Waveguide Passive Components

Circulators & Isolators

Drawcom’s Waveguide Circulators and Isolators are specifically designed to meet the requirements of high capacity and high performance microwave systems. The product line covers the frequency range from 2.7 GHz to 40 GHz.

Specifications

Waveguide Circulators

Part No.

Frequency (GHz)

Waveguide Type

Minimum Isolation (dB)

Maximum Insertion Loss (dB)

Max VSWR

Maximum Forward Power

(W - cw)

Style

Flange Type

M0977-1 3.50 - 4.20 WR229 26 0.20 1.10 400 MWC1 CMR
M0977-2 3.50 - 4.20 WR229 26 0.20 1.10 400 MWC1 CPR
M1399 3.50 - 4.20 WR229 26 0.20 1.10 400 MWC1 CPR
M2597 4.40 - 5.00 WR187 30 0.10 1.065 350 MWC2 CMR
M0952-1 5.85 - 6.45 WR137 26 0.20 1.10 300 MWC1 CPR
M0952-2 5.85 - 6.45 WR137 26 0.20 1.10 300 MWC1 CMR
M1400-1 5.85 - 6.45 WR137 30 0.10 1.065 2000 MWC3 Note 1
M1400-2 5.8 - 7.125 WR137 26 0.15 1.12 2000 MWC3 Note 1
M1100-1 6.40 - 7.20 WR137 26 0.25 1.10 300 MWC1 CPR
M1100-2 6.40 - 7.20 WR137 26 0.25 1.10 300 MWC1 CMR
M0975 7.10 - 8.50 WR112 26 0.15 1.10 300 MWC3 COVER
M1138 7.90 - 8.40 WR112 30 0.15 1.065 1800 MWC3 Note 2
M0957  9.30 - 9.80 WR90 25 0.20 1.12 100 MWC3 COVER
M2434-2 10.70 - 11.70 WR90 28 0.15 1.08 100 MWC1 Note 1
M2381 10.70 - 11.70 WR90 30 0.15 1.065 200 MWC3 Note 2
M1466 10.70 - 11.70 WR75 23 0.20 1.15 100 MWC3 COVER
M1898 11.00 - 12.70 WR75 21 0.15 1.20 500 MWC3 COVER
M1067-1 11.70 - 12.20 WR75 28 0.20 1.08 100 MWC3 COVER
M1067-2 12.50 - 12.75 WR75 28 0.20 1.08 100 MWC3 COVER
M1506 12.00 - 12.70 WR75 23 0.20 1.15 400 MWC3 COVER
M2062 14.00 - 14.50 WR75 26 0.10 1.10 900 MWC3 COVER
M1167 14.40 - 15.35 WR62 26 0.30 1.10 200 MWC3 COVER
M2594 18.60 - 19.90 WR42 20 0.30 1.22 20 MWC3 COVER
M2595 17.50 - 19.50 WR42 18 0.35 1.23 20 MWC3 COVER
M2596 19.00 - 20.60 WR42 18 0.35 1.26 20 MWC3 COVER
M2298 27.00 - 30.50 WR28 20 0.25 1.22 110 MWC3 Note 2
M2021 33.00 - 37.00 WR28 17 0.40 1.30 10 MWC3 Note 2

Note 1: Flange per customer require, (see Flange Numeric Codes) some restrictions may apply.

Note 2: Cover tapped.

Waveguide Isolators

Part No.

Frequency (GHz)

Waveguide Type

Minimum Isolation (dB)

Maximum Insertion Loss (dB)

Max VSWR

Maximum Forward Power

(W - cw)

Maximum Reverse Power

(W - cw)

Circulator Model (Cross

Reference)

M1093 3.50 - 4.20 WR229 26 0.15 1.10 400 10 M0977
M0980 5.90 - 6.45 WR137 26 0.20 1.10 300 5 M0952
M1391-1 6.45 - 6.45 WR137 30 0.10 1.065 2000 150 M1400-1
M2056 5.85 - 6.45 WR137 26 0.20 1.12 300 10 M0952
M1391-2 5.80 - 7.125 WR137 25 0.15 1.12 2000 150 M1400-2
M1077 6.40 - 7.20 WR137 26 0.20 1.10 300 5 M1100
M1285 7.70 - 8.30 WR112 26 0.15 1.10 300 10 M0975
M1174 7.90 - 8.40 WR112 23 0.15 1.15 1800 75 M1138
M2115 9.20 - 10.20 WR90 23 0.20 1.15 100 75 M0957
M1287 10.70 - 11.70 WR90 28 0.15 1.08 100 2 M2434-2
M1467 10.70 - 11.70 WR75 23 0.20 1.15 100 5 M1466
M2074 11.00 - 13.00 WR75 23 0.20 1.15 100 10 M1466
M0992 11.70 - 12.20 WR75 28 0.20 1.10 100 5 M1067-1
M1857 11.70 - 12.20 WR75 26 0.15 1.10 100 75 M1067-1
M1743 14.00 - 14.50 WR75 26 0.15 1.10 900 15 M2062
M2173 18.60 - 19.90 WR42 20 0.30 1.22 20 2 M2594
M2359 17.50 - 19.50 WR42 18 0.35 1.28 20 2 M2595
M2360 19.00 - 20.60 WR42 18 0.35 1.28 20 2 M2596
M2149 27.00 - 30.00 WR28 20 0.25 1.22 100 1 M2298
M2163 28.50 - 30.50 WR28 20 0.25 1.22 100 1 M2298
M2373 34.00 - 36.00 WR28 23 0.40 1.15 10 1 M2021

ORDERING INFORMATION

Circulators

1. Select model from table.

2. Specify direction of circulation, for clockwise circulation (standard), add C. for counter-clockwise circulation, add A following base model number.

3. Select flange if applicable (see Flange Numeric Codes). Add suffix P if pressurization is required (3 pslg is standard).

ORDERING EXAMPLE
Part No. Circulation Flanges Pressure
M1400-1 A 1 P
Part Number – M1400-1-A1-P

The example describes a WR137 circulator (5.85 - 6.45 GHz with counter-clockwise circulation and CPR-G flanges with pressurization

ORDERING INFORMATION

Isolators

1. Select model from table.

2. Specify direction of circulation, for clockwise circulation (standard), add C. for counter-clockwise circulation, add A following base model number.

3. Specify termination port.

4. Select flange if applicable (see Flange Numeric Codes).

5. Add suffix P if pressurization is required (3 pslg is standard).

ORDERING EXAMPLE
Part No. Circulation Termination Flange Pressure
M2115 C 3 5 -
Part Number – M2115-C-3-5

The example describes a WR90 Isolator with clockwise circulation terminated on Port 3 with CMR tapped flanges

ORDERING EXAMPLE
Part No. Circulation Termination Flange Pressure
M1391-1 A 1 5 -
Part Number – M1391-1-A-1-5

The example describes a WR137 Isolator (5.85 - 6.425) with counter-clockwise circulation, terminated on Port 1 with CMR tapped flanges

If the above tables and ordering information do not fulfil your needs, please let us quote against your specification.