Silicon Laboratories Finland WT41 WT41 Bluetooth Module User Manual antenna datasheet
Silicon Laboratories Finland Oy WT41 Bluetooth Module antenna datasheet
Contents
antenna datasheet
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 1 -
Technical Data Sheet
Of Chip Dielectric Antenna
for BT/WLAN
Note
Please confirm the latest specification for antenna shape and dimensions.
Capacitors and Inductors used in this report are as follows unless otherwise specified.
The values of each components are mentioned in the report.
In case using different series or manufactures' components, another value may be required to get the
proper result.
Capacitors: GRM15 series (Murata)
Inductors: LQG15HS series (Murata)
Kanazawa Murata Mfg.Co.,Ltd
Antenna Products Department
Antenna :
ANCG12G44SAA145
PWB size : 37x80mm
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 2 -
Measurement condition
Condition1 : L1 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
Condition2 : L2 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
0.5pF
0.5pF
6.8nH
Open
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 3 -
Condition3 : L3 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
Condition4 : L4 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
0.5pF
6.8nH
0.8pF
8.2nH
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 4 -
Condition5 : L5 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
Condition6 : L6 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
0.5pF
0.5pF 12nH
8.2nH
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 5 -
Measurement direction
Y (-90deg)
Z (0deg)
YZ plane
vertical
Z (0deg)
ZX plane
X (-90deg)
horizontal
X Y
Antenna Antenna
3D Measurement
Stargate32 (Satimo)
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 6 -
Measurement Conclusion
80mm
Condition1 Condition2 Condition3 Condition4 Condition5 Condition6
Antenna ANCG1series ANCG1series ANCG1series ANCG1series ANCG1series ANCG1series
PWB Size [mm] 37x80 37x80 37x80 37x80 37x80 37x80
Shunt [pF] 0.5 0.5 0.8 0.5 0.5 0.5
Fine tune - 6.8nH 8.2nH 6.8nH 12nH 8.2nH
Efficiency [dB]
at 2400MHz -2.3 -2.8 -2.5 -3.0 -2.1 -3.0
at 2442MHz -1.7 -1.7 -1.8 -2.3 -1.6 -2.0
at 2484MHz -2.5 -2.6 -2.7 -2.9 -2.2 -2.9
ave. at 3 Freq. -2.2 -2.4 -2.3 -2.7 -2.0 -2.7
Band Width 94MHz 93MHz 86MHz 103MHz 112MHz 80MHz
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 7 -
Measurement result
Return loss
Condition1 : L1 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
Condition2 : L2 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 8 -
Condition3 : L3 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
Condition4 : L4 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 9 -
Condition5 : L5 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
Condition6 : L6 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 10 -
Antenna gain
3D measurement
Condition1 : L1 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
[dBi] [dB]
hor. ver. hor. ver.
MAX 2.5 -7.1 1.8 -1.0
AVE
-4.5
-10.6
-4.9
-4.5
-2.3
MAX
2.9
-6.5
2.5
-0.4
AVE -3.9 -10.1 -4.5 -3.9 -1.7
MAX
2.2
-7.5
1.7
-0.7
AVE
-4.6
-10.9
-5.4
-4.5
-2.5
LINEAR
YZ-plane
Efficiency
POLARIZATION
2400
ZX-plane
MHz
2442 MHz
2484 MHz
Condition2 : L2 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
[dBi] [dB]
hor. ver. hor. ver.
MAX -0.5 -8.0 0.5 -3.0
AVE
-5.2
-13.0
-5.3
-5.8
-2.8
MAX
0.6
-6.5
1.5
-1.7
AVE -4.1 -11.6 -4.1 -4.4 -1.7
MAX
-0.5
-7.8
0.5
-2.6
AVE
-5.1
-12.4
-5.2
-5.3
-2.6
MHz
2442 MHz
2484 MHz
LINEAR
YZ-plane
Efficiency
POLARIZATION
2400
ZX-plane
Condition3 : L3 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
[dBi] [dB]
hor. ver. hor. ver.
