The Keysight 1662C (originally HP/Agilent 1662C) is a benchtop logic analyzer offering 68 channels for comprehensive state and timing analysis. Designed with a built-in 9-inch color CRT display, the 1662C provides timing speeds up to 500 MHz and a state speed up to 100 MHz, making it a reliable tool for hardware integration and digital troubleshooting.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | HP-IB (GPIB), RS-232C, Centronics Parallel Printer Port, PS/2-style keyboard/mouse |
| Display | 9-inch color CRT, 640 x 480 resolution |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 115/230 V AC auto-ranging, 48-66 Hz, 200 VA maximum |
| Operating Temperature | 0 °C to +50 °C |
| Dimensions (W×H×D) | 358 mm x 190 mm x 445 mm |
| Weight | 11.8 |
Measurement Capabilities
| Parameter | Value |
|---|---|
| State and Timing Channels | 68 |
State Analysis
| Parameter | Value |
|---|---|
| Maximum State Analysis Rate | 100 MHz |
| Minimum State Clock Pulse Width | 3.5 ns |
| State Setup / Hold Time | 3.5 ns / 0 ns |
| Number of State Clocks | 4 |
| Number of Clock Qualifiers | 4 |
| Time Tagging Resolution | 8 ns or 0.01% (whichever is greater) |
| Minimum State Clock Period | 10 ns |
Timing Analysis
| Parameter | Value |
|---|---|
| Maximum Conventional Timing Rate (Full Channel) | 250 MHz |
| Maximum Conventional Timing Rate (Half Channel) | 500 MHz |
| Maximum Transitional Timing Rate (Full Channel) | 125 MHz |
| Maximum Transitional Timing Rate (Half Channel) | 250 MHz |
| Minimum Glitch Width Detected | 3.5 ns |
Memory & Acquisition
| Parameter | Value |
|---|---|
| Memory Depth (Full Channel) | 4 KB per channel |
| Memory Depth (Half Channel) | 8 KB per channel |
Storage
| Parameter | Value |
|---|---|
| Floppy Disk Drive | 3.5-inch 1.44 MB double-sided high-density |
| Supported Floppy Disk Formats | MS-DOS, LIF |
Triggering
| Parameter | Value |
|---|---|
| Trigger Sequence Levels | 12 levels |
| Pattern Recognizers | 10 pattern recognizers |
| Range Recognizers | 2 range recognizers |
| Edge/Glitch Recognizers | 2 edge/glitch recognizers |
| Trigger Occurrence Counter | Up to 1,048,575 occurrences |
| Number of Timers | 2 |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude Limit | 4,600 m (15,000 ft) |
| Relative Humidity Range | Up to 90% non-condensing at 40 °C |
Input Characteristics
| Parameter | Value |
|---|---|
| Input Impedance | 100 kΩ ±2% in parallel with ~8 pF |
| Maximum Input Voltage | ±40 V peak |
| Minimum Input Voltage Swing | 500 mV peak-to-peak |
| Threshold Setting Range | -6.0 V to +6.0 V in 50 mV steps |
| Threshold Accuracy | ±(100 mV + 3% of setting) |
| Input Dynamic Range | ±10 V |
Architecture
| Parameter | Value |
|---|---|
| Number of Pods | 4 |
Inputs & Outputs
| Parameter | Value |
|---|---|
| External Trigger Input | BNC, TTL compatible |
| External Trigger Output | BNC, TTL compatible |
Interfaces
| Parameter | Value |
|---|---|
| Programmable Control Language | SCPI |
Technology
Logic Analysis
Applications
Digital circuit troubleshooting, embedded system debugging, and bus analysis