Static Microwave Filters

Indiana Micro’s (IM) custom static filters are designed and built to your specifications. IM’s customer static filters are great for applications where size is a critical design factor, such as in handheld and airborne electronics.
IM’s custom static filters include:

  • Poles: up to 9 or more
  • Insertion Loss: typically less than 3 dB
  • Center frequencies (fc): 2 GHz  to 50 GHz
  • Bandwidth percentage (Δf/ fc): up to 200%
  • Dimensions (LxWxD): typically less than 20 mm x 10 mm x 2 mm
  • Volume: typically less than 0.4 cm3 or 400 mm3
  • Power handling: 1 Watt approximately
  • Substrate: Low temperature co-fired ceramic (LTCC)

 

A CAD drawing and photo of an actual five (5) pole bandpass filter is shown at the right. The specifications for this filter are:

Insertion Loss
2 dB
fc
250 MHz
f1 @ 3 dB
470 MHz
f2 @ 3 dB
40 MHz
Δf
430 MHz
Bandwidth Percentage (BW%)
172%
Number of Poles
5
Substrate
LTCC
Dimensions L x W x D (mm)
10.1 x 5.1 x 2.4
Volume
0.124 cm3 (124 mm3)


The frequency response graph is also shown. IM can design and build filters with comparable package sizes with filter orders of 9 or more poles.

 

For more information on static microwave filters, contact Eric Hoppenjans (tel: +1-765-237-3397, Eric@IndianaMicro.com)

Static Microwave Filter

CAD Drawing of 5 Pole Static Filter

 

Static Microwave Filter

Size Reference for 5 Pole Static Filter



Static Microwave Filter

Static 5 Pole Filter Response Graph