The Instek GDS-806C is a 2-channel digital storage oscilloscope delivering 60 MHz bandwidth with real-time acquisition at 100 MSa/s per channel and equivalent-time sampling to 25 GSa/s. Built around a 5.7-inch color LCD display, this instrument combines 125k points/channel memory depth with 8-bit vertical resolution and vertical sensitivity from 2 mV/div to 5 V/div, making it suitable for education, research, and industrial troubleshooting across a broad range of signal frequencies and amplitudes.
## Technical Specifications
**Acquisition & Sampling**
• Real-time sample rate: 100 MSa/s maximum per channel
• Equivalent-time sample rate: 25 GSa/s maximum per channel
• Record length: 125k points per channel
• Peak detection window: 10 ns (at 500 ns/div ~ 10 s/div)
• Acquisition modes: Sample, Peak Detect, Average (2, 4, 8, 16, 32, 64, 128, 256)
**Vertical System**
• Bandwidth: 60 MHz
• Vertical resolution: 8-bit
• Sensitivity: 2 mV/div to 5 V/div
• Vertical accuracy: ±3%
• Input coupling: AC, DC, HF, LF, Noise Reject
• Input impedance: 1 MΩ ±2%, ~18 pF
• BW limit: 20 MHz (-3 dB)
• Maximum input voltage: 300 V DC+AC peak (CATII)
• Offset range: 2 mV/div to 50 mV/div
**Horizontal System**
• Time base range: 1 ns/div to 10 s/div (1-2-5 increments)
• Roll mode: 250 ms/div to 10 s/div
• Time base accuracy: 0.01%
• Pre-trigger delay: 20 divisions maximum; post-trigger: 1000 divisions
• Display modes: Main, Window, Window Zoom, Roll, X-Y
**Trigger Capabilities**
• Sources: CH1, CH2, Line, Ext
• Modes: Auto Level, Auto, Normal, Single, TV, Edge, Pulse Width, Time Delay, Event Delay
• Sensitivity (DC–25 MHz): approximately 0.5 div or 5 mV
• Sensitivity (25–60 MHz): approximately 1.5 div or 15 mV
**Display & Measurement**
• Display: 5.7-inch color LCD
• Graticule: 8 or 10 divisions (8 × 12 div with menu off)
• Auto voltage measurements: V, Vpp, average, RMS, high, low, maximum, minimum
• Auto time measurements: frequency, period, rise time, fall time, positive width, negative width, duty cycle
• Cursor measurements: voltage difference (ΔV), time difference (ΔT), reciprocal frequency (1/ΔT)
• X-Y mode phase shift: 3° at 100 kHz
## Key Features
• Dual-channel configuration with independent vertical control
• Wide vertical sensitivity range accommodates signals from millivolt to 50-volt scales
• Multiple acquisition modes with frame averaging up to 256
• Pre- and post-trigger delay for precise event capture
• FFT waveform processing for frequency-domain analysis
• Comprehensive triggering suite including pulse width and time delay modes
## Typical Applications
• Digital and analog circuit verification in design and production
• Signal characterization in educational laboratories
• Power supply ripple and noise measurement
• Clock and timing analysis
• Frequency response testing
## Compatibility & Integration
Standard interfaces enable data transfer and external control integration. X-Y plotting capability supports phase relationship analysis between two channels.
