RFSG-9KC RF Signal Generator with Fractional-N Frequency Synthesis
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The RFSG-9KC RF Signal Generator implements advanced fractional-N frequency division technology utilizing a single-loop frequency synthesis architecture, achieving 1 Hz frequency resolution while maintaining superior spectral purity. The instrument operates across a frequency range of 9 kHz to 4000 MHz with output power levels spanning -127 dBm to +13 dBm. This high-performance RF signal generator meets the stringent requirements for electromagnetic compatibility (EMC) testing in accordance with IEC 61000-4-3 radiated immunity standards.
The RFSG-9KC incorporates medium- to large-scale integrated circuits and high-performance programmable logic devices, resulting in an efficient design characterized by low power consumption, reduced weight, and enhanced reliability. The unit delivers comprehensive functionality, high measurement accuracy, dependable performance, and intuitive operation, satisfying the demanding specifications for synthesized signal generators in defense, scientific research, and telecommunications applications.
Key Features
- Σ-Δ modulation single-loop fractional frequency synthesis technology
- Surface Mount Technology (SMT) construction
- Large-screen menu with selectable English/Chinese interface
- Settings storage and recall functionality
- Standard RS232 interface with optional USB and GP-IB interfaces
- High reliability: MTBF ≥ 10,000 hours
Technical Specifications
| Model | Frequency Range | Resolution | Frequency Aging Rate |
|---|---|---|---|
| RFSG-9KC | 9kHz~1003MHz | 1 Hz | 1×10-9/Day |
| RFSG-9KD | 9kHz~2002MHz | 1 Hz | 1×10-9/Day |
| RFSG-9KE | 9kHz~3002MHz | 1 Hz | 1×10-9/Day |
| RFSG-9KF | 9kHz~4000MHz | 1 Hz | 1×10-9/Day |
RF Output Level (Typical)
- ≤100kHz: -127dBm~+8dBm
- ≤1000MHz: -127dBm~+13dBm
- ≤3002MHz: -115dBm~+10dBm
- ≤3600MHz: -115dBm~+7dBm
- ≤4000MHz: -110dBm~+5dBm
RF Power Resolution: 0.1dBm
Reverse Power Protection (50Ω load): Maximum burnout resistance 15W
Spectral Purity (Typical)
- Harmonics (output≤+4dBm): <-30dBc
- Non-Harmonics (output≤+4dBm): ≤3002MHz < -50dBc; ≤4000MHz < -45dBc
- Subharmonics (output≤+4dBm): <2008MHz < -50dBc; <3002MHz < -40dBc; ≤3600MHz < -32dBc
Pulse Modulation (Optional)
- Rise/fall time: <15ns
- On/Off ratio: >70dB (≤4000MHz) and >80dB (≤2000MHz)
VSWR (fc>300kHz, output<-6dBm, typical): <1003...