ANT-315-HESM Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – ANT-315-HETH

DATA SHEET
HE SERIES
COMPACT HELICAL
ANTENNAS
ANT-315-HE**, ANT-418-HE**
ANT-433-HE**, ANT-916-HE**
** = SM (SURFACE-MOUNT)
TH (THROUGH-HOLE)
DESCRIPTION
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.
F E AT U R E S
• 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
ORDERING INFORMATION
PART #
DESCRIPTION
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
PART #
ANT-315-HETH
ANT-418-HETH
ANT-433-HETH
ANT-916-HETH
DESCRIPTION
THROUGH-HOLE 315 MHz
THROUGH-HOLE 418 MHz
THROUGH-HOLE 433 MHz
THROUGH-HOLE 916 MHz
PERFORMANCE CHARACTERISTICS
Helical Parallel to Ground Plane
CH1 SWR
Helical Perpendicular to Ground Plane
CH1 SWR
Side View
1.5"
.25"
Surface-Mount Style
Surface Style
OD=.35"
ID=.25"
End Views Wire Diameter 0.050”
Through-Hole Style
Through-Hole Style
OD=.35"
ID=.25"
End View
Suggested Board Layout
Helical Layout Example
1.5"
.150"
.300"
Groundplane
Minimum distance
to groundplane
.50"
(916MHz)
MARKER VSWR = 3.2
MARKER VSWR = 2.8
0.200"
1.0"
Feed Trace
.18" - .090 width
.25 - .45 max. length
RADIATION PATTERN
0.110"
HE Series antenna patterns have not been fully characterized as of this
time. The patterns below illustrate typical patterns for antennas of this
type.
Perpendicular to Groundplane _{Parallel to Groundplane}
For Applications Subject to
;;_;;;;;;;;;;;; ^{Vibration or Shock}
Recipient understands any or all of the above specifications are subject to change without notice and proceeds with integration at own risk.