
Block Down-Converter
- Frequency range
- 3.4 GHz – 30 GHz
- Connectorized Package
- Compact, Rugged Design
- Custom Designs Available
Digital Data Sheet
Quad Band Block Down Converter
A quad band block down converter from the EM Research QBDC Series, delivering 4-band. Like every EMR model, the QBDC-22200-02 is configurable to your exact requirements.

Series Features
Applied Industries
Aerospace · Military · Satcom
Frequency
| Band | Low | High |
|---|---|---|
| Band A | 17.7 GHz | 18.9 GHz |
| Band B | 18.8 GHz | 20 GHz |
| Band C | 19.9 GHz | 21.1 GHz |
| Band D | 21 GHz | 22.2 GHz |
Electrical Specifications
| Power Out | 0 dBm MIN |
|---|---|
| Harmonics | -45 dBc TYP |
| Gain | +20 dB, ±2.0 dB @ IF=1515 MHz |
| VCC | +12 VDC, ±0.25V |
| ICC | TBD on spec |
Phase Noise
| PN @ 1 kHz | -70 dBc/Hz |
|---|---|
| PN @ 10 kHz | -80 dBc/Hz |
| PN @ 100 kHz | -90 dBc/Hz |
Reference
| Reference | 100 MHz |
|---|
Environmental
| Temp Range | 0 °C to +50 °C, (Housing Surface) |
|---|
Mechanical
| Package | 6.70” x 2.50” x 0.40” |
|---|
All specifications are typical unless otherwise specified and subject to change without notice. All models are configurable — contact EM Research for custom frequencies, packages, and screening.

Block Down-Converter

Low Noise Block Down Converter

Dual Band Block Down Converter
With decades of RF engineering expertise and a commitment to manufacturing precision, we’ve earned the trust of industry leaders. Partner with us for high-performance, high-quality solutions.