SensePeek SQG30-DC 3GHz Low Impedance 10:1 Passive DC Probe
SensePeek SQG30-DC is a complete 3 GHz DC-coupled, low-impedance probe, featuring a passive design that provides high dynamic range, low noise, superior linearity, and consistent long-term stability in signal flatness.
Included accessories:
1 x Probe holder for handsfree measurement
1 x Storage case
1 x Cable holders
1 x Replacement tip needle
1 x Dual ground needle
1 x Single ground spring
Key features:
- Passive 10:1 probe optimized for use with any measurement instrument featuring a 50 Ω input impedance
- Probe tip impedance of 500 Ω
- Usable data rate exceeding 6 Gbps, making it ideal for high-speed signal measurements
- Continues voltage up to 15 V
- Flat frequency response (+/- 0.5dB) from DC to 2.7 GHz
- Up to 2 GHz with single GND and above 3 GHz with the dual GND clip
- The SQG30-DC is the ultimate affordable solution for engineers seeking precision and ease of use in high-frequency measurements
Instruments
The SQG-series is suitable for use with any measurement instrument featuring a 50 Ω input impedance, making them versatile across various applications, including:
- Oscilloscopes
- Sampling Oscilloscopes
- Network Analyzers
- Spectrum and Modulation Analyzers
- Receivers
- Power Meters
- Millivoltmeters
| Model | SQG15-AC | SQG15-DC | SQG30-AC | SQG30-DC | SQG60-AC | SQG60-DC |
| Coupling | AC | DC | AC | DC | AC | DC |
| Nominal Division Ratio | 10:1 | |||||
| Bandwidth (-3dB) | 1.5 GHz | 3 GHz | 6 GHz | 6 GHz | 6 GHz | 6 GHz |
| Output Connector | BNC | SMA | SMA | SMA | SMA | SMA |
| Maximum Usable Data Rate (Fundamental) | 3 Gbps | 6 Gbps | 12 Gbps | 12 Gbps | 12 Gbps | 12 Gbps |
| Maximum Usable Data Rate (3rd Harmonic) | 1 Gbps | 2 Gbps | 4 Gbps | 4 Gbps | 4 Gbps | 4 Gbps |
| Maximum Usable Data Rate (5th Harmonic) | 0.6 Gbps | 1.2 Gbps | 2.4 Gbps | 2.4 Gbps | 2.4 Gbps | 2.4 Gbps |
| Transition Time | < 190 ps | < 103 ps | < 52 ps | < 52 ps | < 52 ps | < 52 ps |
| Probe Tip Impedance | 500 Ω | 500 Ω | 333 Ω | 333 Ω | 333 Ω | 333 Ω |
| Probe Tip Capacitance (Typical) | 0.35 pF | |||||
| Probe Tip Capacitance (Maximum) | 1.36 pF | 1.69 pF | 1.31 pF | 1.25 pF | 0.69 pF | 0.69 pF |
| Return Loss for Probed Line | max < -10 dB, typically -26 dB to -11 dB (0-1.5 GHz) | max < -10 dB, typically -26 dB to -11.5 dB (0-1.5 GHz) | max < -3 dB, typically -26 dB to -3.7 dB (0-3 GHz) | max < -4 dB, typically -26 dB to -4.3 dB (0-3 GHz) | max < -6.1 dB, typically -23 dB to -6.2 dB (0-6 GHz) | max < -5.8 dB, typically -23 dB to -6 dB (0-6 GHz) |
| Accuracy (Z0 = 36 Ω to 60 Ω) | 0.2 dB | 0.3 dB | ||||
| Accuracy (Z0 = 0 Ω to 100 Ω) | 0.83 dB | 1.2 dB | ||||
| Nominal Error (Z0 = 50 Ω) | 0.424 dB | 0.629 dB | ||||
| Nominal Error (Z0 = 75 Ω) | 0.628 dB | 0.927 dB | ||||
| Continuous Voltage | 6.6 V AC RMS | 16.4 V RMS | 6.0 V AC RMS | 15.2 V RMS | 6.3 V AC RMS | 13.0 V RMS |
| DC Blocking Voltage (Max) | 50 V DC | – | 50 V DC | – | 50 V DC | – |
| Flatness (+/- 0.5 dB) | 1.0 kHz to 1.5 GHz | 0 to 1.5 GHz | 1.0 kHz to 2.6 GHz | 0 to 2.7 GHz | 1.15 kHz to 4.8 GHz | 0 to 5.2 GHz |
| Output Impedance (Nominal) | 475 Ω | 76 Ω | ||||
| Ringing (Max) | 0.33 dB @ 1.5 GHz | 0.33 dB @ 1.5 GHz | 0.14 dB @ 3 GHz | 0.125 dB @ 3 GHz | 0.065 dB @ 6 GHz | 0.05 dB @ 6 GHz |
| Additive Voltage Noise @ 23°C | 110 µV | 110 µV | 156 µV | 156 µV | 180 µV | 180 µV |
| Single GND Bandwidth (-3dB) | 1.5 GHz | 1.5 GHz | 2 GHz | 2 GHz | – | – |
Batter Fly s.r.l. is an Italian company established in 2002 with VAT number IT02235301203
Main contacts: telephone +39 051 6468377 email [email protected]
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