ANT-418-HESM [ETC]
ANT-315-HETH;
| 型号： | ANT-418-HESM |
| 厂家： | 
ETC |
| 描述： | ANT-315-HETH |
| 文件： | 总1页 (文件大小：86K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
D ATA SH EET
ANT-315-HE**, ANT-418-HE**
ANT-433-HE**, ANT-916-HE**
HE SERIES
COMPACT HELICAL
ANTENNAS
** = SM (SURFACE-MOUNT)
TH (THROUGH-HOLE)
D ESCRIP TIO N
In low-cost RF applications a whip antenna generally provides the best
overall performance. In many cases, however, the use of a whip is not
practical for cost or cosmetic reasons. In instances where a designer is
looking for a blend of easy concealment, low cost and good
performance, a helical antenna is usually the optimum choice. The HE
series from Linx delivers exceptional performance and ease of use,
while maintaining a cost factor appropriate for high-volume
applications. Linx helical antennas are precisely wound and matched to
provide the lowest possible SWR at the operational frequency. In
addition, the antenna diameter and inter-coil spacing are optimized to
provide a wider than typical bandwidth.
Side View
1.5"
.25"
Surface-Mount Style
Surface Style
OD=.35"
ID=.25"
End Views
Wire Diameter 0.050”
F EATURES
•
•
•
•
Compact design for easy concealment
High-grade phosphoric bronze construction
Precision wound for consistent performance
Surface-mount or through-hole styles
•
•
•
Low physical impedance
Rugged construction
Very low cost in volume
Through-Hole Style
Through-Hole Style
OD=.35"
ID=.25"
ORDERING INFORMATION
PART #
DESCRIPTION
PART #
DESCRIPTION
End View
ANT-315-HESM SURFACE-MOUNT 315 MHZ
ANT-418-HESM SURFACE-MOUNT 418 MHZ
ANT-433-HESM SURFACE-MOUNT 433 MHZ
ANT-916-HESM SURFACE-MOUNT 916 MHZ
ANT-315-HETH THROUGH-HOLE 315 MHz
ANT-418-HETH THROUGH-HOLE 418 MHz
ANT-433-HETH THROUGH-HOLE 433 MHz
ANT-916-HETH THROUGH-HOLE 916 MHz
Suggested Board Layout
Helical Layout Example
1.5"
.300"
PERFORMANCE CHARACTERISTICS
Minimum distance
to groundplane
.50"
.150"
Helical Parallel to Ground Plane
Helical Perpendicular to Ground Plane
CH1
SWR
CH1
SWR
Groundplane
(916MHz)
Feed Trace
.18" - .090 width
.25 - .45 max. length
0.200"
1.0"
MARKER VSWR = 3.2
MARKER VSWR = 2.8
0.110"
RAD IATIO N PATTERN
HE Series antenna patterns have not been fully characterized as of this
time. The patterns below illustrate typical patterns for antennas of this
type.
For Applications Subject to
Vibration or Shock
Perpendicular to Groundplane
Parallel to Groundplane
Recipient understands any or all of the above specifications are subject to change without notice and proceeds with integration at own risk.
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