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Electrical Specifications - Specifications guaranteed from -55 to +100°C, measured in a 50Ω system.
Parameter Frequency Range Min Typ Max
Insertion Loss (dB) 200 kHz to 10 GHz 5.5 7.5
Input 1 dB Compression (dBm)1 37
Nominal Phase Shift (Degrees) 180
Amplitude Balance (dB) ±0.2 ±0.6
Phase Balance (Degrees) ±2 ±6
Common Mode Rejection (dB) 25 35
Isolation (dB) 8
VSWR (Input) 1.5
VSWR (Output) 1.75
Risetime /Falltime (ps)2 13
Weight (g) 32
1Measured in a well-heat sinked environment. 2Specified as 90%/10%. Calculated from τbalun2 = (τout2 – τin2)
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BALH-0010 Balun Package Diagram
An RF/microwave balun (or transformer) is a device that takes an input signal at a given impedance and outputs both the same signal and an inverted version of the signal at a (potentially) different output impedance. They are suitable for applications in differential signaling, integrated circuit testing, and general lab and experimental use. The main figures of merit for a balun are the amplitude (ideally 0 dB across the band) and phase balance (ideally 0 degrees, meaning perfectly 180 degrees out of phase, across the band). Our BAL-0003, BAL-0006, and BAL-0010 are instrumentation grade 50 Ω input: 50 Ω output (100 Ω differential) baluns with excellent phase and amplitude match to kHz frequencies. The high power balun variations (the BALH-0003, BALH-0006, and BALH-0010) can be used as either 1:1 or 1:2 transformers (that is either 100 Ω or 50 Ω differential/ 50 Ω or 25 Ω single ended output). These baluns have reduced insertion loss but increased output return loss at the outputs when used in a 50 Ω system. They have a higher power handling capability of up to 10 W.

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