scuba
Member level 1
my probject is resistive mixer and its configuration is double banlance. I study
"26.5–30-GHz Resistive Mixer in 90-nm VLSI SOI CMOS Technology With High Linearity for WLAN" by Frank Ellinger
,IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. 53, NO. 8, AUGUST 2005
then i connect the single end mixer to double banlance. then i find when i got Convertion loss about 11dB but my return loss is 2~5dB at RF,IF,LO port.
I confuse when i tuning return loss about 15dB at RF IF port ,my Convertion loss got bad (about 20dB) .
what's going on?
Added after 3 hours 8 minutes:
sorry . I used it as SUBHARMONIC QUADRATURE MIXER.
reference"Monolithic Ka-band Even-Harmonic Quadrature Resistive Mixer for Direct Conversion Receivers" K. S. Ang 2001
IEEE Radio Frequency Integrated Circuits Symposium
does anybody konw what Ishould I do?
"26.5–30-GHz Resistive Mixer in 90-nm VLSI SOI CMOS Technology With High Linearity for WLAN" by Frank Ellinger
,IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. 53, NO. 8, AUGUST 2005
then i connect the single end mixer to double banlance. then i find when i got Convertion loss about 11dB but my return loss is 2~5dB at RF,IF,LO port.
I confuse when i tuning return loss about 15dB at RF IF port ,my Convertion loss got bad (about 20dB) .
what's going on?
Added after 3 hours 8 minutes:
sorry . I used it as SUBHARMONIC QUADRATURE MIXER.
reference"Monolithic Ka-band Even-Harmonic Quadrature Resistive Mixer for Direct Conversion Receivers" K. S. Ang 2001
IEEE Radio Frequency Integrated Circuits Symposium
does anybody konw what Ishould I do?