Custom RF Downconverter Frequency Conversion OEM ODM Solutions

Precision RF frequency conversion solutions tailored for UAV, microwave, and wireless communication systems.

We design and manufacture custom RF downconverters for complex frequency translation requirements in microwave, Transmission vidéo drone, communication sans fil, and RF testing systems.

Whether you need a standard configuration or a fully customized solution, we can engineer the device based on your exact fréquence d'entrée, fréquence de sortie, bande passante, and system requirements.

---

What is a RF Downconverter?

A downconverter is an RF device that converts a higher frequency signal to a lower intermediate frequency (SI), making it easier for signal processing, transmission, or demodulation.

Our solutions support:

• Microwave RF systems
• drone / liens vidéo drones
• COFDM / OFDM communication systems
• Systèmes de télémétrie sans fil
• Tests RF & measurement platforms

---

Full Custom RF Downconverter Specification Table

Below is a complete engineering selection guide.
You can define any parameter combination for your system.

1. Frequency Conversion Parameters

Paramètre	Custom Range	Engineering Notes
Fréquence d'entrée (RF IN)	50 MHz- 12 GHz (extendable)	Covers VHF / UHF / microwave bands
Fréquence de sortie (IF OUT)	30 MHz- 3 GHz	Must match receiver system
Conversion Type	Conversion vers le bas / Upconversion / Double	Flexible RF architecture
Oscillateur local (LO)	Fixé / Programmable / Externe	Determines flexibility
Frequency Step Size	Continuous / Fixé / Custom grid	For tunable systems
Frequency Accuracy	±1 ppm / ±0.5 ppm / OCXO / GPSDO	Critical for long-range stability

---

2. Bande passante & Signal Performance

Paramètre	Custom Range	Engineering Notes
Bande passante RF	1 MHz- 500 MHz	Narrowband or wideband design
IF Bandwidth	1 MHz- 200 MHz	Depends on modulation type
Gain Control	-10 dB à +40 dB	Adjustable amplification
Chiffre de bruit	1 dB – 6 dB	Lower is better for sensitivity
Retard de groupe	Faible / Ultra-Low	Critical for COFDM video systems
Platitude	±0.5 dB / ±1 dB / ±2 dB	Signal quality consistency

---

3. RF & Qualité du signal

Paramètre	Custom Range	Engineering Notes
IP3 (Linéarité)	+10 dBm en +35 dBm	Anti-interference capability
Spurious Suppression	-60 dBc to -100 dBc	Clean spectrum output
Rejet d'image	40 dB – 80 dB	Prevent mirror frequency interference
Phase Noise	-80 à -120 dBc/Hz @10kHz	Critical for video & digital links

---

4. LO / Reference System

Paramètre	Possibilités	Engineering Notes
LO Source	Interne / Externe / PLL	System architecture choice
Reference Clock	10 MHz / 100 MHz / Aucun	Synchronization standard
Reference Stability	TCXO / OCXO / Rubidium / GPSDO	Determines long-term accuracy
Phase Lock	Oui / Non	Stability improvement option

---

5. Interfaces & Pouvoir

Paramètre	Possibilités	Engineering Notes
Connecteur RF	SMA / N-Type / MMCX / BNC	System integration compatibility
IF Output	SMA / Baseband / Ethernet (facultatif)	Format de sortie
Interface de contrôle	Aucun / UART / USB / I2C	Optional smart control
Alimentation	5V / 12V / 24V / 28V / Wide range	System integration flexibility
Consommation d'énergie	<2W / 2–5W / 5–10W	Depends on gain & LO design

---

6. Mécanique & Environmental Design

Paramètre	Possibilités	Engineering Notes
Logement	Aluminum / Shielded / Ruggedized	EMI protection level
Size	Mini / Standard / OEM PCB	Installation flexibility
Plage de température	-20°C à +70°C / -40°C à +85°C	Industriel / military grade
Résistance aux vibrations	Standard / Haut / UAV grade	Drone applications
EMC Shielding	Standard / Enhanced / Complet	Anti-interference protection

---

Application Optimization

We optimize designs based on your application:

• drone / Drone video transmission → low latency + low phase noise
• Microwave communication → high frequency stability
• COFDM systems → low group delay + flat response
• RF testing systems → high precision + calibration stability
• Surveillance systems → high sensitivity + anti-interférence

---

Real Custom Frequency Conversion Cases

Case 1

2200–2300 MHz → 600–700 MHz
Used in microwave video transmission systems requiring IF compatibility.

---

Case 2

902–928 MHz → 702–728 MHz
Industrial wireless telemetry and ISM band adaptation.

---

Case 3

2035–2105 MHz → 635–705 MHz
UAV data links and COFDM video transmission optimization.

---

Important Engineering Considerations (Often Missed)

Many customers overlook critical RF design parameters:

• LO phase noise → affects video stability
• Image rejection → causes hidden interference
• IF bandwidth mismatch → signal distortion or loss
• Gain too high → system overload
• Connector mismatch → integration failure
• Temperature range → outdoor UAV failure risk
• Power instability → random reset or drift

---

Request Your Custom RF Solution

To design your system, veuillez fournir:

• Input frequency range
• Output frequency range
• Exigence de bande passante
• Application scenario
• Operating environment (intérieur / de plein air / drone / industriel)
• Estimated quantity

👉 Our RF engineering team will evaluate and propose an optimized design solution.