# 1.905GHZ ANTENNA
**URL**: https://novapart.co/products/1905AT45A0050001E/1905ghz-antenna
**SKU**: 1905AT45A0050001E
**Manufacturer**: JOHANSON TECHNOLOGY
**Category**: Passive Components || Antennas - Single Band Chip
**Price**: €0.3950
**Stock**: 10+
**Lead Time**: 120 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (17-Jan-2023) |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:4388061/)
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"High Frequency Ceramic Solutions"
ee
1.905 GHz Antenna P/N 1905AT45A0050
Detail Specification: 07/29/2010 Page 1 of 3
PC Recommended application: DECT
General Specifications
Part Number 1905AT45A0050 Input Power 2W max.
Frequency Range 1880 - 1930MHz Impedance 50 Ω
Peak Gain 0.5 dBi typ (XZ-Total) Reel Quanity 1,000
Average Gain -1.1 dBi typ. (XZ-Total) Operating Temperature -40 to +85°C
Return Loss 9.5 dB min. +5 to +35°C, Humidity:
Storage Temperature
45-75%RH, 12 mos. Max
Packaging Bulk Suffix = S Eg. 1905AT45A0050S Terminal Configuration
P/N Style T & R Suffix = E Eg. 1905AT45A0050E No. Function
Suffix Termination 100% Tin Suffix = None Eg. 1905AT45A0050(E or S) 1 Feeding Point
Style Tin / Lead Please consult Factory 2 NC
Mechanical Dimensions 1 2
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**In mm L** 0.374 ± 0.008 9.50 ± 0.20 W **W** 0.079 ± 0.008 2.00 ± 0.20 a **T** 0.047 +.004/-.008 1.20 +0.1/-0.2 L T **a** 0.020 ± 0.012 0.50 ± 0.30 ~~—~~ —
## **Mounting Considerations**
Mount these devices with brown mark facing up. Units: mm
* Line width should be designed to provide 50 Ω impedance, depending on PCB material and thickness.
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2.7nH GND 7
* 1.3
Fn.
3.3nH i
8.5
GND 1.3
2.0
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Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
## **www.johansontechnology.com**
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2010 Johanson Technology, Inc. All Rights Reserved
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"High Frequency Ceramic Solutions"
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1.905 GHz Antenna P/N 1905AT45A0050
Detail Specification: 07/29/2010 Page 2 of 3
Typical Electrical Characteristics (T=25 [o] C)
50 Ω Feed Line
) ) Test Board ) ) 40mm 7mm
) ) ) |<—>}
5 O O O O ) O O X) O e O O O O O O O O O
:
: O |i io
5
20mm 0 () Oo (JO 90000000
Antenna
Return Loss Ground 19mm No Ground
a) With matching circuits for 1880~1930MHz
m1 m2 m3
dB(S(1,1))=-10.425} |AB(S(1,1))=-38.587} |dB(S(1,1))=-10.738
ft) “o~
)
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- Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
**www.johansontechnology.com**
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2010 Johanson Technology, Inc. All Rights Reserved
## _**"High Frequency Ceramic Solutions"**_
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1.905 GHz Antenna
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Detail Specification: 07/29/2010
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P/N 1905AT45A0050
Page 3 of 3
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Typical Radiation Patterns
) ) )
) XY cut @1.905GHz
) ) ) XY-V/XY-H Z Vertical Horizontal
)
ec Ts 180°
X
90°
a~~ ——_ —__-” 270°
Y 0°
XY-cut scanning direction
XZ-V/XZ-H XZ cut @1.905GHz
A Y Vertical
Horizontal
180°
90° 6---30--4) X
~ yl Z 0° age 270°
XZ-cut scanning direction
)
YZ cut @1.905GHz
YZ-V/YZ-H X Vertical
Horizontal
f 180°
Y
90° (---96--5
SL 7 270°
Z 0°
YZ-cut scanning direction
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Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
**www.johansontechnology.com**
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2010 Johanson Technology, Inc. All Rights Reserved
## Links
- [View this product on Novapart](https://novapart.co/products/1905AT45A0050001E/1905ghz-antenna)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/johanson-technology/1905at45a0050001e/1-905ghz-antenna/dp/4388061)
---
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