MAX 0.6 -8.6 1.2 -1.7
AVE
-4.4
-12.5
-5.0
-4.4
-2.5
MAX
1.0
-7.1
1.5
-0.9
AVE -4.0 -11.7 -4.7 -3.7 -1.8
MAX
-0.4
-8.0
0.0
-1.9
AVE
-5.3
-12.7
-6.2
-4.8
-2.7
MHz
2442 MHz
2484 MHz
LINEAR
YZ-plane
Efficiency
POLARIZATION
2400
ZX-plane
Condition4 : L4 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
[dBi] [dB]
hor. ver. hor. ver.
MAX -0.9 -10.6 -3.3 -1.8
AVE
-4.0
-13.5
-9.5
-4.1
-3.0
MAX
-0.7
-10.5
-2.3
-1.1
AVE -3.2 -13.1 -8.6 -3.3 -2.3
MAX
-0.9
-11.2
-2.4
-1.4
AVE
-3.8
-13.8
-9.1
-3.9
-2.9
LINEAR
YZ-plane
Efficiency
POLARIZATION
2400
ZX-plane
MHz
2442 MHz
2484 MHz
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 11 -
Condition5 : L5 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
[dBi] [dB]
hor. ver. hor. ver.
MAX 0.4 -7.5 -1.6 -0.4
AVE
-3.4
-10.1
-8.0
-3.2
-2.1
MAX
0.7
-6.6
-1.3
0.2
AVE -3.0 -9.6 -7.3 -2.6 -1.6
MAX
-0.5
-7.4
-2.0
-0.5
AVE
-3.6
-10.4
-7.9
-3.2
-2.2
MHz
2442 MHz
2484 MHz
LINEAR
YZ-plane
Efficiency
POLARIZATION
2400
ZX-plane
Condition6 : L6 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
[dBi] [dB]
hor. ver. hor. ver.
MAX -0.9 -7.6 -2.6 -1.7
AVE
-4.9
-10.8
-8.7
-4.5
-3.0
MAX
0.0
-6.2
-1.1
-0.3
AVE -3.7 -9.7 -7.5 -3.3 -2.0
MAX
-1.1
-7.9
-2.0
-1.0
AVE
-4.7
-10.8
-8.5
-4.3
-2.9
LINEAR
YZ-plane
Efficiency
POLARIZATION
2400
ZX-plane
MHz
2442 MHz
2484 MHz
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 12 -
Radiation Pattern
Condition1 : L1 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
YZ plane
ZX plane
HOR. VER. HOR. VER.
MAX 2.9 -6.5 MAX 2.5 -0.4
AVE
-3.9
-10.1
AVE
-4.5
-3.9
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
Condition2 : L2 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
YZ plane
ZX plane
HOR. VER. HOR. VER.
MAX 0.6 -6.5 MAX 1.5 -1.7
AVE
-4.1
-11.6
AVE
-4.1
-4.4
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 13 -
Condition3 : L3 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
YZ plane
ZX plane
HOR. VER. HOR. VER.
MAX 1.0 -7.1 MAX 1.5 -0.9
AVE
-4.0
-11.7
AVE
-4.7
-3.7
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
Condition4 : L4 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
YZ plane
ZX plane
HOR. VER. HOR. VER.
MAX -0.7 -10.5 MAX -2.3 -1.1
AVE
-3.2
-13.1
AVE
-8.6
-3.3
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
TDSK0703-SE_BT/WLAN_6Location
May 08, 2008
Murata Proprietary, Murata Confidential - 14 -
Condition5 : L5 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
YZ plane
ZX plane
HOR. VER. HOR. VER.
MAX 0.7 -6.6 MAX -1.3 0.2
AVE
-3.0
-9.6
AVE
-7.3
-2.6
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
Condition6 : L6 Layout / Original Antenna 2x9.8xt3.8mm(L turn) / PWB 37x80mm
YZ plane
ZX plane
HOR. VER. HOR. VER.
MAX 0.0 -6.2 MAX -1.1 -0.3
AVE
-3.7
-9.7
AVE
-7.5
-3.3
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical
-30
-25
-20
-15
-10
-5
0
0
90
180
270
horizontal
vertical