Differences between revisions 4 and 5

bKAGRA Suspensions Actuator Design Summary

Suspension / Stage	coil	magnet	coil-magnet	coil driver
MCi/e/o (Type-C) TM	40 turns	NdFeB 1mm dia, 5mm thick	0.0014 N/A at max	TAMA
IM	-	-	-	-
PR2/3/M (Type-Bp) TM	600 turns	SmCo 6mm dia, 3mm thick	0.129 N/A at max	high power
IM	600 turns	SmCo 10mm dia, 10mm thick	1.12 N/A at max	high power
BS (Type-B) TM	600 turns	SmCo 2mm dia, 3mm thick	0.0313N/A at max	low power
IM	600 turns	SmCo 10mm dia, 10mm thick	1.12 N/A at max	low power
SR2/3/M (Type-B) TM	600 turns	SmCo 2mm dia, 5mm thick	N/A at max	low power
IM	600 turns	SmCo 10mm dia, 10mm thick	1.12 N/A at max	low power
ITM/ETM (Cryopayload) TM	600/500 turns(?)	SmCo(?) 2mm dia, 2mm thick	???	???
IM	???	???	???	???

Coil Drivers

TAMA coil driver has 50 Ohm, 20 mA/V.
Low Power Coil Driver (JGW-D1503507) has 7.8 kOhm at DC (1.3 kOhm above 312 Hz), 0.128 mA/V at DC. AD8671, 10 mA at max.
High Power Coil Driver (JGW-D1503503) has 73 Ohm, 13.6 mA/V at DC. OPA548, 3 A at max.

-  ⇤ ← Revision 4 as of 2016-04-21 17:13:47 → 
  Size: 1821
  Editor: YutaMichimura
  Comment:
+   ← Revision 5 as of 2016-04-21 17:19:15 → ⇥
  Size: 1811
  Editor: YutaMichimura
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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-|| ||||||||<style="text-align:center">'''TM ''' ||||||||<style="text-align:center">'''IM ''' ||
||Suspension ||coil ||magnet ||coil-magnet ||coil driver ||coil ||magnet ||coil-magnet ||coil driver ||
||MCi/e/o (Type-C) ||40 turns ||NdFeB 1mm dia, 5mm thick ||0.0014 N/A at max ||TAMA ||- ||- ||- ||- ||
||PR2/3/M (Type-Bp) ||600 turns ||Sm``Co 6mm dia, 3mm thick ||0.129 N/A at max ||high power ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||high power ||
||BS (Type-B) ||600 turns ||Sm``Co 2mm dia, 3mm thick ||0.0313N/A at max ||low power ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||low power ||
||SR2/3/M (Type-B) ||600 turns ||Sm``Co 2mm dia, 5mm thick ||N/A at max ||low power ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||low power ||
||ITM/ETM (Cryopayload) ||600/500 turns(?) ||Sm``Co(?) 2mm dia, 2mm thick ||??? ||??? ||??? ||??? ||??? ||??? ||
+||Suspension / Stage ||coil ||magnet ||coil-magnet ||coil driver ||
||MCi/e/o (Type-C) '''TM''' ||40 turns ||NdFeB 1mm dia, 5mm thick || 0.0014 N/A at max ||TAMA ||
||'''IM''' ||- ||- ||- ||- ||
||PR2/3/M (Type-Bp) '''TM''' ||600 turns ||Sm``Co 6mm dia, 3mm thick ||0.129 N/A at max ||high power ||
||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||high power ||
||BS (Type-B) '''TM''' ||600 turns ||Sm``Co 2mm dia, 3mm thick ||0.0313N/A at max ||low power ||
||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||low power ||
||SR2/3/M (Type-B) '''TM''' ||600 turns ||Sm``Co 2mm dia, 5mm thick ||N/A at max ||low power ||
||'''IM''' ||600 turns ||Sm``Co 10mm dia, 10mm thick ||1.12 N/A at max ||low power ||
||ITM/ETM (Cryopayload) '''TM''' ||600/500 turns(?) ||Sm``Co(?) 2mm dia, 2mm thick ||??? ||??? ||
||'''IM''' ||??? ||??? ||??? ||??? ||

bKAGRA Suspensions Actuator Design Summary

Coil Drivers

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