ANT-868-JJB-xx DATA SHEET
Product Dimensions
0.28”
(7.0)
Description
The JJB Series packs near the performance of a
conventional monopole into an incredibly compact
quarter-inch (7mm) diameter package. These
antennas are ideal for any OEM application requiring
a compact, cosmetically-attractive, low-cost antenna
solution. The antenna features a through-hole feedline
that can attach directly to a user’s PCB. Internal or
external mounting is possible.
0.35”
(9.0)
0.69”
(17.6)
0.34”
(8.6)
0.08”
(2.0)
0.04”
(1.0)
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Features
Very low cost
Ultra-compact package
Easily concealed internally
Good for internal or external mounting
Excellent performance
Omni-directional pattern
Use with plastic* or metal enclosures
* Requires proximity ground plane
Electrical Specifications
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0.22”
(5.5)
0.06”
(1.5)
0.22”
(5.5)
Center Freq.
Bandwidth
Wavelength
VSWR
Impedance
Connection
868MHz
25MHz
1/4-wave
<2.0 typ. at center
50 ohms
Direct solder
0.57”
(14.5)
RA electrical specifications and plots measured on a 1.50” x 3.30” ground plane
ST electrical specifications and plots measured on a 3.50” x 3.50” ground plane
Ordering Information
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ANT-868-JJB-RA (Right-Angle)
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ANT-868-JJB-ST (Straight)
Recommended Mounting
-RA Style
No ground plane or traces
under the antenna
0.048” plated hole
Ground plane on bottom
layer for counterpoise
50-ohm microstrip line
VSWR Graph
S11 SWR
1.423
1.658
CENTER 868.000MHz
ST
SPAN
100.000MHz
CENTER 868.000MHz RA
Typical VSWR
Antenna Factor
159 Ort Lane Merlin, OR 97532
www.antennafactor.com
541-956-0931 (phone) 541-471-6251 (fax)
Rev 07-22-08
PCB设计
京公网安备 11010802033920号
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