---
title: "RFS-1000 | 100 MHz - 42 GHz RF/Microwave Signal Generators – CW & Sweep"
date: 2025-08-28T06:39:40Z
modified: 2026-06-05T13:05:51Z
permalink: "https://www.berkeleynucleonics.com/rfs-1000-100-mhz-42-ghz/"
type: page
status: publish
excerpt: ""
wpid: 32033
---

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- [    Quote ](/get-quote/?interested_product=RFS-1000%20|%20100%20MHz%20-%2042%20GHz)
- [    Contact ](/contact-us/)
- [    Datasheet ](#bnc-tab-technical-resources)
- [    RF Selection Guide ](/ProductSelection/)
 
 

 

 

 

 

#### RFS-1000 | 100 MHz - 42 GHz RF/Microwave Signal Generators – CW & Sweep

 

 

The RFS-1000 Series is a compact, high-performance RF and microwave signal generator platform built for lab testing, automated test systems, and advanced RF development. Designed with precise frequency control, low phase noise, and a wide operating range, it delivers a cost-effective yet reliable solution for engineers and researchers who need stable, repeatable signal generation. Its compact flange-mount design makes it an excellent local oscillator (LO) option for seamless system integration in larger RF and microwave assemblies. The RFS-1220 offers frequency coverage from 100 MHz to 22 GHz, while the RFS-4200 extends up to 42 GHz, providing the performance and flexibility required for higher-frequency applications.







 

 

  Select Model  RFS-1220 | 20 MHz – 22 GHz RFS-1420 | 100 MHz – 42 GHz  

 Quantity  

 Delivery Country  

 Get Quote 

 

 
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}

function submitConfig() {
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  const country = document.getElementById('country').value;

  if (!country) {
    alert('Please select a delivery country.');
    return;
  }

  const combinedInterest = encodeURIComponent(`${model} | Delivery Country: ${country}`);
  const baseUrl = 'https://www.berkeleynucleonics.com/get-quote/';
  const params = `?interested_product=${combinedInterest}&quantity=${qty}`;
  window.open(baseUrl + params, '_blank');
}

document.getElementById('getQuoteBtn').addEventListener('click', submitConfig);

populateCountries();
 

 

 

 

 

 

   Overview     Specifications     Technical Resources     Downloadable Resources     Price Lists   

##### RFS-1000 Overview

 

 

 

 

| #### Key Features | #### Applications |
| --- | --- |
| - Wide Frequency Coverage: 0.1 GHz to 22 GHz or 42 GHz - Adjustment Level: up to +15 dBm - Low Phase Noise and Excellent Spectral Purity - Precision Frequency Control - USB C powered, Compact and Rugged Design | - Automated Testing Environments - Antenna Design - EMC Testing - Production Verification and Test Setups - Aerospace / Defense Research - Wireless Infrastructure Design |
| #### Covers the Following Satellite Bands: - **L-band** _(1 – 2 GHz)_ for mobile communications - **S-band** _(2 – 4 GHz)_ for weather and maritime - **C-band** _(4 – 8 GHz)_ for TV broadcasting - **X-band** _(8 – 12 GHz)_ for military use - **Ku-band** _(12 – 18 GHz)_ for direct-to-home satellite broadcasting - **Ka-band** _(18 – 36 GHz)_ for broadband internet via satellite - **Q-Band** _(36 – 42)_ |  |


    const phaseNoiseData = {
      10: { '1kHz': -94.24, '10kHz': -98.89, '100kHz': -104.97, '1MHz': -120.82 },
      18: { '1kHz': -83.65, '10kHz': -93.70, '100kHz': -100.96, '1MHz': -116.76 },
      30: { '1kHz': -86.59, '10kHz': -92.43, '100kHz': -100.89, '1MHz': -110.88 },
      40: { '1kHz': -78.76, '10kHz': -90.43, '100kHz': -94.03, '1MHz': -111.29 }
    };

    function estimatePhaseNoise() {
      const inputGHz = parseFloat(document.getElementById('ghzInput').value);
      const outputDiv = document.getElementById('output');

      if (isNaN(inputGHz)) {
        outputDiv.innerHTML = 'Please enter a valid number.';
        return;
      }

