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Ceramic dielectric antenna can be used not only in GPS global positioning system, but also in communication between modern Internet of Things devices. The company in line with the achievement of customers, achievements of their own business philosophy, to provide customers with professional, targeted product design (customers to provide product requirements).
According to the different needs of customers, the company can provide different shapes of antenna, generally for the plate dielectric antenna and rod dielectric antenna.
Product description
The company has now successfully developed multiple media antennas.
K25, K35, K37, K40, K45
It has different dielectric constant and working frequency, and is widely used in:
GPS ceramic antenna;
Beidou satellite antenna;
Timing antenna;
10X10mm to 100X100mm can be used for the size of ceramic antenna;
Custom-made ceramic antenna products.
The company's existing products are applicable to the range of working frequency range from 30MHz to 10GHz. If the company needs the company to develop the corresponding low frequency and higher frequency products according to the requirements of the customer.
Product information
Huifeng electronics has now set up two kinds of dielectric antenna products:
| 产品A： 尺寸：25mm*25mm 介电常数：20 工作频率：1.57542GHz |
产品B： 尺寸：20mm*20mm 介电常数：37或40 工作频率：1.57542GHz |
产品C： 尺寸：18mm*18mm 介电常数：37或40 工作频率：1.57542GHz |
The existing products use the same size of the vibrator, its size: 1.4mm*7.0mm, the product surface coating with silver layer, according to the different working frequency demand, can adjust the size of the silver layer coverage to achieve different working frequencies.
Product performance
| K25 | K35 | K37 | K40 | K45 | |
| 介电常数 | 25 | 35 | 37 | 40 | 45 |
| Qf【GHz】 | 120000 | 80000 | 64000 | 40000 | 44000 |
| Q （测试频率） | 20000 (6G) |
20000 (4G) |
16000 (4G) |
13000 (4G) |
11000 (4G) |
| 密度(g/cm3) | 4.0 | 6.5 | 5.2 | - | 4.6 |
| 颜色 | 白色 | 黑色 | 浅绿 | 棕色 | 棕色 |
| 科目 | 典型性能 | 单位 |
| 中间频率 | 1575.42 | MHz |
| 极化方式 | 右旋园极化 | |
| RHCP 增益 @ Zenith | -1.5 | dBic |
| RHCP 增益 @ 10o Elevation | -1.5 | dBic |
| 轴比@ Zenith | 3 | dB |
| 驻波比VSWR | 1.6 Max | |
| 阻抗 | 50 | Ω |
| 天线尺寸 | 20X20X4 | mm |
| 规格 | 尺寸 | 频率 | 阻抗 | 材料 |
| HF1575D25AS | 25*25*4 | 1575.42MHz | 50 | K25 |
| HF1575D25BS | 25*25*2 | 1575.42MHz | 50 | K25 |
| HF1575D25AD | 25*25*4 | 1575.42MHz | 50 | K25 |
| HF1575D20AS | 20*20*4 | 1575.42MHz | 50 | K40 |
| HF1575D18AS | 18*18*4 | 1575.42MHz | 50 | K40 |
| HF1575D20BS | 20*20*2 | 1575.42MHz | 50 | K40 |
| HF1575D18BS | 18*18*2 | 1575.42MHz | 50 | K40 |
| 产品规格 | HF1575D25AS |
| 产品编号 | DA0001；DA0002；DA0003 ect. |
| 外形尺寸(mm) | 25*25*4 |
| 馈孔偏置方式 | 中心偏下 |
| 中心频率(MHz) | 1575.42MHz |
| V.S.W.R | 1.5 |
| 带宽(MHz) | 15 |
| 增益(dB) | 5 |
| 特性阻抗(Ω) | 50 |
| 极化方式 | RHCP |
| 频率温度系数(ppm/℃) | 10 |
| 用途 | GPS |
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| 产品规格 | HF1575D25BS |
| 产品编号 | DA0010 |
| 外形尺寸(mm) | 25*25*2 |
| 馈孔偏置方式 | 中心偏下 |
| 中心频率(MHz) | 1575.42MHz |
| V.S.W.R | 1.5 |
| 带宽(MHz) | 15 |
| 增益(dB) | 5 |
| 特性阻抗(Ω) | 50 |
| 极化方式 | RHCP |
| 频率温度系数(ppm/℃) | 10 |
| 用途 | GPS |
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| 产品规格 | HF1575D25AD |
| 产品编号 | DA0004 |
| 外形尺寸(mm) | 25*25*4 |
| 馈孔偏置方式 | 左下角偏孔 |
| 中心频率(MHz) | 1575.42MHz |
| V.S.W.R | 1.5 |
| 带宽(MHz) | 15 |
| 增益(dB) | 5 |
| 特性阻抗(Ω) | 50 |
| 极化方式 | RHCP |
| 频率温度系数(ppm/℃) | 10 |
| 用途 | GPS |
×
| 产品规格 | HF1575D20AS |
| 产品编号 | DA0006 |
| 外形尺寸(mm) | 20*20*4 |
| 馈孔偏置方式 | 左下角偏孔 |
| 中心频率(MHz) | 1575.42MHz |
| V.S.W.R | 1.5 |
| 带宽(MHz) | 15 |
| 增益(dB) | 5 |
| 特性阻抗(Ω) | 50 |
| 极化方式 | RHCP |
| 频率温度系数(ppm/℃) | 10 |
| 用途 | GPS |
×
| 产品规格 | HF1575D18AS |
| 产品编号 | DA0007 |
| 外形尺寸(mm) | 18*18*4 |
| 馈孔偏置方式 | 左下角偏孔 |
| 中心频率(MHz) | 1575.42MHz |
| V.S.W.R | 1.5 |
| 带宽(MHz) | 15 |
| 增益(dB) | 5 |
| 特性阻抗(Ω) | 50 |
| 极化方式 | RHCP |
| 频率温度系数(ppm/℃) | 10 |
| 用途 | GPS |
×
| 产品规格 | HF1575D20BS |
| 产品编号 | DA0008 |
| 外形尺寸(mm) | 20*20*2 |
| 馈孔偏置方式 | 左下角偏孔 |
| 中心频率(MHz) | 1575.42MHz |
| V.S.W.R | 1.5 |
| 带宽(MHz) | 15 |
| 增益(dB) | 5 |
| 特性阻抗(Ω) | 50 |
| 极化方式 | RHCP |
| 频率温度系数(ppm/℃) | 10 |
| 用途 | GPS |
×
| 产品规格 | HF1575D18BS |
| 产品编号 | DA0009 |
| 外形尺寸(mm) | 18*18*2 |
| 馈孔偏置方式 | 左下角偏孔 |
| 中心频率(MHz) | 1575.42MHz |
| V.S.W.R | 1.5 |
| 带宽(MHz) | 15 |
| 增益(dB) | 5 |
| 特性阻抗(Ω) | 50 |
| 极化方式 | RHCP |
| 频率温度系数(ppm/℃) | 10 |
| 用途 | GPS |
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