Features
- Ethernet Control Motorised Operation
- +24 V DC Operating Voltage – mains
adaptor is supplied - Models from 6.58 to 500 GHz
(WG15, WR112 to WM570, WR2.2) - Full Waveguide Band Operation
- 0 to 60 dB Attenuation Range
- Attenuation Accuracy <0.1 dB or 1%
(whichever is greater) - 0 to 60 dB Cycle Speed <1 second
Applications
- Automated Test Equipment (ATE)
- Testing millimetre-wave Point to Point Radios
- Bit error rate testing
- Fade margin testing
- Transceiver diversity
The Series 625-03 Ethernet range of High Precision Programmable Attenuators utilise the proven rotary vane principle and Flann’s “Industry Standard” experience to offer very high performance at a competitive price.
This model is based on Flann’s highly respected Series 620/621 Rotary Attenuators, which offer high accuracy and high repeatability over the full attenuation range. In addition to the microwave performance expected of Flann, the Series 625-03 offers Ethernet control enabling connectivity from anywhere worldwide. The integrated touch screen display enables full manual operation where an Ethernet connection may not be available.
Repositioning time between 0 and 60 dB is less than one second.
Additional functionality features enable the instrument to be driven to higher attenuation values up to 90 dB.
Please note: The traditional CP2021 Control Processor is not required to drive the instrument.
Related Products
Series 620: Programmable Attenuator, GPIB/USB
Series 621: Programmable Attenuator with Manual Control, GPIB/USB, Drumscale Readout
Specifications
| Model Number | Frequency Range (GHz) | Waveguide | VSWR (max) | Maximum Insertion Loss (dB) | Attenuation Accuracy (better than) | Maximum Power (W) | |||
| WG | WM | R | WR | ||||||
| 15625-03 | 6.58-10.0 | 15 | - | 84 | 112 | 1.15 | 0.25 | Greater of 0.1 dB or 1% (up to 60 dB) | 6 |
| 16625-03 | 8.20-12.5 | 16 | - | 100 | 90 | 1.15 | 0.25 | Greater of 0.1 dB or 1% (up to 60 dB) | 4 |
| 17625-03 | 9.84-15.00 | 17 | - | 120 | 75 | 1.15 | 0.25 | Greater of 0.1 dB or 1% (up to 60 dB) | 3 |
| 18625-03 | 11.9-18.00 | 18 | - | 140 | 62 | 1.15 | 0.3 | Greater of 0.1 dB or 1% (up to 60 dB) | 2 |
| 19625-03 | 14.5-22.0 | 19 | - | 180 | 51 | 1.15 | 0.4 | Greater of 0.1 dB or 1% (up to 60 dB) | 1.5 |
| 20625-03 | 17.6-26.7 | 20 | - | 220 | 42 | 1.15 | 0.6 | Greater of 0.1 dB or 1% (up to 60 dB) | 1.0 |
| 21625-03 | 21.7-33.0 | 21 | - | 260 | 34 | 1.15 | 0.8 | Greater of 0.1 dB or 1% (up to 60 dB) | 0.75 |
| 22625-03 | 26.4-40.1 | 22 | - | 320 | 28 | 1.15 | 0.9 | Greater of 0.1 dB or 1% (up to 60 dB) | 0.50 |
| 23625-03 | 33.0-50.1 | 23 | - | 400 | 22 | 1.15 | 1.0 | Greater of 0.1 dB or 1% (up to 60 dB) | 0.30 |
| 24625-03 | 39.3-59.7 | 24 | - | 500 | 19 | 1.15 | 1.0 | Greater of 0.1 dB or 1% (up to 60 dB) | 0.25 |
| 25625-03 | 49.9-75.8 | 25 | - | 620 | 15 | 1.15 | 1.0 | Greater of 0.1 dB or 1% (up to 60 dB) | 0.15 |
| 26625-03 | 60.5-92.0 | 26 | - | 740 | 12 | 1.15 | 1.3 | Greater of 0.1 dB or 1% (up to 60 dB) | 0.10 |
| 27625-03 | 73.8-112 | 27 | - | 900 | 10 | 1.15 | 1.5 | Greater of 0.1 dB or 1% (up to 60 dB) | 0.07 |
| 28625-03 | 92.3-140 | 28 | - | 1200 | 8 | 1.18 | 1.7 | Greater of 0.1 dB or 1% (up to 60 dB) | 0.05 |
| 29625-03 | 114-173 | 29 | - | 1400 | 6 | 1.18 | 1.9 | Greater of 0.1 dB or 1.2% (up to 60 dB) | 0.035 |
| 30625-03 | 145-220 | 30 | - | 1800 | 5 | 1.22 | 2.5 | Greater of 0.15 dB or 1.5% (up to 50 dB) | 0.020 |
| 31625-03 | 172-261 | 31 | - | 2200 | 4 | 1.30 | 3.0 | Greater of 0.2 dB or 1.5% (up to 45 dB) | 0.015 |
| 32625-03 | 217-330 | 32 | - | 2600 | 3 | 1.50 | 3.0 | Greater of 0.2 dB or 1.5% (up to 45 dB) | 0.010 |
| 710625-03 | 260-440 | - | 710 | - | '2.8' | 1.75 | 4.0 | Greater of 0.3 dB or 2% (up to 35 dB) | 0.007 |
| 570625-03 | 330-500 | - | 570 | - | '2.2' | 2.20 | 5.0 | Greater of 0.4 dB or 2.5% (up to 30 dB) | 0.005 |