A Wideband, Sharp Roll-Off U-Band Diplexer in Suspended Stripline Technology

Figure 12

(a) Current distribution on first element of both filters connected by common input T-junction at 40 GHz. (b) S-parameter simulation result of designed diplexer in frequency band of 30-40 GHz showing undesirable resonance at 31.2 GHz.

(a)

(b)