Modulators
Quadrapole Networks
Quadrapole Networks provide four equal amplitude, sequential quadrature 0°, 90°, 180°, and 270° outputs. Clockwise and counterclockwise rotations are possible. The principle application of quadrapole networks are to drive circular polarization antenna feeds.
| Frequency Range (MHz) |
Insertion Loss (dB) max. |
Amp. Balance (dB) max. |
Phase Balance (Deg.) max. |
Isolation (dB) min. |
VSWR max. |
Coupling Loss (dB) |
Band- width (% of Fc) |
Avg. Input Power (watt) max. |
P/N |
|---|---|---|---|---|---|---|---|---|---|
| 10-300 | 1.5 | 1.2 | ±3 | 20 | 1.30:1 | 6.0 | 30 | 1 | QN-*-** |
| 300-600 | 2.0 | 1.4 | ±4 | 18 | 1.50:1 | 6.0 | 30 | 1 | QN-*-** |
- *
- Center Frequency
- **
- Available in outlines # 302 & 476
| Phase Table | ||||||
|---|---|---|---|---|---|---|
| A | B | J1 | J2 | J3 | J4 | |
| Clockwise | Input | Terminated | 0 | -90 | -180 | -270 |
| Counterclockwise | Terminated | Input | -90 | 0 | -270 | -180 |
| Pin-out Table | ||||||
|---|---|---|---|---|---|---|
| Outline | A | B | J1 | J2 | J3 | J4 |
| 302 | 12 | 10 | 7 | 3 | 5 | 1 |
 Outline 302 |
 Outline 476 |
