===Technical Documentation of the K-Band Receiver 18 - 26.5 GHz (S14mm)===

||Type|HEMT cooled| ||
||Channels|28 |upper/lower band of 2 polarizations in 2 horns each + 20 zoom bands||
||Receiver Noise|18K | ||
||Frequency range|18 GHz - 26.5 GHz | ||
||Polarization|LHC/RHC | 2 horns||
||Calibration|Noise diode |5 MHz phase cal  ||
||1st IF|5.6 - 10 GHz |  ||
||2nd IF lower band|0 - 4 GHz |0 - 2.5 GHz| 0 - 300 MHz| |fsynth.21 = 10 GHz||
||2nd IF upper band|   |0 - 2.5 GHZ| 0 - 300 MHz| |fsynth.22 = 5.6 GHz||
||//Synthesizer 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...) fsynth.1,3,5...: |fsky - 8 GHz |fsky - 8.75 GHz|fsky - 9.85 GHz|fsky - 9.25GHz|  (preset 16.0 GHz)||
||Lowband (Ch.2, 4, 6...): fsynth.2,4,6...: |  |fsky - 8.75 GHz|fsky - 9.85 GHz|fsky - 9.25GHz|  (preset 12.4 GHz)||
{{:electronics:rx:techinfo:bsb_k-band_neu_web_red.jpg?1500|}}

Simplified {{:electronics:rx:techinfo:bsb_k-band_neu_web_red.pdf|Block Diagram}} of the complete receiver, (RK on 15.3.2019)

{{:electronics:rx:techinfo:ku-band_2-konverter.pdf|Block Diagram}} of the 2nd IF conversion, (CK on 8.3.2019)

{{:electronics:rx:techinfo:k-band_synthesizer_adressen_und_frequenzschema_20140724.xlsx|Adresses and switch positions}} of the synthesizer and switches, (CK on 27.4.2014)

S14MM(K Band)-**LHC**-Horn A {{:electronics:s14mm_k_band_-lhc-_frequency_conversion.pdf|Frequency Conversion plan}} for 22 GHz Sky Frequency

S14MM(K Band)-**RHC**-Horn A {{:electronics:s14mm_k_band_-rhc-frequency_conversion.pdf|Frequency Conversion plan}} for 22 GHz Sky Frequency