digit/0.1 s)

Trigger delay

0.00 s to 100.00 s (5-digit/0.01 s)
Except for latent delay. Valid in the trigger burst mode only.

External trigger input

TTL level, Input impedance 10 k (pulled up to +3.3 V), Unbalanced

Manual trigger

Panel key operation

Sequence

Step control parameters

Step time, hold operation, jump destination, number of jumps, step stop phase, branch operation, step termination control, and step sync code output

Channel parameters in step

Waveform, frequency, phase, amplitude, DC offset,
and square wave duty

Available waveforms

• Sine, square, noise, DC, and arbitrary waveforms
• The ramp and parameter-variable waveforms can be
• used after being saved as arbitrary waveform.

Max. number of usable waveforms

128

Number of saved sequences

10 sequences (saved in the nonvolatile memory)

Number of steps

Up to 255 steps per sequence

Step time

0.1 ms to 1,000 s (4-digit/0.01 ms)

Operation in step

constant, keep, and linear interpolation (except for waveform switching)

Number of jumps

1 to 999 or unlimited

Branch operation

ranched to the specified step when the branch signal is input.

2-channel Ganged Operation （SG-4322 only）

Channel modes

Two channels independent, two phases (same frequency), constant frequency difference, constant
frequency ratio, and differential output (same frequency, amplitude, DC offset, reversed waveform)

－

Equivalent setting, same operation

Set two channels at the same time.

Frequency difference
setting range

0.00 Hz to less than 30 MHz (resolution: 0.01 Hz)
CH2 frequency – CH1 frequency

Frequency ratio N:M
setting range

1 to 9,999,999 (for N and M, respectively)
N:M = CH2 frequency:CH1 frequency

Phase synchronization

Function to restart from the phase where the output waveforms for all the channels are set, automatic execution at channel mode switching

Other Functions

External 10 MHz frequency reference input

Input voltage: 0.5 Vp-p to 5 Vp-p,
sine or square waves

Frequency reference
output

For synchronization when more than one SG-4322 and/or SG-4321 are used.
Output voltage: 1 Vp-p/50 , square wave, 10 MHz

External addition input

Function

Function to add the external signal to the waveform output signal

Addition gain

×2/×10/off selectable
The maximum output voltage range is fixed to 4 Vp-p (×2) or 20 Vp-p (×10).

Input voltage/input frequency

–1 V to +1 V
DC to 10 MHz (–3 dB)

Input impedance

10kΩ, unbalanced

Multi input/output

Used for sweep and sequence control

Synchronization of
multiple units

Sync operation is possible. Up to 6 units can be connected with BNC cables in the form of master / slave connections, using the frequency reference output and external 10 MHz frequency reference input.

User-defined unit

Function

Sets and displays the value in any unit, using a
specified conversion expression.

Setting target

Frequency, period, amplitude, DC offset, phase, and duty

Conversion expression

[(setting target value) + n] ×m or [log10 (setting target value) + n] ×m
The conversion expression, n and m are to be specified.

Unit character string

Up to four characters

Memory to save setting

10 settings can be memorized (saved in the nonvolatile memory).

Interface

GPIB and USBTMC (SCPI-1999 and IEEE-488.2)

Display

3.5” TFT color LCD

Power supply

AC100 V to 230 V 10% (250 V max.) 50 Hz/60 Hz 2 Hz

Power consumption

75VA max.

50VA max.

Operation temperature/
humidity range

0C to +40C, 5%RH to 85%RH
(Absolute humidity: 1 g/m3 to 25 g/m3, no condensation)

Weight

Approx. 2.1 kg (main unit excluding accessories)

Safety

EN61010-1:2001

EMC

EN61326-1:2006

Accessories

・ Instruction Manual (Basic)
・ CD-ROM（PDF manuals, Arbitrary Waveform Editor
• Sequence Editor, LabVIEW driver）
・ Power cord set