===Technical Documentation of the Q-Band Receiver 33 -50 GHz (S7mm)===

||Type|HEMT cooled| ||
||Channels|8 |(upper/lower band of 2 polarizations in 2 horns each)||
||Receiver Noise|30-50K |depending on frequency band: {{:electronics:rx:techinfo:noisefigures_ch1_2.pdf|channels 1&2}}  (horn A; offset horn) and {{:electronics:rx:techinfo:noisefigures_ch3_4.pdf|channels 3&4}} (horn B; main offset)||
||Frequency range|33 GHz - 50 GHz |(for details see {{:electronics:rx:techinfo:freq_conversion_plan.pdf|conversion plan}})||
||Polarization|LHC/RHC | 2 horns||
||Calibration|Noise diode| noise figures for {{:electronics:rx:techinfo:calfigures_high.pdf| high channels}} {{:electronics:rx:techinfo:calfigures_low.pdf| low channels}}||
||1. IF|5 - 10 GHz |(Synthesizer 1 = 10.75 - 13.75 GHz x 4)||
||2. IF|0 - 4 GHz |lower band (Synthesizer 21 = 10 GHz)||
||     |0 -2.5GHZ| upper band (Synthesizer 22 =  5 GHz)||

||//Synth.1 frequency for fsky at center of://|4 GHz IF|2.5 GHz IF|300 MHz IF|0.5-1 GHz IF||
||Highband (Ch.1, 3, 5, 7): fsynth.1 =|(fsky + 8.0GHz)/4|(fsky + 8.75GHz)/4|(fsky + 9.85GHz)/4|(fsky + 9.25GHz)/4||
||Lowband (Ch.2, 4, 6, 8): fsynth.1 =| |(fsky + 6.25GHz)/4|(fsky + 5.15GHz)/4|(fsky + 5.75GHz)/4||

{{:electronics:rx:techinfo:bsb_q-band_neu_web.jpg?1300|}}

Simplified {{:electronics:rx:techinfo:bsb_q-band_neu_web.pdf|Block Diagram}} of the complete receiver, (RK on 19.3.2019)

Detailed {{:electronics:rx:techinfo:q-band_receiver_system_overview_23_10_2018.pdf|Block Diagram}} of the Frontend including 1st IF (RK on 23.10.2018)

{{ :electronics:rx:techinfo:hmc-t2200_user_manual_131302.pdf |Manual}} of the HITTITE Synthesizer (SYNTH01) and {{ :electronics:rx:techinfo:hmc-t2200_family_programmers_guide_131547.pdf |programming manual}}.