The Keysight (Agilent) 42942A is a terminal adapter designed for use with the 4294A Precision Impedance Analyzer. It adapts the analyzer's four-terminal-pair port configuration to a rugged 7 mm (APC-7) connector, enabling direct connection of 7 mm test fixtures and calibration kits over a wide frequency range.
Specifications
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | 0 °C to 40 °C |
| Dimensions (W×H×D) | 190 mm × 55 mm × 160 mm |
| Weight | 0.8 |
Electrical Performance Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 40 Hz to 110 MHz |
| Nominal Impedance | 50 Ω |
Port and Interface Configuration
| Parameter | Value |
|---|---|
| Input Connector Type | Four-Terminal Pair (BNC male x4) |
| Output Connector Type | 7 mm (APC-7) |
| Control Connection | Multi-pin accessory interface connector for EEPROM communication |
Compatibility
| Parameter | Value |
|---|---|
| Compatible Impedance Analyzers | Keysight / Agilent 4294A |
Environmental Specifications
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to +60 °C |
| Operating Humidity Range | 20% to 80% RH (non-condensing) |
| Storage Humidity Range | 20% to 90% RH (non-condensing) |
Electrical
| Parameter | Value |
|---|---|
| Maximum DC Bias Voltage | ±40 V |
Performance
| Parameter | Value |
|---|---|
| Basic Impedance Accuracy | ±0.6% |
Electrical Specifications
| Parameter | Value |
|---|---|
| Maximum DC Bias Current | 100 mA |
Accessories
| Parameter | Value |
|---|---|
| Furnished Accessories | 7 mm Open termination, 7 mm Short termination, 7 mm Load termination (50 Ω), Torque wrench, Carrying case, Operation and service manual |
Technology
Impedance Measurement
Applications
Adapting 4-terminal pair impedance analyzers to 7 mm test fixtures