Analog Electronics for Interferometer Control

Electronics

Name

Height

Schematics

Power

Description

RF PD in air

-

JGW-D1201280

+-18V

has DC, RF HI, RF LOW outputs

BB PD in air

-

broadband (for 2*f1, 2*f2 and nonresonant SB ?)

RF QPD in air

-

should have 4 RF outputs, 4 DC outputs

DC PD in air

-

should have DC output

DC QPD in air

-

should have 4 DC outputs

RF PD for green in air

-

BB might be OK

DC PD for green in air

-

DC QPD for green in air

-

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

Frequency Doubler

1U

for sideband power monitor

Phase Frequency Discriminator

1U

for ALS

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

PD Interface Board

1U

+-18V

for ribbon cables from RF PDs. 8 inputs?

ISS Board

?

PLL Servo Board

?

OMC Servo Board

?

Photodetector list

For each rack

IO rack

Has RF sources for fIMC, f1, f2, f3, 2*f1, 2*f2, f3-f1, f3-f2. Has servo boards for FRC and IMC. Takes care of PD/QPDs on PSL, IMC REFL, IMC TRANS, and IMMT2 tables.

Name

Height

Description

RF Oscillator Source

?

for f_IMC sideband (also for Ref Cav)

RF Distribution Amplifier

1U

for fIMC. to PSL EOM, to Delay Line for FRC, to Delay Line for IMC, , , , , ,.

Delay Line Phase Shifter

1U

for TTFSS LO (FRC lock)

Delay Line Phase Shifter

1U

for CM board LO (IMC LSC)

Quad IQ Demodulator LSC

1U

for IMCR PD(fIMC), , , .

Common Mode Servo Board

1U

for IMC

RF Oscillator Source

?

for f_1 sideband

RF Oscillator Source

?

for f_2 sideband


Plan (as of 2012-08)

RFPD