前饋電拋物面天線,顧名思義,其饋源相位中心在拋物面的焦點(diǎn)上。
前饋電拋物面天線結(jié)構(gòu):由天線反射面、饋源支桿、饋源、天線座架、調(diào)整機(jī)構(gòu)等部件組成,天線反射面與天線背架凹凸配合,天線背架連接在天線座架上,饋源支桿連接在反射面邊緣處,饋源通過饋源托架安裝在饋源支桿的上部,天線拉桿兩端固定于天線反射面和饋源支桿上。
饋源形式為波紋喇叭、雙模喇叭、加脊喇叭、對數(shù)周期,寬頻帶輻射器等。
【產(chǎn)品指標(biāo)】
產(chǎn)品型號 |
頻率范圍 (GHz) |
增益范圍 (dB) |
波束 (°) |
副瓣 (dB) |
駐波(Max.) |
尺寸(mm) |
連接 方式 |
|
Φ |
H |
|||||||
GJ-PA-0.8/2-30/36-N |
0.8~2 |
30~36 |
4.6~1.7 |
-20 |
2.3 |
5 800 |
2 400 |
N-50K |
GJ-PA-1/2-18/24-N |
1~2 |
18~24 |
16.0~8.0 |
-20 |
2.0 |
1 200 |
500 |
N-50K |
GJ-PA-2/4-25/31-N |
2~4 |
25~31 |
8.0~4.0 |
-20 |
1.8 |
1 200 |
450 |
N-50K |
GJ-PA-2/6-34/42-N |
2~6 |
34~42 |
2.9~0.8 |
-20 |
2.0 |
3 700 |
1 500 |
N-50K |
GJ-PA-2/8-25/36-N |
2~8 |
25~36 |
8.0~2.0 |
-20 |
2.5 |
1 200 |
450 |
N-50K |
GJ-PA-3.1/3.5-26.5/27.5-N |
3.1~3.5 |
26.5~27.5 |
9.5~6.2 |
-20 |
2.0 |
1 000 |
500 |
N-50K |
GJ-PA-4.4/4.8-28-S |
4.4~4.8 |
≥ 28 |
6.2~5.4 |
-20 |
1.7 |
800 |
600 |
FDP48 |
GJ-PA-4/6-28/32.2-N |
4~6 |
28~32.2 |
5.5~4.5 |
-20 |
2.0 |
1 000 |
550 |
FDP48 |
GJ-PA-4/6-31.5/35-N |
31.5~35 |
4.9~2.6 |
1 400 |
550 |
FDP48 |
|||
GJ-PA-6/8-34/37-S |
6~8 |
34~37 |
2.7~2.0 |
-20 |
1.5 |
1 200 |
450 |
SMA-50K |
GJ-PA-6/18-38/30-S |
6~18 |
30~38 |
1.8~0.6 |
-20 |
1.8 |
1 950 |
820 |
SMA-50K |
GJ-PA-6.5/18-24/31-S |
6.5~18 |
24~31 |
7.7~3.1 |
-20 |
2.8 |
368 |
160 |
SMA-50K |
GJ-PA-7.5/18-26/33-S |
7.5~18 |
26~33 |
7.0~3.5
|
-20 |
2.8 |
368 |
160 |
SMA-50K |
GJ-PA-8/12-26.7/30-S |
8~12 |
26.7~30 |
6.7~4.5 |
-20 |
2.5 |
400 |
280 |
SMA-50K |
GJ-PA-8/12-31/33.2-S |
31~33.2 |
4.9~3.5 |
-21 |
2.5 |
70 |
320 |
SMA-50K |
|
GJ-PA-8/12-33/34.5-S |
33~34.5 |
3.2~2.4 |
-21 |
2.5 |
800 |
360 |
SMA-50K |
|
GJ-PA-8/18-31.2/37.9-S |
8~18 |
31.2~37.9 |
4.0~1.8 |
-20 |
2.5 |
600 |
240 |
SMA-50K |
GJ-PA-12/18-44/47-S |
12~18 |
44~47 |
1.35~0.9 |
-20 |
2.0 |
1 200 |
400 |
SMA-50K |
GJ-PA-18/26-33/36-S |
18~26 |
33~36 |
2.9~2.0 |
-20 |
2.0 |
368 |
160 |
SMA-50K |
GJ-PA-18/40-33/37-S |
18~40 |
33~37 |
2.9~2.0 |
-20 |
2.5 |
368 |
160 |
SMA-50K |