Products

Signal Conversion

QBDC Series

Quad Band Block Down Converter

QBDC Series Quad Band Block Down Converter product photo
  • Connectorized Package
  • Compact, Rugged Design
  • Quadruple Band
  • Custom Designs Available
  • Internal Low-Noise LO

Industries: Aerospace, Military, Satcom

Quick Answers

For RF Engineers

What frequency range does the QBDC Series cover?
The QBDC Series covers 17.7 GHz to 22.2 GHz across 4 selectable bands.
What package does the QBDC Series come in?
The QBDC Series Quad Band Block Down Converter comes in a 6.70” x 2.50” x 0.40” package.
What is the Output of the QBDC Series?
QBDC Series Output: 950-2150 MHz.
What is the Phase Noise of the QBDC Series?
QBDC Series Phase Noise: <-70 dBc/Hz @ 10 KHz Offset, MAX.
What is the Conversion Gain of the QBDC Series?
QBDC Series Conversion Gain: +20 dB, ±2.0 dB @ IF=1550 MHz.
What is the Harmonics of the QBDC Series?
QBDC Series Harmonics: <-40 dBc TYP, <-35 dBc MAX (-10 dBm, signal out).

For Program Managers

What industries use the QBDC Series?
The QBDC Series is used in Aerospace, Military, Satcom applications. All models are configurable to specific requirements.
Where is the QBDC Series designed and manufactured?
The QBDC Series is designed and manufactured in the USA by EM Research in Reno, Nevada.
Can the QBDC Series be customized for a specific program?
Yes. All QBDC Series models are configurable to program-specific requirements, including frequency, packaging, and ruggedization.
How do I request a quote or configuration for the QBDC Series?
Submit a request through the QBDC Series configuration form and EM Research will respond within 1 business day.

Series Specifications

QBDC Series key specifications
Frequency Range17.7 GHz to 22.2 GHz
Output950-2150 MHz
Phase Noise<-70 dBc/Hz @ 10 KHz Offset, MAX
Conversion Gain+20 dB, ±2.0 dB @ IF=1550 MHz
Harmonics<-40 dBc TYP, <-35 dBc MAX (-10 dBm, signal out)
Spurs<-55 dBc, MAX
Input Level0 dBm MAX, No Damage
Supply Voltage+12 VDC, ±0.25V
Temperature Range0 °C to +50 °C, (Housing Surface)
Internal ReferenceOptional
StabilitySame as Reference
External Reference10 MHz
Package Size6.70” x 2.50” x 0.40”

Models — all models are configurable

QBDC-22200-02

Frequency
4 bands
Power Out
0 min dBm
Harmonics
-45 typ dBc
Reference
100 MHz MHz
PN @ 1 kHz
-70 dBc/Hz
PN @ 10 kHz
-80 dBc/Hz
PN @ 100 kHz
-90 dBc/Hz
VCC
+12 VDC, ±0.25V V
ICC
TBD on spec mA
Gain
+20 dB, ±2.0 dB @ IF=1515 MHz dB
Temp Range
0 °C to +50 °C, (Housing Surface)
Request Configuration

This is a small sample of our models — all are configurable. If you don’t see the frequency you need, request a configuration and we’ll get back to you within 1 business day.

Related Products

BDC Series Block Down-Converter

Block Down-Converter

Frequency range
3.4 GHz – 30 GHz
  • Connectorized Package
  • Compact, Rugged Design
  • Custom Designs Available
LNB Series Low Noise Block Down Converter

Low Noise Block Down Converter

Frequency range
10.7 GHz – 20.2 GHz
  • State of the Art noise figure
  • Multi-band capabilities
  • Vibration tolerant
DBDC Series Dual Band Block Down Converter

Dual Band Block Down Converter

Frequency range
14.4 GHz – 15.35 GHz
Package size
6.70” x 2.50” x 0.40”
  • Connectorized Package
  • Compact, Rugged Design
  • Dual Band

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