Agilent / Keysight 8684D Microwave Signal Generator

The Agilent/Keysight 8684D Microwave Signal Generator is a high-performance instrument designed for generating precise microwave signals. It offers versatility for applications in radar testing, component characterization, and wireless communications, with capabilities for AM, FM, and pulse modulation. The 8684D operates within a specified frequency range and provides essential features for demanding test environments.

### Technical Specifications

* **Frequency Range:** 5.4 GHz to 18.0 GHz
* **Frequency Resolution:** 10 MHz (using a 3 1/2 digit LED display)
* **Calibration Accuracy:**
* 5.4 GHz to 9.0 GHz: ±1.25%
* 9.0 GHz to 12.5 GHz: ±0.75%
* 12.5 GHz to 18.0 GHz (x2 band): ±1.25%
* **Frequency Stability (Typical):**
* vs. time (20 minutes after turn-on): <30 kHz/min * vs. time (60 minutes after turn-on): <100 kHz/hr * vs. temperature (0 to 55° C): <30 MHz * vs. line voltage (transients of +5%/-10%): <20 ppm * **Output Power (Option 001):** +10 dBm in x2 band * **Spectral Purity:** * Harmonics (<18GHz, at specified max output): <-25 dBc * Fundamental feedthrough (at specified max. output, 12.5-18.0 GHz): <-25 dBc * **Modulation:** * AM, FM, and Pulse modulation capabilities * Internal Pulse Modulation Generator: * Rate: 10 Hz to 1 MHz continuously adjustable in 5 ranges * Width: 50 ns to 100 ms continuously adjustable in 7 ranges * Delay (sync out to video out): <50 ns to 100 ms in 7 ranges with continuous adjustment * Accuracy: 20% of full scale * External Pulse Input Requirements: * Rate: 0 to 1 MHz * Width: > 100 ns
* Level: ON > +1.0 V peak; OFF < +0.4 V peak * RF Pulse Specifications: * Rise/fall time: <10 ns * On/off ratio: >80 dB
* Minimum pulse width: <100 ns * Maximum pulse repetition frequency: >1 MHz
* Peak pulse power: ±0.5 dB of level set in CW mode
* Internal FM: Sawtooth with a fixed sweep rate of 1 kHz nominal, and variable deviation up to ±10 MHz for D models in x2 bands
* Wide FM deviation for satellite video: ±10 MHz peak
* DC coupled FM with rates to 10 MHz
* **Phase Lock Input:** Typical sensitivity of -5 MHz/V

### Electrical Specifications

* **Power Requirements:** 100, 120, 220, or 240V, +5%, -10%; 48 to 66 Hz; (Option 003 adds 400 Hz operation at 100 or 120 V)
* **Power Consumption:** <200 VA max### Physical Characteristics* **Dimensions:** 145 mm (H) x 457 mm (W) x 472 mm (D) (5.7" x 18" x 18.6") * **Weight:** 16.5 kg (36 lb) net; 22.0 kg (48 lb) shipping * **Operating Temperature Range:** 0° to 55°C### Interfaces* **Pulse Modulation Input/Output:** TTL compatible levels for external pulse input and sync out * **Phase Lock Input:** For synchronization and enhanced stability### Compatibility* **Predecessor/Successor Models:** This product is a legacy item. Its operating and service manual is from December 1984. The Keysight E8257D PSG Analog Signal Generator is listed as a potential replacement product.### Why Choose Aumictech for the Agilent/Keysight 8684D Microwave Signal Generator? At Aumictech, we specialize in sourcing and providing high-performance used and refurbished test and measurement equipment. Whether you need a reliable Agilent/Keysight 8684D Microwave Signal Generator for radar testing, intricate component characterization, or demanding wireless communication applications, our team ensures that each unit meets rigorous performance standards, delivering maximum efficiency and accuracy for your critical engineering and procurement needs.