Analog Electronics for Interferometer Control

Electronics

Name

Height

Schematics

Power

Description

RF PD

-

JGW-D1201280

+-18V

has DC, RF HI, RF LOW outputs

RF QPD

-

should have 4 RF outputs, 4 DC outputs

DC PD

-

should have DC output

DC QPD

-

should have 4 DC outputs

TTFSS

-

JGW-D1301823

from Interface

TTFSS Interface

-

JGW-D1301831

+-17V,+-24V,+-200V

PMC Servo Board

-

+-17V,+-24V,+-200V?

may need interface board

RF Oscillator Source

?

Agilent

AC

for the time being

RF Distribution Amplifier

1U

+-17V,+-24V

split into 8

Delay Line Phase Shifter

1U

+15V?

1 input, 1 output?

Quad IQ Demodulator LSC

1U

JGW-D1402413

+-18V

4 LOs for 4 demodulation channels

Quad IQ Demodulator ASC

1U

JGW-D1402413

+-18V

1 LO for 4 demodulation channels

Common Mode Servo Board

1U

+-17V,+-24V

2 inputs, slow and fast outputs

* Ref: awiki/RfDesign

For each rack

* KAGRA ISC Electrical Components Layout JGW-D1402986

IO rack

Name

Height

Description

RF Oscillator Source

?

for f_IMC sideband (also for RC)

RF Oscillator Source

?

for f_1 sideband

RF Oscillator Source

?

for f_2 sideband


Plan (as of 2012-08)

RFPD