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- Order number: EFD1000018
NF - Preamplifier for very small input voltages - for example from dynamic -, electret -, computer microphones or similar ...
A "strong" and well modulated transmit signal is easier, better and faster audible, increases the efficiency of the transceiver and creates a listening experience.
super flat: only 3,5 mm
super small: only 13 x 42 mm (W-D)
frequency range: 150 Hz - 10 kHz
operating voltage: 5 - 16V/DC
operating current: ca. 1.5 mA
amplification: 5 mV - 5 V / 1 kOhm
Gain can be adjusted separately by two trimmers.
HF-protected, two-stage, DC-voltage for electret microphones
fixation by adhesive tape
At the input of the preamplifier, all microphones with an impedance of about 150 ohms to 50 ohms can be connected.