| PLL# | Current location | Harmonic mixer | Digital board | Diplexer board | Heater resistor | postscript plot 1 | postscript plot 2 | Repair history | |
| Antenna | Receiver | revision | revision* | present? | |||||
| dpll01 | 3 | 300B = 345Rx | FMA082 | 0 | 0 | yes | IF Filter Response | IF Amplifier Bandpass | |
| dpll02 | 2 | 216B = 230Rx | FMA080 | 0 | 0 | ? | IF Filter Response | IF Amplifier Bandpass | |
| dpll03 | 4 | 216C = 230Rx | FMA??? | 0 | 0 | yes | IF Filter Response | IF Amplifier Bandpass | |
| dpll04 | 3 | 216B = 230Rx | FMA077 | 0 | 0 | yes | IF Filter Response | IF Amplifier Bandpass | |
| dpll05 | NRAO | shipped to Tucson | n/a | 0 | 1 | no box | IF not specified | no amplifier/diplexer sent | |
| dpll06 | 6 | 230Rx | FMA083 | 0 | 1 | yes | IF Filter Response | IF Amplifier Bandpass | |
| dpll07 | 4 | presently: 650Rx w/RPG-600-1 Zimmerman Gunn, 9.15V target, no datasheet online; moving to: RPG-600-3 Zimmerman Gunn (crowbar 9.95V) with FMA143 in antenna 1 | FMA017 | 0 | 1 | yes | IF Filter Response | IF Amplifier Bandpass | |
| dpll08 | 8 | 650Rx w/ASIAA Zimmerman Gunn 2001-008 (label=10.4V), 9.4V hardware target, 9.6V software target | FMA144 | 0 | 1 | yes | |||
| dpll09 | destined for new antenna 2 | 230Rx (was 300C = 345Rx Antenna 4) | FMA145 (was FMA076) | 0 | 1 | yes | IF Filter Response | IF Amplifier Bandpass | 109MHz reference connector repaired on 19Jun2002 |
| dpll10 | 2 | 300B = 345Rx, target = 9.3V, center = 8.9V? | 0 | 1 | ? | IF Filter Response | IF Amplifier Bandpass | ||
| dpll11 | 4 | 345GHz Rx, 8.6V target | 0 | 1 | yes | IF Filter Response | IF Amplifier Bandpass | ||
| dpll12 | destined for antenna 4 | 345Rx | FMA080 | 0 | 1 | yes | IF Filter Response | IF Amplifier Bandpass | added 750kohm resistor to R35 |
| dpll13 | 5 | 650Rx w/ZG-600-2 Zimmerman Gunn, 9.0V target, no datasheet online | FMA078 | 1 | 1 | no | IF Filter Response | IF Amplifier Bandpass | |
| dpll14 | NRAO | shipped to Tucson on 25-April-2001 | n/a | 1 | 1 | no box | IF not specified | no amplifier/diplexer sent | |
| dpll15 | NRAO | shipped to Tucson on 25-April-2001 | n/a | 1 | 1 | no box | IF not specified | no amplifier/diplexer sent | |
| dpll16 | NRAO | shipped to Tucson on 25-April-2001 | n/a | 1 | 1 | no box | IF not specified | no amplifier/diplexer sent | |
| dpll17 | NRAO | shipped to Tucson on 25-April-2001 | n/a | 1 | 1 | no box | IF not specified | no amplifier/diplexer sent | |
| dpll18 | 1 | 1 | |||||||
| dpll19 | CSO | 230GHz Rx, 8.6V target | n/a | 1 | 1 | no | IF Filter Response | IF Amplifier Response: RL+3dBm * RL-35dBm | |
| dpll20 | CSO | 345GHz Rx, 8.6V target bias | n/a | 1 | 1 | no | IF Filter Response | IF Amplifier Response: RL-35dBm * RL-17dBm | |
| dpll21 | 6 | 690Rx w/ZG-600-2 = 2001-008-11 Zimmerman Gunn, 9.55V target | FMA156 | 1 | 1 | no | |||
| dpll22 | 3 | 650 Rx w/ ZG-600-1 Zimmerman Gunn (9.2V target) | 1 | 2 | no | IF Filter Response | IF Amplifier Bandpass | added 390kohm resistor to R35 to remove Gunn bias ADC offset | |
| dpll23 | CSO | 850GHz Rx, Zimmerman Gunn, 10.3V target | n/a | 1 | 1 | no | IF Filter Response | IF Amplifier Response | |
| dpll24 | CSO | 650GHz Rx, 8.6V target bias | n/a | 1 | 1 | no | IF Filter Response | IF Amplifier Response | |
