The BPF-LMT-900-05 is an integrated transmits and receives Band Pass Filter, designed for use in GSM 900 frequency bands. Along with the unique characteristics of this filter with high selectivity and small physical size, the attributes provide the cellular operators with the cost effective solution where filtering is required. The BPF-LMT-900-05 is used to filter unwanted carrier frequencies introduced from closer bands like CDMA 800 etc.
Performance characteristics :
The above plot displays the typical graph for insertion loss & return loss.
A ) Rx Channel
|
|
1.) Pass Band: Insertion Loss
|
890.0 - 915 MHz |
2.) 890 - 892 MHz:
|
2.0 dB Typ , 3.5 dB Max |
3.) 892 - 895 MHz:
|
0.7 dB Typ , 1.0 dB Max |
4.) 895 - 915 MHz:
|
0.6 dB Typ, 1.0 dB Max |
Return Loss:
|
18 dB Min. |
B) Tx Channel
|
|
| 1.) Pass Band: |
935.0 - 960.0 MHz |
| 2.) Insertion Loss: |
0.4 dB Typ, 0.55 Max |
| 3.) Return Loss: |
18.0 dB Min. |
Rejection
|
|
869 - 889 MHz:
|
30.0 dB Min. |
| Impedance: |
50 Ω |
| Connectors (I/O): |
7/16 DIN (F) |
| Dimensions: |
176 mm X 73 mm X 74 mm.(LBH) |
| Temperature Range: |
- 5deg to + 45deg C |
Power Handling:
|
100 Watt Average Single Carriers |
| 800 Watt Peak, Instantaneous Environment: |
Indoor |
Lightening Protection:
|
DC Ground (Stud) Provided |
| Finish: |
Silver Plated Al, Powder Coated / Spray Coated, outer Finish |
Weight:
|
2.2 kgs (Approx.) |
The above plot displays the typical graph for insertion loss & return loss.
The following markers are displayed
| MARKER |
FREQUENCY |
INSERTION LOSS |
RETURN LOSS |
M1
M2
M3
M4
M5
M6
M7 |
886.8
889.0
890.0
898.0
915.0
935.0
960.0 |
39.2 dB
4.0 dB
2.3dB
1.2dB
0.6dB
0.4dB
0.38dB |
2 dB
10dB
22dB
25dB
26dB
23dB
29dB |
BPF-LMT-900-05 Being Tuned On Network Analyzer |
Final Assembly Of Mounting Plates On The Filter Bod |
| |
|
 |
 |
|
