Overview Performance
Function Generator SG-4222 / 4262
Performance
| Model | SG-4222 | SG-4262 |
|---|---|---|
| Number of output channels | 2 | |
| Maximum frequency (For sine wave) |
25MHz | 60MHz |
| Sample/ |
200MSa/s | |
| Fundamental waveform | Sine wave, square wave, ramp wave, pulse wave, noise (For the output frequencies of each waveform, see the frequency characteristics below) | |
| 160 types: Sinc, exponential rise, exponential fall, ECG (electrocardiogram), Gauss, Haversine, Lorenz, Dual Tone, etc. |
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Frequency characteristics
| Model | SG-4222 | SG-4262 |
|---|---|---|
| Sine wave | 1μHz ~ 25MHz | 1μHz ~ 60MHz |
| Square wave | 1μHz ~ 25MHz | |
| Ramp wave | 1μHz ~ 500kHz | 1μHz ~ 1MHz |
| Pulse wave | 1μHz ~ 15MHz | 1μHz ~ 25MHz |
| Harmonics | 1μHz ~ 10MHz | 1μHz ~ 20MHz |
| Noise | 25MHz frequency bandwidth | 60MHz frequency bandwidth |
| 1μHz ~ 10MHz | 1μHz ~ 20MHz | |
| Resolution/accuracy | 1μHz/±1ppm of the set value | |
Sine wave spectrum purity
| Model | SG-4222 | SG-4262 |
|---|---|---|
| Harmonic distortion | Typical values (0dBm) DC to 10MHz (inclusive): <-65dBc 10MHz to 30MHz (inclusive): <-55dBc 30MHz to 60MHz (inclusive): <-50dBc |
|
| Total Harmonic Distortion | <0.075%( 10Hz~20kHz, 0dBm) | |
| Spurious (non-harmonic) | Typical values (0dBm) ≦10MHz: <-70dBc 10MHz<: <-70dBc + 6dB/octave | |
| Phase noise | Typical values (0dBm, 10kHz offset) 10MHz: <-125dBc /Hz | |
Signal characteristics
| Model | SG-4222 | SG-4262 | Square wave | Rise/fall time | <10ns (typical 1Vpp) |
|---|---|---|---|
| Overshoot | ≤5% (typical 100kHz, 1Vpp) | ||
| Duty cycle | 0.001% ~ 99.999%(Limited by frequency setting) | ||
| Asymmetry | 1% of cycle +5ns | ||
| Jitter (rms) | Typical values (1Vpp) ≦5MHz: 2ppm + 200ps 5MHz<: 200ps | ||
| Ramp wave | Linearity/Symmetry | ≤1% of peak output (typical 1kHz, 1Vpp, 100% symmetry)/0% to 100% | |
| Pulse wave | Pulse width/ Duty cycle |
16ns ~ 999.999982118ks(Limited by frequency setting)/ 0.001% ~ 99.999%(Limited by frequency setting) |
|
| Rise/ Fall time |
≥10ns (Limited by frequency setting and pulse width setting) | ||
| Overshoot | ≤5% (typical 1Vpp) | ||
| Jitter (rms) | Typical values (1Vpp) ≦5MHz: 2ppm + 200ps 5MHz<: 200ps | ||
| Arbitrary waveform | Maximum waveform length | SG-4222: 2M points (standard), 16M points (option)/SG-4262: 8M points (standard), 16M points (option) | |
| Vertical axis resolution | 14-bit | ||
| Maximum Sample rate |
60MSa/s | ||
| Rise/fall time | <10ns (typical 1Vpp) | ||
| Jitter (rms) | Typical values (1Vpp)≦5MHz: 2ppm + 200ps 5MHz<: 200ps | ||
| Waveform editing | Point editing, block editing, waveform insertion | ||
| Harmonic output | Harmonic order | ≦8 | |
| Type | Even, Odd, All | ||
| Amplitude | Can be set for both odd and even | ||
| Phase | |||
Output characteristics
| Model | SG-4222 | SG-4262 | |
|---|---|---|---|
| Amplitude (50Ω load) |
range | ≦10MHz: 1.0mVpp ~ 10Vpp ≦30MHz: 1.0mVpp ~ 5Vpp ≦60MHz: 1.0mVpp ~ 2.5Vpp | |
| Accuracy | Typical values (1kHz sine wave, offset 0V, >10mVpp, Auto setting) ± (1% of the set value) ±1mV | ||
| Flatness | Typical values (sine wave, 2.5Vpp) ≦10MHz: ±0.1dB ≦60MHz: ±0.2dB | ||
| Unit/resolution | Vpp, Vrms, dBm/0.1mVpp or 4-digit | ||
| Offset (50Ω load) |
Range/accuracy | ±5Vpk AC + DC/±(1% of setpoint + 5mV + 0.5% of amplitude) | |
| Output | Output impedance | 50Ω (typical) | |
| Protection | Short circuit protection, overload protection | ||
* About overvoltage protection: Protection works in the following cases.
