Filters: AKF-1938
AKF-1938 3.8 GHz IF BAW Filter
Akoustis’ AKF-1938 is a high performance, ultra-small passband BAW Filter targeting 5G infrastructure, radar and general-purpose applications. AKF-1938 utilizes Akoustis’ XBAW technology which provides leading RF filter performance. This BAW filter provides 100 MHz bandwidth, low insertion loss at 3.8GHz and high out of band attenuation. AKF-1938 is assembled in hermetic sealed package and is compatible with high volume, lead-free SMT soldering processes.
Features
- Ultra small form factor 2.5mm x 2.0mm x 0.8mm
- Single ended 50 Ohm Ant, Tx/Rx ports
- High out of band attenuation
- High power handling, maximum +27dBm
- Low insertion loss 100 MHz passband filter
- Performance -40 C to +85C
- Hermetically sealed
Parameters
|
Parameter |
Units |
Min. |
Typ. |
Max. |
|
|
Center Frequency (Fc) |
MHz |
3830 |
|||
|
Pass Bandwidth |
MHz |
90 |
100 |
||
|
Insertion Loss of Pass Bandwidth |
dB |
1.8 (1) |
3 |
||
|
Amplitude Variation(2) |
|||||
|
3780 – 3880 MHz |
dB ptp |
1.0 |
1.5 |
||
|
Attenuation |
|||||
|
0 – 2880 MHz |
dB |
40 |
42 |
||
|
2880 – 3720 MHz |
dB |
45 |
50 |
||
|
3960 – 4000 MHz |
dB |
45 |
50 |
||
|
4000 – 4800 MHz |
dB |
45 |
50 |
||
|
4800 – 7640 MHz |
dB |
40 |
45 |
||
|
7640 – 9500 MHz |
dB |
40 |
45 |
||
|
Return Loss of Pass Bandwidth |
11 |
16(1) |
|||
|
Operating Temperature |
°C |
-40 |
85 |
||
|
Load Impedence |
Ohm |
50 |
|||
|
Power Handling – CW |
dBm |
|
27 |
Note:
1. S-parameter averaged over specified pass band frequency at room
2. Amplitude ripple defined peak-to-valley difference over specified pass band
