Tuning range of receiver LO chains

Record of receiver insert changes for 2006
Click here for digital PLL board info
yellow cells = motorized
Antenna Cryostat Receiver Gunn Oscillator (GHz) Multiplier (factor) LO tuning range (GHz)
click number for coarse Treceiver plots (PDF) as measured on Mauna Kea (unit 1 is in Cambridge) click Rx band for detailed Treceiver plots (JPG/GIF) as measured on Mauna Kea click for tuning sheet click for tuning sheet
(unless otherwise noted,
230 LO mesh is 333 lpi,
and 345 mesh is 500 lpi)
add (4-6) GHz for the correlator USB bandpass
subtract (4-6) GHz for the correlator LSB bandpass
Antenna 1 (09-Sep-2004) 1 (as of 24Apr2006) 200B (28-Apr-2003)
C-9 M95104 B34N9 108 ohm
H221
(manufacturer: 98-136,
motor table: 90-130)
MU2-04-T#109: page 1   page 2   page 3   (x2) 180-260
(no fringes at 188.8)
300D
940726 B11N1 Rt=96ohm, Rn=26ohm, HEMT C-41 (as of 26Sep2005)
H449 (83-122) ZM-300-1 (x3) (237-360) 241.5-357
600D (24-Apr-2004)
YCF2020 0401 M010920 B34 N5 48 ohm
RPG-600-5 (100-116) RPM-600-5 600-696
Antenna 2 (09-Sep-2004) 4 (as of 24Apr2006) 200-A
C45 M951004 B64N9 118 ohms
H226
(manufacturer: 100-126,
motor table: 86-125.5)
MU2-04-TS #111 / page 2 / page 3 (x2) 172-251
300-B
M001002 B5N9 Rt=92ohm, Rn=32ohm, HEMT C-62 (as of 26Sep2005)
H188 (87-119) RPG-2001-055 261-354
600-E (24-Apr-2004)
YCF 6008 M010920 B34N8 48ohms
RPG-600-3 (100-116) RPM-600-3 600-696
Antenna 3 (09-Sep-2004) 3 (as of 24Apr2006) 200-F
931117 B3N4 107 ohm Amp C-9
H225
(manufacturer: 98-123,
motor table: 86-121)
MU2-04-T#122 (x2) 172-242
300-F
Amp C-13?, M001002 B5N8 Rt=88ohm, Rn=32ohm (as of 26Sep2005)
H448 (81-120)RPT-300-1
(333 lpi mesh)
243-357
600-F (24-Apr-2004)
Amp C-19 M010920 B24 N12 47 ohm
RPG-600-2 (100-116) RPM-600-2 600-699
Antenna 4 (09-Sep-2004) 7 200C (09-May-2003)
107 ohm C-43
H220
(manufacturer: 100-121,
motor table: 93-120.9)
MU2-04-2TS#110 / page2 (x2) 186-242
300C
M001001 B5N9, Rt=90ohm, Rn=21ohm, HEMT=NRAO-proto-4 (as of 26Sep2005)
H450
(manufacturer: 82-119,
motor table: 82-117)
RPG M116-3
(333 lpi mesh)
249-351
400A
H418 Virginia Diodes WR5x2-20 (x4) 320-430
600G
RPG-600-0 (100-116) RPM-600-0 (x2 x3) 600-696
Antenna 5 (09-Sep-2004) 0 (as of 24Apr2006) 200D (11-Apr-2003)
B43 N7 981015 120 ohm Amp C-40
H263
(manufacturer: 93.5-125.8,
motor table: 90.8-125.8)
MU2-04-2TS#112 / page2 (x2) 181.6-251.6
300G
Amp C-24 940726 B11N2, Rt=118ohm (as of 26Sep2005)
WiseWave W01R2 (87-116.5) RPG M116-1 (268-349.5) 261-349.5
(no fringes at LO=271.7 in 2004?? but fringes seen at LO=270 in October 2005)
600C (24-Apr-2004)
Amp YCF 2012 941026.2 B64 N3 60 ohm
RPG-600-4 (100-116) RPM-600-4 600-696
Antenna 6 (09-Sep-2004) 6 (as of 24Apr2006) 200E (09-May-2003)
C-42 M951004 B34N9 110ohm
H287
(manufacturer: 93-135,
motor table: 91-123.8)
MU2-04-2TS#113 / page2 (x2) 182-247.6
300A
C-16, M001002 B6M9 Rt=94ohm, Rn=34ohm (as of 26Sep2005)
RPG BN232 (87-116.5) RPG 2001-M116-2 (x3) 270-349.5
600A (24-Apr-2004)
YCF 2019 M010920 B25 N 12 45 ohm
RPG-600-6 (100-116) RPM-600-6 (x6) 600-642, 650-696
Antenna 7 ASIAA2 (as of 24Apr2006) 200TA (09-May-2003) H272 (90-125) M129 (x2) 180-250
300TA
Rn=39ohm, HEMT=C62 (as of 26Sep2005)
H293 (as of 13Aug2004) (84-119) RP FT-1 (x3) (249-351) 267-294, 300-438
600 RPG-2001-008 RPM-2001-008
Antenna 8 ASIAA1 (as of 24Apr2006) 200 H218
(manufacturer: 88-131,
motor table: 89-97, 100-146)
188-194,200-262?
300 H290 (82-119) M100? 250-350
600 RPG-2001-008III RPM-2001-008III
200 GHz intersection 8 antennas 1 thru 8 188-194, 200-242
200 GHz intersection 7 antennas 1 thru 7 186-242
300 GHz intersection 8 antennas 1 thru 8 270-349.5
400 GHz intersection 1 antenna 4 320-430
600 GHz intersection 7 antennas 1 thru 7 600-696*
*This range reflects the Gunn output only. The usable range may be reduced somewhat by the multiplier on certain antennas.

source URL: http://cn.sma.hawaii.edu/~thunter/mirror/web/receiver/loTuningRange.shtml

This document last modified on Mon Jan 22 10:20:23 EST 2007

rchriste@cfa.harvard.edu
thunter@cfa.harvard.edu