Pink Noise Generator Module.

This item has been assembled, and electrical test passed.
Random digital noise.
33 bit shift register.
Clock frequency adjustable between 10KHz and 150KHz.
Pink noise filter: -3 dB per octave (20 ~ 20000Hz).
High quantity terminal block, easy connection wire.
FR-4 Fiber glass PCB.

Operating voltage: 11 ~ 15VDC, or 9 to 12VAC.
Operating current: <10 mA (at 12VDC).
Output level: 150mA RMS. (at clock frequency 40KHz).
PCB Size: 73mm x 38mm / 2.9" x 1.5".

Terminal block Connect:
Power supply --- CN2, for DC input, positive connect "V", negative(or 0V) connect "GND". for AC input, AC1 connect "V", AC2 connect "GND".
Signal output --- CN1, "OUT" is signal, "GND" is signal ground(or 0V).