The Keysight Agilent 11970A is a high-performance waveguide harmonic mixer covering the Ka-band frequency range from 26.5 to 40 GHz. Employing a dual-diode design, it achieves low conversion loss and exceptionally flat frequency response without requiring external DC bias or manual tuning stubs.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | None (passive RF device) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | None (unbiased passive device, requires no external AC or DC power) |
| Operating Temperature | 0 to +55 °C |
| Dimensions (W×H×D) | 81 mm × 47 mm × 73 mm |
| Weight | 0.14 |
RF & Electrical Performance
| Parameter | Value |
|---|---|
| RF Frequency Range | 26.5 to 40 GHz |
| Waveguide Band Designation | Ka-band |
| Harmonic Number (N) | 8- |
| LO Frequency Range | 3 to 6.1 GHz |
| IF Output Frequency Range | DC to 1300 MHz |
| LO Input Power Range | +14 to +18 dBm |
| Conversion Loss (Maximum) | 26 dB |
| Flat Frequency Response | ±1.9 dB |
| Maximum CW RF Input Level | +20 dBm (100 mW) |
| Maximum Peak Pulse Power | +24 dBm (250 mW) |
| Typical Gain Compression | -5 dBm |
| Typical Odd-Order Suppression | >20 dB |
Port & Interface Characteristics
| Parameter | Value |
|---|---|
| RF Port Interface | WR-28 Waveguide |
| Waveguide Flange Type | UG-599/U |
| LO/IF Port Connector | SMA female |
| Typical RF Input VSWR | <2.2:1 |
| Nominal Impedance | 50 Ω (at SMA port) |
System Compatibility & Bias Control
| Parameter | Value |
|---|---|
| Bias & Tuning Requirements | None (Passive operation without external DC bias or tuning stubs) |
| Compatible Spectrum Analyzers | Agilent/Keysight E4440A/46A/48A PSA Series, E4407B ESA-E Series, 8560 E/EC-Series, 8566B (with 11975A amplifier), and 70000 MMS (with 70907A/B) |
| Amplitude Calibration | Supported via conversion loss calibration chart on the mixer body |
Environmental & Reliability
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 to +75 °C |
LO & IF Specifications
| Parameter | Value |
|---|---|
| Maximum LO Input Level | +22 dBm (160 mW) |
Environmental
| Parameter | Value |
|---|---|
| Operating Humidity | Up to 95% relative humidity (at or below 40 °C) |
| Operating Altitude | Up to 4,600 meters (15,000 feet) |
| Non-operating Altitude | Up to 15,300 meters (50,000 feet) |
| Environmental Compliance | MIL-T-28800C, Type III, Class 5, Style E |
RF Input
| Parameter | Value |
|---|---|
| Waveguide Cutoff Frequency | 21.1 GHz |
| Internal Waveguide Dimensions | 7.11 mm × 3.56 mm (0.280 in × 0.140 in) |
| Waveguide Flange Thread | 4-40 UNC |
Calibration
| Parameter | Value |
|---|---|
| Calibration Points Frequency Spacing | 1 GHz |
Technology
Waveguide Harmonic Mixer
Applications
Millimeter-wave spectrum analysis expansion