Hey,
I'm looking for a good amplifier, but I am not using it for what most would naturally assume.
I am making an ultrasonic cleaner, and I need a frequency response ≥45kHz and an RMS ≥55W. The ultrasonic transducers I wish to drive have a Resonant impedance Zm of ≤ 8Ω.
Here are all of the stats on them:
1- Planar vibration mode application.
2- Resonant frequency fr: 42KHz ± 4KHz
3- Resonant impedance Zm: ≤ 8Ω
4- Electromechanical coupling coefficient Kp:≥62
5- Static capacitance Cs: = 7100pF±15%@1kHz
6- Testing condition: 23±3 C 50~80% R.H.
7- Fr Zm Kp: Planar mode by impedance analyzer
8- Cs: LCR meter at 1KHz 1Vrms
I found the Pyle Pro PT2000 and PT1000, they both look good, however I was wondering if you guys had any better suggestions. I am using my computer's sound card, or FPGA to generate a square wave at 45kHz, so the signal generation is not a problem, the only questions is finding a good amp to drive the transducer.
Thankyou in advance!
Obnauticus