When the amplitude setting is greater than 2Vpp or the output offset is greater than | 2Vdc | and the input voltage is greater than ±11.5 x (1 ±5%) V (<10kHz).
When the amplitude setting is 2Vpp or less, or the output offset is | 2Vdc | or less, and the input voltage is greater than ±3.5 × (1 ±5%) V (< 10kHz).
Modulation characteristics
| Model | SG-4222 | SG-4262 | |
|---|---|---|---|
| AM | Carrier waveform | Sine wave, square wave, ramp wave, arbitrary waveform (Freq mode only) | |
| Source | Internal/external | ||
| Modulation waveform | Sine wave, square wave, ramp wave, noise, arbitrary waveform (Freq mode only) | ||
| Degree of modulation/modulation frequency | 0% ~ 120% / 2mHz ~ 1MHz | ||
| FM | Carrier waveform | Sine wave, square wave, ramp wave, arbitrary waveform (Freq mode only) | |
| Source | Internal/external | ||
| Modulation waveform/modulation frequency | Sine wave, square wave, ramp wave, noise, arbitrary waveform (Freq mode only)/2mHz to 1MHz | ||
| PM | Carrier waveform | Sine wave, square wave, ramp wave, arbitrary waveform (Freq mode only) | |
| Source | Internal/external | ||
| Modulation waveform | Sine wave, square wave, ramp wave, noise, arbitrary waveform (Freq mode only) | ||
| Phase offset | 0º~ 360º | ||
| Modulation frequency | 2mHz ~ 1MHz | ||
| ASK | Carrier waveform | Sine wave, square wave, ramp wave, arbitrary waveform (Freq mode only) | |
| Source | Internal/external | ||
| Modulation waveform | 50% duty square wave | ||
| Key frequency | 2mHz ~ 1MHz | ||
| FSK | Carrier waveform | Sine wave, square wave, ramp wave, arbitrary waveform (Freq mode only) | |
| Source | Internal/external | ||
| Modulation waveform | 50% duty square wave | ||
| Key frequency | 2mHz ~ 1MHz | ||
| PSK | Carrier waveform | Sine wave, square wave, ramp wave, arbitrary waveform (Freq mode only) | |
| Source | Internal/external | ||
| Modulation waveform | 50% duty square wave | ||
| Key frequency | 2mHz ~ 1MHz | ||
| PWM | Carrier waveform | Pulse wave | |
| Source | Internal/external | ||
| Modulation waveform | Sine wave, square wave, ramp wave, noise, arbitrary waveform (Freq mode only) | ||
| Pulse width deviation | 0% ~ 99.999% (Limited by frequency setting) | ||
| Modulation frequency | 2mHz ~ 1MHz | ||
| External modulation input | Input range | 75mVRMS ~ ±5V ac+dc | |
| Input frequency bandwidth | 50kHz | ||
| Input Impedance |
10kΩ | ||
Burst characteristics
| Model | SG-4222 | SG-4262 |
|---|---|---|
| Carrier waveform | Sine wave, square wave, ramp wave, pulse wave, noise, arbitrary waveform (Freq mode only) | |
| Carrier frequency | 2mHz ~ 25MHz | 2mHz ~ 60MHz |
| Burst number | 1 to 1,000,000 or infinite | |
| Start/stop phase | 0° to 360°, 0.1° resolution | |
| Internal cycle | 1μs ~ 500s | |
| Gate source | External trigger | |
| Trigger source | Internal, external, manual | |
| Trigger delay | 0ns ~ 100s | |
Sweep characteristics
| Model | SG-4222 | SG-4262 |
|---|---|---|
| Carrier waveform | Sine wave, square wave, ramp wave, built-in waveform (excluding DC), arbitrary waveform (Freq mode only) | |
| Type | Linear, log, step | |
| Orientation | Up, down | |
| Start/stop frequency | Carrier waveform lower limit frequency to upper limit frequency | |
| Sweep time | 1ms ~ 500s | |
| Hold/return time | 0ms ~ 500s | |
| Trigger source | Internal, external, manual | |
| Marker | Sync signal falling edge (programmable) | |
Frequency counter
| Model | SG-4222 | SG-4262 | |
|---|---|---|---|
| Functions | Frequency, period, positive/negative pulse width, duty cycle | ||
| Frequency resolution | 7-digit (gate time: 1s) | ||
