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Specification for a 915MHz Bandpass Filter
MtronPTI P/N UF9408R
I. General & Electrical Requirements:
1. Center Frequency (FC): 915MHz
2. Passband Insertion Loss (includes Passband Ripple):
3.1dB maximum: 904MHz to 924MHz
5.0dB maximum: 924MHz to 926MHz
3. Return Loss:
15dB minimum: 904MHz to 924MHz
10dB minimum: 924MHz to 926MHz
4. Attenuation:
@ 880MHz: 50dB minimum
@ 894MHz: 50dB minimum
@ 902MHz: 6dB minimum
@ 928MHz: 12dB minimum
@ 929MHz: 15dB minimum
@ 936MHz: 40dB minimum
1904MHz to 1924MHz: 85dB minimum
2856MHz to 2886MHz: 65dB minimum
5. Input Power Level: 5-watt maximum
6. ZIN/ZOUT: 50Ω nominal
II. Environmental & Physical Requirements:
1. Temperature:
Operating: -40°C to +80°C
Storage: -45°C to +85°C
2. Humidity (Operating): 10% to 95% non-condensing
3. Vibration (Survival):
Per MIL-STD-810E
ASTM 4159 Truck Transport 11.5.2 Assurance Level 2
4. RoHS: Full RoHS Compliance
III. Package & Marking Requirements:
1. Size: Per Figure 1
2. Connectors: SMA Jack (2 locations)
3. Packaging for Shipment:
4. Marking: Per Figure 1
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Specification for a 915MHz Bandpass Filter
MtronPTI P/N UF9408R
Figure 1: Package Dimensions & Marking
IV. Design Simulations Plot:
m2
freq= 904.0MHz
dB(S(2,1))=-2.837
m6
freq= 928.0MHz
dB(S(2,1))=-24.150
m5
freq= 902.0MHz
dB(S(2,1))=-13.174
0
m3
freq= 924.0MHz
dB(S(2,1))=-2.015
m1
freq= 915.0MHz
dB(S(2,1))=-1.248
m8
freq= 894.0MHz
dB(S(2,1))=-54.653 m2
m1
m4
freq= 926.0MHz
dB(S(2,1))=-4.026
m7
freq= 929.0MHz
dB(S(2,1))=-40.923
m9
freq= 936.0MHz
dB(S(2,1))=-53.042
m3m4
m5
m6
dB(S(2,1))
dB(S(1,1))
-20
m7
-40
m9
m8
-60
-80
890
900
910
920
930
940
950
freq, MHz
V. Datasheet Revision Table:
Date
01/03/13
12/11/12
7/9/12
Rev.
2
1
0
Author
BRM
BRM
BRM
Details of Revision
Modified the Input Power Level specification to read 5-watts maximum and a terminating impedance specification point.
Added an Input/Output Impedance specification point.
Original Release.
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