| dpll25 | 5 | 230Rx | FMA079 | 1 | 1 | no | IF Filter Response | IF Amplifier Response | |
| dpll26 | CSO | 490GHz Rx, 8.6V target bias | n/a | 1 | 1 | no | IF Filter Response | IF Amplifier Response: RL-35dBm * RL-16dBm * RL-3dBm | |
| dpll27 | 1 | 230 Rx | 1 | 1 | no | ||||
| dpll28 | in receiver lab | ||||||||
| dpll29 | in receiver lab | 8.6V target | added 2.2Mohm resistor to R34 to remove Gunn bias ADC offset | ||||||
| dpll30 | destined for antenna 4 | 345Rx (WiseWave, 8.9V target, 9.3V in software) | FMA 147 | 1 | no | Locked Gunn spectrum | added 510kohm resistor to R35 to remove Gunn bias ADC offset | ||
| dpll31 | destined for antenna 5 | 345Rx (Carlstrom, 8.6V target) | WMA340 | 1 | 1 | no | added 560kohm resistor to R35 to remove Gunn bias ADC offset | ||
| dpll32 | spare 345 LO chain in Cambridge receiver lab | 345Rx (RPG, 8.9V target, 9.2V in software) | FMA 146 | 1 | 1 | no | added 300kohm resistor to R35 to remove Gunn bias ADC offset | ||
| dpll33 | destined for antenna 2 | 690Rx (9.8V target bias, 10.0V in software) | FMA 078 | 1 | 1 | no | Locked Gunn spectrum | added 390kohm resistor to R35 to remove Gunn bias ADC offset | |
| dpll34 | Cambridge | 8.6V target bias | 1 | 1 | no | added 666kohm resistor to R35 to remove Gunn bias ADC offset | |||
| dpll35 | Cambridge (for 230GHz antenna 3) | 8.6V target bias | FMA 153 | 1 | 1 | no | added 624kohm resistor to R35 to remove Gunn bias ADC offset | ||
| dpll36 | Cambridge | 8.6V target bias | 1 | 1 | no | need to add 6.13kohm resistor to R35 to remove Gunn bias ADC offset | |||
| dpll37 | Cambridge | 8.6V target bias | 1 | 1 | no | 536kohm added to R35, C30 replaced with ceramic cap | |||
| dpll38 | shipping to antenna 4 230Rx | 8.6V target bias | FMA154 | 1 | 1 | no | added 560kohm to R35 | ||
| dpll39 | Cambridge (for 650GHz LO chain with RPG-600-5 to antenna 1) | 9.55V target bias | 1 | 1 | no | resistor added to R35 | |||
| dpll40 | shipping to JCMT | 9.6V target bias | 1 | 1 | no | ||||
| dpll41 | Cambridge (will not lock) | 9.6V target bias | 1 | 1 | no | ||||
| dpll42 | Cambridge (works, destined for 400Rx in antenna 5) | 9.8V target bias | WMA | 1 | 1 | no | resistor added to R35 | ||
| dpll43 | Cambridge (under construction) | ||||||||
| dpll44 | Cambridge (under construction) | ||||||||
| dpll88 | Hawaii (repaired in Cambridge) | ? resistor added to R35 | |||||||
| dpll89 | Hawaii (repaired in Cambridge) | 536kohm resistor added to R35 | |||||||
| dpll81 | in Cambridge awaiting repair | needs 400kohm added to R35 | |||||||
| dpll87 | in Cambridge, lock looks good | needs 835 kohm added to R35 | |||||||
| dpll90 | in Cambridge awaiting repair | needs 3.1 Megohm added to R35 | |||||||
| dpll92 | in Cambridge, lock looks good | needs 719 kohm added to R35 | |||||||
| dpll93 | in Cambridge, lock looks good | needs 306 kohm added to R35, and zero offset adjust on notch filter | |||||||
| dpll94 | in Cambridge awaiting repair | needs 730 kohm added to R35 | |||||||
| dpll95 | in Cambridge, lock looks good | needs 541 kohm added to R35 | |||||||
| Hawaii (beam mapper) | WM-201 | ||||||||
Last modified: Fri Feb 16 13:47:01 2007
thunter@cfa.harvard.edu
