Bird Variable RF Signal Samplers
Models 4273 and 4275 are wide range adjustable Thruline® RF Couplers for signal observation on a scope or frequency counter input. The output signal produced at the BNC output connector is an attenuated, unrectified signal. They offer very low insertion VSWR across their frequency range and insertion loss is less than 0.2 dB. Both couplers have locking devices on their attenuation control.
- 4273 Series, RF Samplers are a low frequency couplers for the 1.5 to 35 MHz band and offer a sample that ranges from 40 to 70 dB below the main power level.
- 4275 Series, RF Samplers cover a frequency band of 20 to 1000 MHz with an attenuation range of 35 to 80 dB down from the main power.