      // Find the two nearest GHz points
      const keys = Object.keys(phaseNoiseData).map(Number).sort((a,b) => a-b);
      let lower = keys[0];
      let upper = keys[keys.length - 1];

      for (let i = 0; i < keys.length - 1; i++) { if (inputGHz >= keys[i] && inputGHz <= keys[i+1]) {
          lower = keys[i];
          upper = keys[i+1];
          break;
        }
      }

      if (inputGHz <= lower) lower = upper = keys[0]; if (inputGHz >= upper) lower = upper = keys[keys.length -1];

      const result = {};
      const offsets = ['1kHz', '10kHz', '100kHz', '1MHz'];

      offsets.forEach(offset => {
        if (lower === upper) {
          result[offset] = phaseNoiseData[lower][offset];
        } else {
          // Linear interpolation
          const slope = (phaseNoiseData[upper][offset] - phaseNoiseData[lower][offset]) / (upper - lower);
          result[offset] = phaseNoiseData[lower][offset] + slope * (inputGHz - lower);
        }
      });

      outputDiv.innerHTML = `<strong>Estimated Phase Noise at ${inputGHz} GHz:<br>
        1 kHz offset: ${result['1kHz'].toFixed(2)} dBc/Hz<br>
        10 kHz offset: ${result['10kHz'].toFixed(2)} dBc/Hz<br>
        100 kHz offset: ${result['100kHz'].toFixed(2)} dBc/Hz<br>
        1 MHz offset: ${result['1MHz'].toFixed(2)} dBc/Hz`;
    }

 

 

 

##### RFS-1000 Series GUI

 

 

 

 [ ![](https://www.berkeleynucleonics.com/wp-content/uploads/rfs_1000_gif_v_2_1.gif) ](https://www.berkeleynucleonics.com/wp-content/uploads/rfs_1000_gif_v_2_1.gif) 

 

 

##### RFS-1000 | Phase Noise V. Frequency

 

 

 

 [ ![](https://www.berkeleynucleonics.com/wp-content/uploads/rfs-1420_phase_noise-1024x399.png) ](https://www.berkeleynucleonics.com/wp-content/uploads/rfs-1420_phase_noise.png) 

 

#### Phase Noise Estimator

 Enter frequency in GHz (e.g., 10, 18, 30, 40):  Estimate

 

 

 

 

 

 

 

| **RFS-1220** | **RFS-1420** |  |
| --- | --- | --- |
| **Frequency Range** | 20MHz – 20 GHz (calibrated), settable up to 22 GHz | 100MHz – 40 GHz (calibrated), settable up to 42 GHz |
| **Connector** | 2.92mm K-connector \[3.5mm SMA Compatible\] | 2.92mm K-connector \[3.5mm SMA Compatible\] 2.4mm K-connector |
| **Output Power Range** | -40 to +15 dBm (0-13 GHz) -22 to +15 dBm (13-22 GHz) | -20 dBm to +13 dBm (0.1 – 20 GHz) -13 dBm to +15 dBm (20 – 40 GHz) |
| **Power Output Accuracy** | ±1.0 dB typical | ±1.0 dB (LF-20 GHz) ±2.0 dB (20-40 GHz) |
| **Phase Noise** | -92 dBc @ 20 GHz (10 kHz offset) | -90 dBc @ 40 GHz (10 kHz offset) |
| **Frequency Step Size** | < 2 Hz | 10 Hz |
| **Harmonic Content** | < -25 dBc (typical) | < -25 dBc (typical) |
| **Reference Source** \[MCX Connector\] | Internal Ultra-low-noise 100 MHz VCXO locked to internal TCXO External 10/100 MHz reference | Internal Ultra-low-noise 100 MHz VCXO locked to internal OCXO (±10 PPB stability) External 10/100 MHz reference |
| **Mode of Operation** | Continuous Wave (CW), Sweep Mode |  |
| **Control Interface** | USB & Ethernet, SCPI command |  |
| **Power Supply** | USB-C (5 V – 2.0 A) |  |
| **Size & Enclosure** | 4.25″ W x 2.50″ H x 6.75″ D (Aluminum) |  |
| **Weight** | 1.3 lbs (0.59 kg) |  |

 

 

 

 

 

 [ BNC RFS-1000 Series Signal Generator Datasheet](https://www.berkeleynucleonics.com/download/37139/?tmstv=1780664751)

 

 

 

 

 

Downloadable resources such as datasheets, firmware, software, drivers and products manuals. Alternatively, you can browse resources directly by visiting our [downloads page](/downloads).

- [Product Datasheets](/downloads#rf-datasheets)
- [Product Firmware](/downloads#rf-firmware)
- [Product Software and Drivers](/downloads#rf-softwaredrivers)
- [Product Manuals](/downloads#rf-manuals)

 

 

 

 

 [ Berkeley Nucleonics Price List 2026](https://www.berkeleynucleonics.com/download/19881/?tmstv=1780664751)

 

 

 

 

 

 

 

 

 

 

 [ ![](data:image/svg+xml;charset=utf-8,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' viewBox%3D'0 0 1105 130'%2F%3E) ](/products/microwave-rf-signal-generators)