Quadrifilar IC

Quadrifilar IC
4-Phased Antenna Feeder



Quadrifilar IC

Patent pending
 
 Sample Available Now

Features
● Ultra small size:3X3(mm)
● Excellent phase & amplitude balance
● Excellent repeatability
● Passive RF IC,no need external DC power supply
● With internal 50 ohm termination ( no need external termination )
● Built with leading edge RFIC design technology
● Have one Input port and four Outport ports that
   have -6dB -(0°,90°,180°,270°) of phase difference
● Quadrifilar Coupler、 4-Phased Antenna Feeder、
   Helicaled Antenna Feeder
● Operating temperature: -40℃ to +85℃
● Tape & Reel

Applications
●Realizing the World's Most Compact High Precision GNSS Antenna
(GPS, Beidou, Galileo, Glonass)

● For all the items of above series, samples, small orders(several hundred to several thousand quantities) and bulk orders(10Kpcs) are all available now. For the demand for quantities above 10Kpcs, pls contact our sales representative.

Specifications

Note: For military product, the suffix"J" is added to the Part No. (For example: QF0900Q06AJ ) .
However, no such suffix for commercial product.
Part No.
Freq.Range
(MHz)
fL- fU
Return Loss
(dB)
Insertion Loss
(dB)
Amplitude Balance
(dB)
Phase
Balance
(degrees)
Isolation
(dB)
Power
(W)
Size
L×W
(mm)
Package
type
865~930
7-13
1.95
±0.6
0~+6
9-20
5
3×3
A
910~930
10-13
1.50
±0.4
0~+6
9-18
865~930
7-13
1.95
±0.6
0~+6
9-20
5
3×3
B
910~930
10-13
1.50
±0.4
0~+6
9-18
1165~1300
11-40
1.15
±0.5
0~+9
9-17
5
3×3
A
1205~1278
12-40
1.05
±0.4
0~+9
10-16
1165~1300
11-40
1.15
±0.5
0~+9
9-17
5
3×3
B
1205~1278
12-40
1.05
±0.4
0~+9
10-16
1520~1660
11-27
1.02
±0.9
0~+8
9-18
5
3×3
A
1560~1620
12-26
0.94
±0.75
0~+8
9-17
1520~1660
11-27
1.02
±0.9
0~+8
9-18
5
3×3
B
1560~1620
12-26
0.94
±0.75
0~+8
9-17
1980~2200
8-20
2.0
±0.9
-8~+10
7-20
5
3×3
A
2090~2200
11-20
1.50
±0.9
-8~+10
7-18
1980~2200
9-23
1.90
±1.0
-9~+6
7-21
5
3×3
B
2079~2200
11-23
1.50
±1.0
-9~+6
8-19
2400~2600
10
1.3
±0.5
-10~+6
10
5
3×3
A
2400~2600
10
1.3
±0.5
-10~+6
10
5
3×3
B
 
 

Features
● Ultra small size:4×4(mm)
● Excellent phase & amplitude balance
● Excellent repeatability
● Passive RF IC,no need external DC power supply
● With internal 50 ohm termination ( no need external termination )
● Built with leading edge RFIC design technology
● Have three Input port and twelve Outport ports that
   have -6dB -(0°,90°,180°,270°) of phase difference
● Quadrifilar Coupler、 4-Phased Antenna Feeder、
   Helicaled Antenna Feeder
● Operating temperature: -40℃ to +85℃
● Tape & Reel

Applications
●Realizing the World's Most Compact High Precision GNSS Antenna
(GPS, Beidou, Galileo, Glonass)

Part No.
Channel
Freq.Range
(MHz)
fL- fU
Return Loss
(dB)
Insertion Loss
(dB)
Amplitude Balance
(dB)
Phase
Balance
(degrees)
Isolation
(dB)
Power
(W)
Size
L×W
(mm)
Channel A
1165~1300
11-40
1.15
±0.5
0~+9
9-17
4
4×4
Channel B
1520~1660
11-27
1.02
±0.9
0~+8
9-18
Channel C
2400~2600
12
1.45
±0.9
-10~+6
9
Channel A
1520~1660
11-27
1.02
±0.9
0~+8
9-18
4
4×4
Channel B
1980~2200
10-24
1.50
±0.9
-12~+5
7-20
Channel C
2400~2600
12
1.45
±0.9
-10~+6
9
 
◆Application Note
 
◆Reliability Test