W3126 Datasheet, PDF (3/4 Pages) Pulse A Technitrol Company – ISM 315MHz Helical Antenna

W3126 Datasheet version 1.0 ISM 315MHz Helical Antenna. (05/14)
ISM 315MHz Helical Antenna
Ground cleared under antenna, clearance area 8.50 x 40.00 mm. Pulse Part Number: W3126
Typical Electrical Characteristics (T=25 °C)
Typical Return Loss S11/ impedance,
Ground Clea_Mran_ece_aA_sre_ua_r(_e8.5_d0 x_o4_n0.0_t0_hm_em₁) _00x40m^Fe_m^{ed l}_tⁱⁿ_e^e_s⁵⁰_t ^Ω_{board with tuning and matching circuit}
all metallization should be removed from
all PWB layers
0 Ω 33 nH
10 nH
ISIMSM31351M5MHHz z
232O3cOt 2ct0200700760:469:4:597:57
CHC1HS11S11lo1^Ggl^ro^oMg^uAⁿM^dGA^vG^{ia ho}5^led5Bd/RBE/RFE0Fd0BdB
CHC1HM1aMrkaerrksers
1. 1-1.6-1.960.920d2BdB31351M5 HMzHz
2. 2-1.4-1.841.821d2BdB31341M4 HMzHz
3. 3-1.4-1.644.624d2BdB31361M6 HMzHz
PRPmRm
DeDl el
CoCr or
40 mm
11
2323
ISIMSM31351M5MHHz z
1. 16.16.816.816Ω1 Ω -10-1.201.211Ω1 Ω
232O3cOt 2ct0200700760:560:5:100:1_A0_{ntenna feed 31351M5 HMzHz}
point (under 2. 27.07.904.914Ω1 Ω 5.356.3633Ω3 Ω
CHC1HS11S1111U1 FUSFS the antenna) 3. 34.94.097.067Ω6 Ω -18-1.485.415Ω1 Ω
47417.716.7p6FpF
31341M4 HMzHz
31361M6 HMzHz
PRPmRm
DeDl el
CoCr or
Inductor for
frequency fine
tuning, in this
case 0 ohm
jumper, series
Inductor for
frequency rough
tuning, 33 nH,
series
4.00
Inductor for
S11 matching,
10nH, shunt
11
22
Note: Exact matching and tuning
3 3components value depend on
application, board size, cover etc.
CECNETNETRE3R1351.050.0000000M0 HMzHz
0 Ω 33 nH
10 nH
SPSAPNA1N0100.000.0000000M0 HMzHz
35.35
2
M_0Oh0a_mOht_mching Circuit Details
6.8 6n.H8 nH
Antenna feed
point (under
the antenna)
Inductor for
ø
2.50
frequency fine
tuning, in this
case 0 ohm
jumper, series
Scale 3:1
.00
Inductor for
frequency rough
tuning, 33 nH,
series
Inductor for
S11 matching,
10nH, shunt
4.15
Note: Exact matching and tuning
components value depend on
application, board size, cover etc.
25.00
ø _2.50
CECNETNETRE3R1351.050.0000000M0 HMzHz
ø 5.00
ø _7.00
SPSAPNA1N0100.000.0000000M0 HMzHz
Pulse Finland Oy
ø 5.00 _{Takatie 6}
90440 Kempele, Finland
7.00
Tel: [phone]
Fax: [phone]
www.pulseeng.com/antennas
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