射频下变频器 3400

Q: Q2: Can this converter be used with COFDM receivers?

A2: Yes. The 400–600 MHz IF output is ideal for most COFDM demodulator modules, providing compatibility for digital video, telemetry, or data transmission systems.

Q: Q4: Is the converter suitable for outdoor or vehicle-mounted use?

A4: Absolutely. Its water-resistant aluminum enclosure and -20 °C to +55 °C operating range make it reliable for field deployment, including mobile and harsh environments.

客户规格要求:

频率范围 (射频) 3400..3600 兆赫兹
Maximum input power 1 毫瓦 (0分贝)
频率范围 (如果) 400..600 兆赫兹
Noise figure @ 18 °C typ. 1.0 分贝
Gain @ 25 ℃ 40 分贝
Gain flatness 1.50 分贝
Image rejection typ. 47 分贝
LO frequency 3000 兆赫兹
LO accuracy @ 18 ℃ +/- 20 千赫
LO frequency stability +/- 20 千赫
Phase noise @ 100 千赫 -112 分贝/赫兹
LO leakage to IF port typ. -58 分贝
LO leakage to RF port typ. -52 分贝
电源电压 +9 … +18 在直流
Current consumption typ. 180 毫安
Operating case temperature range -20 … +55 ℃
Input connector / impedance N-female, 50 欧姆
Output connector / impedance N-female, 50 欧姆
Case milled Aluminium, water resistant
方面 (毫米) 82 x 64 x 22
重量 230 克

Analysis of Customer Requirements

This set of parameters clearly describes a C-band to UHF-band frequency down converter, typically used in RF communication, 遥测, or COFDM video transmission systems. Let’s break down what the customer is looking for and what this specification implies for practical applications.

Frequency Conversion Purpose:
The input range of 3400–3600 MHz (射频) and output range of 400–600 MHz (如果) indicates a fixed Local Oscillator (LO) 在 3000 兆赫兹. This means the converter shifts C-band signals down to a lower IF band, making them compatible with standard COFDM demodulators or SDR receivers.
Low Noise Design:
一个 1.0 dB noise figure is exceptional, ensuring minimal signal degradation — crucial for long-range links or weak-signal reception in surveillance, 无人机, or broadcast systems.
Stable Gain and Flatness:
和 40 分贝增益 and only 1.5 dB flatness, the unit ensures consistent performance across the operating band. This helps maintain a reliable signal-to-noise ratio and simplifies subsequent amplification or demodulation stages.
High Image Rejection:
这 47 dB image rejection level demonstrates well-designed filtering, which prevents unwanted mirror frequencies from distorting the IF output — a key advantage in narrowband digital systems.
Excellent LO Stability and Phase Noise:
这 ±20 kHz frequency stability 和 -112 dBc/Hz phase noise at 100 kHz offset show this converter is suitable for modern digital modulation schemes, 包括 正交频分复用, 四相相移键控, or QAM, where phase noise directly impacts bit error rates.
Robust and Practical Design:
这 milled aluminum, water-resistant housing and wide -20 to +55°C operating range make this converter suitable for field deployment, including mobile command stations, UAV ground control, and outdoor repeater systems.
Power and Interface:
配套 9–18 VDC power input and typical 180 毫安 current draw, it’s compatible with common field power systems. 这 N-type 50Ω connectors ensure solid RF performance with minimal signal loss.

应用领域

Long-range COFDM video receiver front-end
UAV and drone ground control stations
Wireless surveillance and telemetry
C-band communication link monitoring
Military and emergency communication systems

结论

This specification suggests the customer needs a precision-engineered, low-noise RF down converter 为了 C-band signal reception. It’s ideal for integration into COFDM receiver systems, broadband communication links, or UAV downlink setups where high sensitivity and stability are critical.

Such converters are often paired with high-performance COFDM demodulator modules to provide a complete long-range video or telemetry solution.

降频转换器

RF 下变频 BDC 降频上变频下变频

$999.00

常问问题

Q1: What is the purpose of converting 3400–3600 MHz signals to 400–600 MHz?

A1: This down conversion shifts high-frequency C-band signals into a lower IF band, making them easier to process with standard COFDM or SDR demodulators while reducing cost and complexity in the receiver chain.

Q2: Can this converter be used with COFDM receivers?

A2: 是的. The 400–600 MHz IF output is ideal for most COFDM demodulator modules, providing compatibility for digital video, 遥测, or data transmission systems.

第三季度: How does the 1 dB noise figure affect performance?

A3: A low noise figure ensures minimal degradation of weak RF signals, greatly improving reception quality and effective range — especially important in long-distance UAV and mobile communication links.

第四季度: Is the converter suitable for outdoor or vehicle-mounted use?

A4: 绝对地. Its water-resistant aluminum enclosure and -20 °C 至 +55 °C operating range make it reliable for field deployment, including mobile and harsh environments.

射频下变频器 3400–3600MHz