Differences between revisions 25 and 28 (spanning 3 versions)

bKAGRA Suspensions Actuator Design Summary

suspension and stage	coil	magnet	coil-magnet	coil driver
MCi/e/o (Type-C) TM	41 turns by default (some are 40 turns?)	NdFeB 1mm dia, 5mm thick	0.0014 N/A at max	TAMA
IM	-	-	-	-
IMMT1/2 (Type-C) TM	39 turns ?	NdFeB 2mm dia, 5mm thick		high power
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	1.26 N/A at max	high power
BS (Type-B) TM	600 turns	SmCo 2mm dia, 3mm thick	0.0138N/A at max	low power
IM	600 turns	SmCo 10mm dia, 10mm thick	1.25 N/A at max	low power
SR2/3/M (Type-B) TM	600 turns	SmCo 2mm dia, 5mm thick	0.0225 N/A at max	low power
IM	600 turns	SmCo 10mm dia, 10mm thick	1.26 N/A at max	low power
ITM/ETM (Cryopayload) TM	88 turns	SmCo(?) 2mm dia, 2mm thick ?	0.0015 N/A at max (at room temp.)	low power
IM	585 turns	SmCo(?) 2mm dia, 2mm thick ?	0.015 N/A at max (at room temp.)	low power(with R65 and R97 700Ohm)
Marionette	585 turns	SmCo(?) 5mm dia, 13mm thick ?	0.45 N/A at max (at room temp.)	low power(with R65 and R97 700Ohm)

Coil Drivers

TAMA coil driver has 50 Ohm, 20 mA/V. EL2099, 440 mA at max. Summary by Koji Arai is here.
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 80 Ohm, 13.6 mA/V at DC. OPA548, 3 A at max.

-  ⇤ ← Revision 25 as of 2017-04-27 09:39:56 → 
  Size: 2458
  Editor: YutaMichimura
  Comment:
+   ← Revision 28 as of 2017-06-12 11:39:51 → ⇥
  Size: 2645
  Editor: YutaMichimura
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 4:
+||'''IM''' ||- ||- ||- ||- ||
||IMMT1/2 (Type-C) '''TM''' ||39 turns ? ||NdFeB 2mm dia, 5mm thick || ||high power ||
-Line 11:
+Line 13:
-||ITM/ETM (Cryopayload) '''TM''' ||88 turns ||SmCo(?) 2mm dia, 2mm thick ? ||0.0015 N/A ||low power ||
||'''IM''' ||585 turns||SmCo(?) 2mm dia, 2mm thick ?  ||0.015 N/A ||low power(with R65 and R97 700Ohm) ||
||'''Marionette''' ||585 turns||SmCo(?) 5mm dia, 13mm thick ?  ||0.45 N/A ||low power(with R65 and R97 700Ohm) ||
+||ITM/ETM (Cryopayload) '''TM''' ||88 turns ||SmCo(?) 2mm dia, 2mm thick ? ||0.0015 N/A at max (at room temp.)||low power ||
||'''IM''' ||585 turns||SmCo(?) 2mm dia, 2mm thick ?  ||0.015 N/A at max (at room temp.) ||low power(with R65 and R97 700Ohm) ||
||'''Marionette''' ||585 turns||SmCo(?) 5mm dia, 13mm thick ?  ||0.45 N/A at max (at room temp.) ||low power(with R65 and R97 700Ohm) ||