The Best Lecroy LA314H Oscilloscope

Lecroy LA314H Oscilloscope

The LeCroy LA314H has four channels and a 470 MHz bandwidth. While digital scopes have become much more common than analog oscilloscopes, if you prefer analog, the LeCroy LA314H Oscilloscope offers the highest level of analog performance available today. Analog oscilloscopes offer unique benefits in solving specific measurement problems. The analog display provides important clues on relative frequency content of signals mixed together or the occurrence of low rep-rate events on repetitive signals. The LA314H has a meshless CRT and effectively displays these “grey scaling” and “persistence” effects; and the LA314H’s ultrafast display update rate lets you see how the waveforms behave in real time. The standard multipurpose trigger, wide input offset range, comprehensive cursors and counter make the LA314H a perfect choice when you need the specific functionality of an analog oscilloscope.

Features & Specifications

• 4 Channels o Up to 500ps/div Time Resolution
• High-Speed Auto Setup
• Cursor Measurements
• Event and Burst Trigger Modes
• Full TV Trigger with clamping
• Save and Recall Panel settings
• Frequency Counter
• High-Input Offset Range
• High Intensity CRT
• Power for FET Probes
• DC – 470 MHz, 4-CH, 10 traces
• Four channels up to 470 MHz are available, with CH1 and CH2 boasting the widest frequency range with highest sensitivity (2mV/div). The fastest sweep speed is500 ps/div.
• Input offset function
• Suitable for the observation of small signals superimposed on large signals. The DC input offset function features an offset equivalent to ±500 div. max, which can be applied to CH1 or CH2.
• Counter measurement function
• Built-in 5 digit counter for frequencies up to 470 MHz.
• Save/Recall up to 256 panel settings
• Just turn the FUNCTION knob to recall panel setups. Stores up to 256 settings in memory.
• Power for FET Probe
• Dedicated power supplies for 2 FET probes. Controls DC offset voltage of each probe as well.
• TV/HDTV Synchronization
• TV triggering is available for NTSC, PAL, (SECAM) and HDTV. Field (EVEN, ODD, BOTH) and line select functions are included.
• TV Clamp Function
• Easy observation of TV video signals with fluctuating average voltage. Back porch level of composite signals is fixed to ground level for display.
• Typical Applications o Video, especially VCRs and TVs. o Data recording, finding servo anomalies, glitches and intermittent phenomena in the disk-drive head- signals.
• Eye patterns (for DVDs) in optical disk measurements.
• Wide-bandwidth noise measurements on magneto optical disks.
• Radar/Lidar burst measurements.
• Eye pattern measurements on ATM 155 Mbps signals.
• Display
• CRT: 6-inch rectangular, internal graticule (8 x 10 div) meshless CRT Accelerating voltage: Approximately 20 kV
• Vertical Deflection System
• Mode: CH1, CH2, CH3, CH4, ADD (CH1 + CH2), ALT, CHOP
• Channel 1, 2 Sensitivity: 2 mV/div – 5 V/div ±2%, 11 step (1-2-5)
• Fine Adjuster: 2 mV/div – 12.5 V/div continuously variable
• Bandwidth (-3dB):
• 470 MHz (5 mV/div – 50 mV/div)
• 440 MHz (2 mV/div, 100 mV/div – 5 V/div)
• BW limiter: 20 MHz and 100 MHz selectable
• VSWR: Less than 1.35:1 over DC -ms/div ±2%, 21 step (1, 2, 5)
• Delay time range: 0.2 div – 10.2 div;
• Accuracy: + (setting value x 0.005) + (sweeptime x 0.1) -55 ns
• Magnifier (MAG): 10 times Accuracy: ±5% (+10°C – +35°C)
• X-Y Operation
• X axis: CH1
• Y axis: CH1, CH2, CH3, CH4, ADD
• Accuracy: ±2% (+10°C – +35°C)
• CH2 Out
• Output voltage: 20 mV/div ±30%
• Frequency output: DC – 200 MHz (50 ohm load)
• Output resistance: 50 ohm ±20%
• Utilities
• Save/Recall Function
• Number of panel setups: 256 max
• Comments: 12 characters max
• Modulation (Z-axis)
• Minimum modulation voltage: 0.5 Vp-p
• Polarity: Positive (dark)/negative (bright)
• Frequency range: DC – 5 MHz
• Max. input voltage: 40 V
• Calibrator
• Waveform: Square
• Repetitive frequency: 1 kHz
• Accuracy: ±0.1% o Output voltage: 0.6 V
• Accuracy: ±1%
• Power for FET probes
• Voltage: 2 each +12 V outlets for 2 FET probes, offset control available

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