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Features

• Direct Reading
• 0˚ – 360˚ Continuous Phase Change
• High Repeatability
• Low Insertion Loss

The Flann Series 063 of instrumentsfacilitates the continuous control of phase change over the range 0˚ to 360˚. A ten turn drum scale is linearly calibrated in degrees and indicates differential phase change to a smallest increment of 0.2˚.

The rotary vane phase changer consists of a pair of rectangular to circular, stepped or tapered, electroformed transitions providing good VSWR whilst ensuring minimal overall length. Each transition incorporates a mode suppression vane and dielectric quarter wave plate.

The differential phase change is determined by the relative angular position of the dielectric half wave plate housed in the rotating circular waveguide section. The Rotary Vane Phase Changer is direct reading and frequency insensitive making it suitable for use in microwave bridges and precise phase change measurements.

              
ModelFrequency
Range (GHz)
WaveguideAccuracyMaximum
Insertion Loss
(dB)
VSWR
(better than)
Maximum
Power (Watts)
Dimensions (mm)
WGRWRABCDE
080631.72 - 2.6182243011.2515ON REQUEST
100632.60 - 3.95103243011.2515137535819888.2*108
11A0633.22 - 4.9011A4022911.251599134015381.2*85
120633.94 - 5.99124818711.251077724414766/7558
130634.64 - 7.05135815911.251075024414766/7558
140635.38 - 8.18147013711.251068024414766/7558
150636.58 - 10.0158411211.251062022611745/5444
160638.20 - 12.5161009011.251049622611745/5444
170639.84 - 15.0171207511.25544622611745/5444
1806311.9 - 18.0181406211.3538822611745/5444
1906314.5 - 22.0191805111.3438822611745/5444
2006317.6 - 26.7202204211.3337822611745/5444
2106321.7 - 33.0212603411.32.533522611745/5444
2206326.4 - 40.1223202811.3223022711755/6436
2306333.0 - 50.1234002211.31.519622711755/6436
2406339.3 - 59.724500191.51.3118422711755/6436
2506349.9 - 75.825620151.51.30.715622711755/6436
2606360.5 - 92.0267401221.30.513622711755/6436
2706373.8 - 11227900102.51.30.211922711755/6436
2806392.3 - 14028120082.51.50.211922711755/6436
29063114 - 1732914006Specifications available on
request
Dimensions available on
request
30063145 - 2203018005
31063172 - 2613122004
32063217 - 3303226003