The Keysight (HP/Agilent) 4194A is an impedance/gain‑phase analyzer combining precision impedance analysis with transmission gain/phase measurements. It provides integrated source/sweep control with graphic analysis and programmable operation via Auto Sequence Programming (ASP).
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (HP‑IB) remote control |
| Display | Monochrome CRT graphical display |
| Measurement Modes | Impedance analysis; Gain/phase (transmission) analysis |
Impedance Measurement Performance
| Parameter | Value |
|---|---|
| Impedance Measurement Frequency Range | 100 Hz - 40 MHz |
| Impedance Measurement Frequency Range (with 41941A/B) | 10 kHz - 100 MHz |
| Impedance Range (with 41941A/B, 10 kHz - 100 MHz) | 0.1 Ω - 1 MΩ |
| Measurement Parameters (Impedance) | |Z|, |Y|, θ, R, X, G, B, L, C, D, Q (1/D) |
Gain-Phase Analysis Performance
| Parameter | Value |
|---|---|
| Source Frequency Range (Gain‑Phase) | 10 Hz - 100 MHz |
| Measurement Functions (Gain/Phase) | Gain, Phase |
User Interface and Display
| Parameter | Value |
|---|---|
| Graphics Analysis Functions | On‑screen graphical analysis capability |
Connectivity and Remote Control
| Parameter | Value |
|---|---|
| Programmability Feature | Auto Sequence Programming (ASP) — record/playback front‑panel keystrokes |
Options and Configurations
| Parameter | Value |
|---|---|
| Accessory/Option Support | 41941A/B accessory enables 10 kHz - 100 MHz impedance, 0.1 Ω - 1 MΩ range |
Applications
Impedance characterization of electronic components and circuits; transmission gain/phase testing; engineering evaluation and go/no‑go testing, per manufacturer description.