Orbital Ka-Band Professional Series BDCs
Orbital Block Down Converters
Ka-Band Ext Ref BDC
20 dB gain, 10 MHz external Reference Frequency
Custom Engineering
- Begin with the low noise figure of a proven quality LNB
- Change the LO circuitry from DRO to External Reference PLL
- Optimize Input and Output for superior VSWR
- Modify and tune RF & IF filters for optimum response
- Tune for very low bandpass ripple
- Optimize Gain distribution for your system parameters
“Mass-Custom” Solution
Orbital starts with a proven performance product that is extremely well engineered with the development costs amortized over thousands of units and the parts costs reduced by volume discounts. We then customize the mass produced DRO LNB into an external reference version at 1/100 the cost of designing and building from scratch.
Enhancing Standard Product
Mass-production means low-cost, reliable, repeatable products. Engineers design these products well within margins on component specifications so that individual tuning is not required to meet desired specifications.
As we modify product, we also tweak the design and components to optimize them for their inherent capabilities. Effectively, we bring out the full potential of the product by adjusting components to their full capability.
Options
- Other input / output frequency ranges available
- Custom IF amps capable of +17 dBm 3rd order intercept point
- Full test documentation available
- Custom design and labelling requirements welcomed
- Temperature compensated gain
Loss of Lock Alarm – LOLA (optional)
LNBs can lose oscillator lock from internal failure or loss of the 10 MHz reference. The LOLA detects this anomaly and increases the current consumption of the LNB over the IFL cable to trigger a redundant switch or other detector. No extra ports, cables or infrastructure are required.
Simply hookup the LNB with 10 MHz present, set the current windows on the redundancy system so they are just out of triggering, then turn off the 10 MHz to trigger the LNB LOL circuit. The redundant switch should activate. Restore 10 MHz and the LOLA will reset.
It should be noted that these LNBs are exceptionally good for 10 MHz lock range. They will stay locked under adverse 10 MHz conditions and keep the system in sync.
Orbital 692X Series C Band Ext Ref LNB Specifications
Click to download specs & mechanical PDF
| Electrical Specifications | |||
| Input | |||
| Frequency: | 18.2 to 19.2 GHz, 19.2 to 20.2 GHz, | ||
| 20.2 to 21.2 GHz, 20.2 to 21.3 GHz, | |||
| 21.2 to 22.2 GHz, 21.4 to 22.0 GHz | |||
| (Standard frequencies. Others available) | |||
| Bandwidth: | up to 1,100 MHz (depends on input freq) | ||
| Input Stability: | Unconditionally stable | ||
| (no oscillation) for all possible input loads | |||
| Input VSWR: | 2.5 : 1 nominal | ||
| Noise Figure: | <10 dBm @ 23°C configuration dependant | ||
| RF Impedance: | 50 Ohms | ||
| Return Loss: | ³12 dB | ||
| Signal Level: | -70 to –40 dBm (-20 dBm max) | ||
| Output | |||
| Bandpass: | 950 to 1950MHz (standard) | ||
| Other outputs available | |||
| Output VSWR: | 2.1 : 1 maximum @ 75W | ||
| Output Stability: | Unconditionally stable | ||
| (no oscillation) for all possible input loads | |||
| 1 dB Compression Point: | |||
| +3 dBm min, up to +7 dBm (optional) | |||
| 3rd Order Intercept: | |||
| +13 dBm min, up to +17 dBm (optional) | |||
| Return Loss: | ³10 dB | ||
| 10MHz Reference | |||
| Level: | -10 to 0 dBm | ||
| Local Oscillator | |||
| Frequency: | 17.25, 18.25, 19.25, 20.25, 20.45 GHz | ||
| Stability: | Dependent on external reference | ||
| Leakage: | -45 dBm maximum @ IF output & input | ||
| Phase Noise using Orbital POP 10 MHz reference Oscillator: | |||
| POP | MilStan 188-164 | ||
| -65 dBc/Hz | @100Hz | -62 dBc/Hz | |
| -80 dBc/Hz | @1kHz | -72 dBc/Hz | |
| -85 dBc/Hz | @10kHz | -82 dBc/Hz | |
| -101 dBc/Hz | @100kHz | -92 dBc/Hz | |
| Gain | |||
| Typical: | 20 dB | ||
| Variation over Temperature & Frequency: | |||
| ±2.0 dB maximum | |||
| Gain Flatness: | ±0.75 dB max over any 27 MHz segment | ||
| In-Band Spurious Rejection: | |||
| >45 dBc | |||
| Image Rejection: | >40 dB | ||
| Power | |||
| DC Input: | 12 to 15 VDC, 450 mA maximum | ||
| Filtering: | Transient, over and reverse voltage protected | ||
| Mechanical Specifications | |||
| Size: | 26 x 51 x 122 mm | ||
| (with plate) | |||
| Weight: | 350 grams | ||
| Paint: | Blue Allodyne finish to MIL SPEC C-5541 Cat 3 | ||
| Environmental Specifications | |||
| Operating Temp: | -35 to +55°C | ||
| Relative Humidity: | Up to 100% condensation and frost |
Environmental
- O ring sealed connectors for weather resistant operation
- protected from shock, vibration, low power, over-voltage, surges, transients, and static discharge
- highest quality components insure against failure due to environmental extremes, such as arctic cold, Saharan heat, and rain-forest humidity
BDC Solutions
The term BDC is commonly used to refer to the modules (which look like an LNB with the waveguide removed and replaced with a connector), and to the rack-mounted unit which might contain from one to several BDC modules. BDCs are increasingly used in outdoor units at the antenna - ODUs, and have an indoor rack mounted controller - IDUs. BDCs are commonly used when a client uses multiple BDCs and a single LNA to cover the entire band.
4 BDC Solution
How to order a 692X Series Ka-Band Ext Ref BDC
For pricing options please call 1-604-856-0305 or contact us.
