27.5-31GHz LNB 下变频器 低噪声放大器 降频器 KA Band LNB 高频头

GX2731E    27-31GHz 四本振低噪声放大器 LNB

 

项目 Band 1 Band 2 Band 3 Band 4
本振(LO)频率(GHz) 26.05 27.05 28.05 29.05
输入(INPUT)
输入频率(GHz) 27.00 – 28.50 28.00 – 29.50 29.00 – 30.50 30.00 – 31.00
波段切换 上述2 – 4个波段,通过13/18V和22 kHz音调或M&C(监控与控制)切换
输入波导(Input WG) 波导WR28,法兰PBR 320
直流输入(DC Input) 标称+12至+24 V,通过射频输出连接器或单独连接器(SMA)供电,功耗最大6W
输入电压驻波比(Input VSWR) 最大2.0:1
内部(INTERNAL)
本振参考(LO reference) 外部10 MHz参考,故障时回退至内部参考(内部参考精度±30 ppm,温度范围 -40至+71°C)
内部本振参考(Internal LO ref.) 最大±30 ppm,温度范围 -40至+71°C
外部10 MHz参考(External 10 MHz ref.) 正弦波,电平 -10 dBm至+10 dBm,通过输出连接器或可选单独SMA连接器提供
本振泄漏(LO Leakage) 波导输入时最大 -60 dBm,中频输出时最大 -40 dBm
增益(Gain) 典型40 dB,可通过M&C定制0 – 40 dB
增益平坦度(Gain Flatness) 30 MHz内最大±0.4 dB,每个波段内最大±2 dB(温度范围 -40至+71°C)
增益稳定性(Gain Stability) 24小时内最大±1 dB
温度补偿(Temp. compensated)
噪声系数(Noise figure @ 23°C) 4.0 dB / 438 K
相位噪声(Phase Noise) 典型值:
-34 dBc @ 10 Hz
-64 dBc @ 100 Hz
-84 dBc @ 1 kHz
-92 dBc @ 10 kHz
-96 dBc @ 100 kHz
-113 dBc @ 1 MHz
-123 dBc @ >10 MHz
群延迟(Group delay) 最大±1 ns
镜像抑制(Image Rejection) 最小37 dB(本振 > 28.05时),最小27 dB(其他情况)
输出(OUTPUT)
输出频率(MHz) 950 – 2450 950 – 2450 950 – 2450 950 – 1950
输出1 dB压缩点(Output P1dB) 最小+15 dBm
输出三阶交调点(Output IP3) 最小+25 dBm
输出电压驻波比(Output VSWR) 最大2.0:1
输出连接器(Output Connector) N型母头50Ω或SMA型母头50Ω
通用(GENERAL)
报警(Alarm) 总和报警,通过M&C设置为以下任意组合报警:
高/低电流、本振锁定(外部/内部)、信号功率高/低、供电电压低/高。
开集电极3.3至28 V,最大200 mA(主机侧上拉10 kΩ),常开/常闭(NO/NC),M8连接器的引脚1
监控与控制 通过MODBUS RTU RS485电气接口
注意!需与M8公头连接器/电缆匹配,仅使用屏蔽电缆(最低CAT5)
尺寸(Dimensions) 144 x 74 x 44 mm(N型连接器)
重量(Weight) 455 g(N型连接器)

 

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Description

GX2731E 27-31GHz Quad LO Low Noise Amplifier LNB

Item Band 1 Band 2 Band 3 Band 4
Local Oscillator (LO) Frequency (GHz)​ 26.05 27.05 28.05 29.05
Input (INPUT)​
Input Frequency (GHz) 27.00 – 28.50 28.00 – 29.50 29.00 – 30.50 30.00 – 31.00
Band Switching The above 2–4 bands are switched via 13/18V and 22 kHz tone or M&C (Monitoring & Control)
Input Waveguide (Input WG) WR28 waveguide, PBR 320 flange
DC Input (DC Input) Nominal +12 to +24 V, powered via RF output connector or separate connector (SMA), max power consumption 6W
Input VSWR (Input Voltage Standing Wave Ratio) Max 2.0:1
Internal (INTERNAL)​
LO Reference (LO reference) External 10 MHz reference, falls back to internal reference in case of failure (internal reference accuracy ±30 ppm, temperature range –40 to +71°C)
Internal LO Reference (Internal LO ref.) Max ±30 ppm, temperature range –40 to +71°C
External 10 MHz Reference (External 10 MHz ref.) Sine wave, level –10 dBm to +10 dBm, provided via output connector or optional separate SMA connector
LO Leakage (LO Leakage) Max –60 dBm at waveguide input, max –40 dBm at IF output
Gain (Gain) Typ. 40 dB, customizable 0 – 40 dB via M&C
Gain Flatness (Gain Flatness) Max ±0.4 dB within 30 MHz, max ±2 dB within each band (temperature range –40 to +71°C)
Gain Stability (Gain Stability) Max ±1 dB within 24 hours
Temperature Compensated (Temp. compensated) Yes
Noise Figure (@ 23°C) (Noise figure @ 23°C) 4.0 dB / 438 K
Phase Noise (Phase Noise) Typical values:
–34 dBc @ 10 Hz
–64 dBc @ 100 Hz
–84 dBc @ 1 kHz
–92 dBc @ 10 kHz
–96 dBc @ 100 kHz
–113 dBc @ 1 MHz
–123 dBc @ >10 MHz
Group Delay (Group delay) Max ±1 ns
Image Rejection (Image Rejection) Min 37 dB (when LO > 28.05), min 27 dB (otherwise)
Output (OUTPUT)​
Output Frequency (MHz) 950 – 2450 950 – 2450 950 – 2450 950 – 1950
Output 1 dB Compression Point (Output P1dB) Min +15 dBm
Output Third Order Intercept (Output IP3) Min +25 dBm
Output VSWR (Output Voltage Standing Wave Ratio) Max 2.0:1
Output Connector (Output Connector) N-type female 50Ω or SMA-type female 50Ω
General (GENERAL)​
Alarm (Alarm) Summary alarm, configurable via M&C for any combination of the following:
High/Low current, LO lock (external/internal), signal power high/low, supply voltage low/high.
Open collector 3.3 to 28 V, max 200 mA (host-side pull-up 10 kΩ), normally open / normally closed (NO/NC), pin 1 of M8 connector
Monitoring & Control (Monitoring & Control) Via MODBUS RTU RS485 electrical interface
Note:​​ Must be used with M8 male connector/cable, shielded cable only (minimum CAT5)
Dimensions (Dimensions) 144 x 74 x 44 mm (N-type connector)
Weight (Weight) 455 g (N-type connector)

Tel:+86 18688706870   E-mail:szwisi88@qq.com

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