| Specifications |
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| TDS-7404 4GHz 4CH Digital Scope |
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| Model Overview |
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| Model | TDS7054 | TDS7104 | TDS7154 | TDS7254 | TDS7404 |
| Input Channels | 4 | 4 | 4 | 4 | 4 |
| Analog Bandwidth (–3 dB) | 500 MHz | 1 GHz | 1.5 GHz | 2.5 GHz | 4 GHz |
| Calculated Rise Time 10 mV/div to 1 V/div | 800 ps | 400 ps | 240 ps | 160 ps | 100 ps |
| Hardware Bandwidth Limits | 250 MHz or 20 MHz | 250 MHz or 20 MHz | Requires TCA-1 MEG | Requires TCA-1 MEG | Requires TCA-1 MEG |
| Input Coupling | AC, DC, Gnd | AC, DC, Gnd | DC, Gnd | DC, Gnd | DC, Gnd |
| Input Impedance | 1 MΩ ±0.5% or 50 Ω ±1% | 1 MΩ ±0.5% or 50 Ω ±1% | 50 Ω ±2.5% | 50 Ω ±2.5% | 50 Ω ±2.5% |
| Input Sensitivity, 1 MΩ | 1 mV/div to 10 V/div | 1 mV/div to 10 V/div | — | — | — |
| Input Sensitivity, 50Ω | 1 mV/div to 1 V/div | 1 mV/div to 1 V/div | 2 mV/div to 1 V/div | 2 mV/div to 1 V/div | 2 mV/div to 1 V/div |
| Vertical Resolution | 8-Bit (>11-Bit with averaging) | 8-Bit (>11-Bit with averaging) | 8-Bit (>11-Bit with averaging) | 8-Bit (>11-Bit with averaging) | 8-Bit (>11-Bit with averaging) |
| Max Input Voltage, 1 MΩ | ±150 V CAT I Derate at 20 dB/decade to 9 VRMS above 200 kHz | ±150 V CAT I Derate at 20 dB/decade to 9 VRMS above 200 kHz | — | — | — |
| Max Input Voltage, 50Ω | 5 VRMS, with peaks less than ±30 Volts | 5 VRMS, with peaks less than ±30 Volts | Determined by TekConnect™ Accessory | Determined by TekConnect™ Accessory | Determined by TekConnect™ Accessory |
| DC Gain Accuracy | 1% | 1% | ±(2% + (2% * offset)) | ±(2% + (2% * offset)) | ±(2% + (2% * offset)) |
| Offset Range |
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| | 1 mV/div to 100 mV/div: ±1 V | 1 mV/div to 100 mV/div: ±1 V | 2 mV to 50 mV/div: ±0.5 V | 2 mV to 50 mV/div: ±0.5 V | 2 mV to 50 mV/div: ±0.5 V |
| | 101 mV/div to 1 V/div: ±10 V | 101 mV/div to 1 V/div: ±10 V | 50.5 mV to 99.5 mV: ±0.25 V | 50.5 mV to 99.5 mV: ±0.25 V | 50.5 mV to 99.5 mV: ±0.25 V |
| | 1.01 V/div to 10 V/div: ±100 V | 1.01 V/div to 10 V/div: ±100 V | 100 mV to 500 mV: ±5 V | 100 mV to 500 mV: ±5 V | 100 mV to 500 mV: ±5 V
505 mV to 1 V/div: ±2.5 V
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Channel-to-channel Isolation Any Two Channels
at Equal Vertical Scale Settings
| ≥100:1 at 100 MHz and ≥30:1
at the Rated Bandwidth
| ≥100:1 at 100 MHz and ≥30:1
at the Rated Bandwidth
| ≥100:1 at <2.5 GHz and ≥40:1 at 4 GHz | ≥100:1 at <2.5 GHz and ≥40:1 at 4 GHz | ≥100:1 at <2.5 GHz and ≥40:1 at 4 GHz |