The Tektronix 2465B is a high-performance 400 MHz, four-channel analog oscilloscope known for its reliability, extremely fast 875 ps rise time, and extensive on-screen readout capabilities. Part of the highly regarded industry-standard 2400 Series, it features selectable 1 MΩ and 50 Ω inputs, dual delaying time bases, and on-screen cursor measurements, making it a rugged and precise instrument for demanding electronics test applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (Option 10) |
| Display | 80 × 100 mm CRT with On-Screen Readout |
| Included Probes | 4 × P6139A (10X, 500 MHz) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90-132 V / 180-250 V, 48-440 Hz, 120 W max |
| Operating Temperature | -15 to +55 |
| Dimensions (W×H×D) | 330 × 160 × 434 mm (without handle and front cover) |
| Weight | 9.3 |
Vertical System
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Bandwidth (-3 dB) | 400 MHz |
| Rise Time | 875 ps |
| Deflection Factor Range (CH1 & CH2) | 2 mV/div to 5 V/div |
| Deflection Factor Range (CH3 & CH4) | 0.1 V/div and 0.5 V/div |
| Deflection Factor Accuracy | 2% |
| Input Impedance (CH1 & CH2) | 1 MΩ || 15 pF or 50 Ω |
| Input Impedance (CH3 & CH4) | 1 MΩ || 15 pF |
| Input Coupling | AC, DC, GND |
| Maximum Input Voltage (1 MΩ) | 400 V (DC + peak AC) |
| Maximum Input Voltage (50 Ω) | 5 V RMS |
| Bandwidth Limit Filter | 20 MHz |
| Vertical Display Modes | CH 1, CH 2, CH 3, CH 4, ADD (CH 1 + CH 2), INVERT (CH 2), ALT, CHOP |
| Input Capacitance (CH1 & CH2) | 15 pF ± 2 pF |
Horizontal System
| Parameter | Value |
|---|---|
| Sweep Time Base A Range | 500 ms/div to 5 ns/div |
| Sweep Time Base B Range | 50 ms/div to 5 ns/div |
| Sweep Magnifier | x10 |
| Magnified Sweep Speed | 500 ps/div |
| Alternate Sweep Function | Yes |
| Horizontal Display Modes | A, ALT, B, B DLY'D, X-Y |
Triggering System
| Parameter | Value |
|---|---|
| Trigger Sources | CH1, CH2, CH3, CH4, Line |
| Trigger Modes | Auto Level, Auto, Normal, Single Sequence |
| Trigger Coupling | AC, DC, HF Reject, LF Reject, Noise Reject |
CRT and Display
| Parameter | Value |
|---|---|
| Graticule | 8 × 10 divisions, illuminated |
Measurement and Readout
| Parameter | Value |
|---|---|
| Cursor Functions | ΔV, Δt, 1/Δt (Frequency), Absolute Volts, Phase |
Outputs and Interfaces
| Parameter | Value |
|---|---|
| Probe Calibrator Output Voltage | 400 mV peak-to-peak |
Environmental and Safety
| Parameter | Value |
|---|---|
| Non-Operating Temperature | -62 °C to +85 °C |
| Operating Altitude | Up to 4,500 m (15,000 ft) |
| Non-Operating Altitude | Up to 15,000 m (50,000 ft) |
| Military Specification | Meets MIL-T-28800C Type III, Class 3, Style C |
Configurations and Options
| Parameter | Value |
|---|---|
| Available Hardware Options | Option 01 (DMM), Option 05 (TV Sync), Option 06 (Counter/Timer/Trigger), Option 09 (Word Recognizer), Option 10 (GPIB), Option 11 (Probe Power) |
Power
| Parameter | Value |
|---|---|
| Line Frequency Range | 48 to 440 Hz |
Triggering
| Parameter | Value |
|---|---|
| Trigger Sensitivity (DC to 50 MHz) | 0.35 div (CH1 & CH2) |
| Trigger Sensitivity (50 MHz to 400 MHz) | 1.0 div (CH1 & CH2) |
| Trigger Sensitivity (400 MHz to 500 MHz) | 1.5 div (CH1 & CH2) |
Technology
Analog
Applications
Electronics Test & Measurement