The Keysight (Agilent) 85025D is a high-performance coaxial detector designed for operation with scalar network analyzers. It features a wide frequency range of 10 MHz to 50 GHz, offering both AC and DC detection modes.
Specifications
Physical
| Parameter | Value |
|---|---|
| Power Supply | Supplied by network analyzer via interface cable |
| Operating Temperature | 0 to +55 °C |
| Dimensions (W×H×D) | 19 mm × 17 mm × 102 mm |
| Weight | 0.24 |
| Cable Length | 1.22 m |
| Shipping Weight | 1.0 kg |
RF Performance
| Parameter | Value |
|---|---|
| Frequency Range | 10 MHz to 50 GHz |
| Nominal Impedance | 50 Ω |
| Return Loss (10 MHz to 40 MHz) | 10 dB |
| Return Loss (40 MHz to 100 MHz) | 20 dB |
| Return Loss (40 GHz to 50 GHz) | 9 dB |
| Frequency Response (10 MHz to 40 MHz) | +0.25 / -0.75 dB |
Power & Sensitivity
| Parameter | Value |
|---|---|
| Dynamic Range (AC Mode) | +16 to -55 dBm |
| Dynamic Range (DC Mode) | +16 to -50 dBm |
| Maximum Input Power | +20 dBm (100 mW) |
| Maximum DC Input Voltage | ±10 VDC |
Compatibility & Configurations
| Parameter | Value |
|---|---|
| Detection Modes | AC (modulated) or DC (unmodulated) |
| Compatible Network Analyzers | Agilent 8757D (not compatible with 8756 or 8755) |
Physical & Interface
| Parameter | Value |
|---|---|
| Input RF Connector Type | 2.4 mm (male) |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -40 to +75 °C |
| Operating Humidity | Up to 95% RH @ 40 °C (non-condensing) |
| Maximum Operating Altitude | 4,600 m (15,000 ft) |
| Maximum Storage Altitude | 15,200 m (50,000 ft) |
Connectivity
| Parameter | Value |
|---|---|
| Output Interface | Proprietary multi-pin cable for HP/Keysight 8757 series connection |
Performance
| Parameter | Value |
|---|---|
| Diode Technology | GaAs Planar Doped Barrier (PDB) |
Technology
Diode Detection
Applications
Scalar Network Analysis