Delay Line Phase Shifter

Document #:

LIGO-T050250-x0

Document type:

T - Technical notes

Abstract:

The delay line phase shifter uses a variable length stripline to delay the input signal by a selectable amount. Eighteen RF switches are used to route the signal either through fixed delay taps or short bypass paths (see schematics D050339). The fixed delay taps are 1/16 ns, 1/8 ns, 1/4 ns, 1/2 ns, 1 ns, 2 ns, 4 ns, 8 ns and 16 ns in length. Any delay between 0 ns and 31.9375 ns can bee added in steps of 0.0625 ns by using front-panel mounted toggle switches or through a digital interface such as EPICS.

Files in Document:

• T050250-00.pdf (143.0 kB)

Topics:

• Document Migration from the old DCC
• Sensing and Control

Authors:

• Daniel Sigg

Keywords:

Delay Line Phase Shifter

Notes and Changes:

Rev T050250-00-D:
- Full document number: LIGO-T050250-00-D
- Author(s): Daniel Sigg
- Document date: 2005-11-10
- Document received date: 2005-12-21
- Document entry date: 2005-12-21

Referenced by:

• LIGO-E1200136: aLIGO, ISC, RF System, Delay Line Phase Shifter