R&D (FilterCavity)
YuhangZhao - 10:49, Thursday 28 January 2021 (2353)
CCFC detuning reference number (relative to elog2296)

The detuning frequency has been set in elog2296 by Aritomi-san. According to that value, I calculated several different numbers which could be used to set even higher detuning.

Detuning

Frequency_cc (MHz)

Binary number

2*Frequency_cc (MHz)

Binary number

3*Frequency_cc (MHz)

Binary number

64Hz

6.99700252

11-10010101-00011100-01110010

13.99400504

111-00101010-00111000-11100100

20.99100756

1010-10111111-01010101-01010110

74Hz

6.99699251

11-10010101-00011100-00011100

13.99398502

111-00101010-00111000-00111000

20.99097753

1010-10111111-01010100-01010100

84Hz

6.99698250

11-10010101-00011011-11000110

13.99396500

111-00101010-00110111-10001100

20.99094749

1010-10111111-01010011-01010010

94Hz

6.99697249

11-10010101-00011011-01110000

13.99394497

111-00101010-00110110-11100000

20.99091746

1010-10111111-01010010-01010000

104Hz

6.99696247

11-10010101-00011011-00011010

13.99392495

111-00101010-00110110-00110100

20.99088742

1010-10111111-01010001-01001110

114Hz

6.99695246

11-10010101-00011010-11000100

13.99390493

111-00101010-00110101-10001000

20.99085739

1010-10111111-01010000-01001100

214Hz

6.99685246

11-10010101-00010111-01101001

13.99370492

111-00101010-00101110-11010010

20.99055739

1010-10111111-01000110-00111011

According to elog2350, the detuning values in this elog should be 105Hz, 115Hz, 125Hz, 135Hz, 145Hz, 155Hz, 255Hz.