B4-2K
Precision, high power 4:1 balun
| Balun Type
|
Voltage |
| Ratio |
4:1 |
| Operating Bandwidth |
80 - 10
m |
| Power Loss |
< .6
dB |
| Saturation Resistant |
No |
| Internal Transmission Line Z
|
» 40
Ohms |
| Core Type |
Ferrite
Toroid |
| Power Rating @ 3.5 MHz |
1.5 kW
if SWR < 3:1 * |
| Output Balance |
Good |
| Load Variation Tolerance |
Good |
| Input connector |
SO-239 |
| Output Connector |
Wire |
| Size, case |
3.5" x
3.5" |
* Important: Not rated for AM, RTTY or
other high duty-cycle modes. Power rating is for normal SSB and CW duty-cycles
only.
| Applications: All B4-1.5K applications. Folded dipoles,
delta-loops, or any general purpose 200 - 300 ohm applications. Use the B4-2KX
in precision applications: Wire beams, KT-series Yagis, etc. |
Top of the Line
Laboratory
Developed
Fresh Design
Approach
Large Toroidal Cores
Precision transmission line
designs
Special, Large Gauge, High
Temperature,
High Voltage
Wire.
Network Compensation for
Wide Bandwidth
Talk about something SPECIAL!
The B4-2K is a high quality 4:1 voltage-type balun. Special ferrite
toroids manage reactance and provide the very high inductance values necessary
in a 4:1 balun. This balun uses a large, efficient, toroid core, heavy, high-
voltage wire, and special winding techniques. All this, combined with our
exclusive, built-in L-C compensation networks achieves wide bandwidth,
excellent output balance and a high power safety factor. It's an unbeatable
combination. It's the best 4:1 voltage balun.
