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--- electronics:rx:techinfo:documentation_p500mm [2020/12/15 17:16]
rkeller
+++ electronics:rx:techinfo:documentation_p500mm [2022/05/10 14:14] (current)
rkeller
@@ Line 1: / Line 1: @@
 Technical Documentation of 50cm 300-900 MHz (P500)
 |Type|HEMT LNA, unclooled|
-|Channel|2|
+|Channels|2|
-|Tsys|300K(Trec~150K|
+|Tsys|300K(Trec~150K)|
 |RF Frequency Range|300-900 MHz|
-|Band Width RF Filter|300 - 505 MHz|
+|Band Width RF Filters wide band|300 - 505 MHz|
 |->|608 - 685  MHz|
-|->|790 - 915 MHz)|
+|->|790 - 915 MHz, all parallel|
+|Band Width RF Filter 400 MHz band|401 - 405 MHz|
+|Band Width RF Filter 600 MHz band|608 - 614 MHz|
 |1. Local Oscillator|ULO1 = 1250-1850 MHz|
 |1. IF|2100 - 2200 MHz|
-|2. Local Oscillator|ULO2 = 2000MHz fixed|
+|2. Local Oscillator|ULO2 = 1400MHz fixed|
-|2. IF|100 - 200 MHz|
+|2. IF|500 - 1000 MHz|
 |Polarization|LHC and RHC|
 |Calibration|Noise Diode|
 |Feed|11-Feed from DRAO|
-|Output|300 - 900 MHz|
+|Output|300 - 900 MHz direct or 500 - 1000 MHz with IF converter|
 ====== Block Diagram ======
+==== Receiver ====
 {{:electronics:rx:techinfo:bsb_geradeaus-rx_50cm_20201211.jpg|}}
-{{:electronics:rx:techinfo:p500mm_ifa_block_diagram.jpg|}}
+==== IF Converter ====
+{{:electronics:rx:techinfo:bsb_up_downconverter_vlba_2250_reduziert.jpg|}}

Effelsberg 100m Teleskop