| Frequency range | 1μHz ~ 200MHz | ||
| Period range | 5ns ~ 16day | ||
| Voltage range and sensitivity (unmodulated signal) | DC coupling | DC offset range: ±1.5Vdc | |
| 1μHz ~ 100MHz: 50mVrms ~ ±2.5Vac ＋dc 100MHz ~ 200MHz: 100mVrms ~ ±2.5Vac ＋dc |
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| AC coupling | 1μHz ~ 100MHz: 50mVrms ~ ±2.5Vac 100MHz ~ 200MHz: 100mVrms ~ ±2.5Vac |
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| Pulse width and Duty cycle measurement (DC coupling) |
Frequency range | 1μHz ~ 25MHz | |
| Voltage range | 50mVrms ~ ±2.5Vac ＋dc | ||
| Pulse width | Minimum pulse width: ≧20ns | ||
| Pulse width resolution: 5ns | |||
| Duty cycle | 0% ~ 100% | ||
| Input characteristics | Input impedance | 1MΩ | |
| Input signal range | Breakdown voltage: ±7Vac + dc | ||
| Adjust input | Coupling: AC, DC | ||
| High frequency removal ON: Input frequency bandwidth 250kHz High frequency removal OFF: Input frequency bandwidth 200MHz |
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| Input trigger | Trigger level range: -2.5V ~ +2.5V | ||
| Trigger sensitivity range: 0% (approx. 140mV hysteresis) to 100% (approx. 2mV hysteresis) | |||
| Gate time | GateTime1: 1.310ms/2: 10.48ms/3: 166.7ms/4: 1.342s/5: 10.73s/6: >10s | ||
Trigger characteristics
| Model | SG-4222 | SG-4262 | |
|---|---|---|---|
| Trigger input | Level | TTL-compatible | |
| Slope | Rise/Fall (selectable) | ||
| Pulse width | >100ns | ||
| Latency | Sweep: <100ns (typical) | ||
| Burst: <300ns (typical) | |||
| Trigger output | Level | TTL-compatible | |
| Pulse width | >60ns (typical) | ||
| Maximum frequency | 1MHz | ||
2 channel characteristics - phase offset
| Model | SG-4222 | SG-4262 |
|---|---|---|
| Range/phase resolution | 0° to 360°/0.03° | |
Reference clock
| Model | SG-4222 | SG-4262 | |
|---|---|---|---|
| External Reference clock |
Lock range | 10MHz ± 50Hz | |
| Level | 250mVpp ~ 5Vpp | ||
| Lock time | <2s | ||
| Input impedance | 1kΩ (typical), AC coupling | ||
| Internal Reference clock output |
Frequency | 10MHz ± 50Hz | |
| Level | 3.3Vpp | ||
| Input impedance | 50Ω (typical), AC coupling | ||
Sync output
| Model | SG-4222 | SG-4262 |
|---|---|---|
| Level/impedance | TTL-compatible/50Ω (nominal) | |
* About the trigger input/output and the external modulation input terminal
This terminal is common, and if it is set to the default setting, it becomes the trigger output.
General specifications
| Model | SG-4222 | SG-4262 | |
|---|---|---|---|
| Power supply | Supply voltage | 100V ~ 240V( 45Hz ~ 440Hz) | |
| Power consumption | Less than 30W | ||
| Display | Type | 3.5-inch TFT LCD | |
| Resolution | Horizontal 320 × Vertical 240 × RGB | ||
| Color | 16M colors | ||
| Environmental | Temperature range | During operation: 0°C to 50°C, non-operating: -40ºC to 70ºC | |
| Cooling method | Forced air cooling | ||
| Humidity range | Below 30ºC: ≤95% Relative humidity 30°C to 40°C: ≤75% Relative humidity 40°C to 50°C: ≦45% relative humidity | ||
| Performance warranty temperature | 18ºC ~ 28ºC | ||
| Altitude | During operation: 2,000m or less/Non-operating: 15,000m or less | ||
| Other | Dimensions | 261.5mm(W) × 112mm(H) × 318.4mm(D) | |
| Weight | 3.2kg (no packing), 4.5kg (including packing) | ||
| Inter face |
USB host, USB device, LAN* | ||
| IP protection | IP2X | ||
| Calibration interval | Recommended at 1 year | ||
| Standard Accessories | Power cord, USB cable, BNC cable, user's guide, CD-ROM (including instruction manual, etc.) | ||
Option
| Product name | Model number |
|---|---|
| 16M memory option (factory option) | SG-520 |
