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Midian Electronics NFBF-10C

Tunable Notch Filter and Band-Pass Filter (80-200 Hz)
This product comes complete in a box with 600 ohm balancing transformers and a wall power adaptor. The product has an RJ-11 input (source audio) and an RJ-11 output (destination audio) with the middle pair being used for 2-wire audio.
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Item SKU Number:  512315
Manufacturer Part Number:  NFBF10C, NFBF 10C, NFBF-10C
FCA point / Shipped from:  USA 
 Download Free Materials:
  
Adobe Acrobat Reader Midian_NFBF-10_brochure.pdf (1360.00 KB)
  
Adobe Acrobat Reader Midian_NFBF-10_manual.pdf (475.12 KB)
 Item Details:


Midian Electronics NFBF-10 600 OHM Balanced Line Audio Amplifier with Tunable Notch Filter / Bandpass Filter / Low-High Pass Filter with AGC

Midian's NFBF-10 is a single channel 600 ohm balanced line audio amplifier with a tunable notch filter and AGC as well as an adjustable gain output stage. It can be used in several ways. It may serve as a simple single channel line audio amplifier, an AGC amplifier, a tunable notch filter, or a combination of these functions. It's most common use it to remove the 2175 Hz tone remote keying tone from voice recording systems and 1950 Hz Pilot Tone from voting systems. A high pass, low pass, bandpass filter can be effected through the use of jumpers.


Applications

Notch Filter: As a notch filter, the NFBF-10 will remove the undesirable tone from the incoming audio while passing the rest of the audio. The NFBF-10A is commonly used to remove 2175 Hz keying tone from tone remote radio dispatch systems going into a voice recorder. The NFBF-10C is used to remove CTCSS tones from audio.

Band-Pass Filter: As a band-pass filter, the NFBF-10 will block all audio except for the desired frequency.

High Pass / Low Pass Filter: Through the use of jumpers, a high pass or low pass filter can be created by eliminating the bandpass or notch filters.

600 OHM Balanced Line Audio Amplifier: Has an adjustable input gain control and an adjustable output gain control.

AGC Amplifier: Has a jumper selectable AGC Amp that can be installed between the input and the line driver amplifier.


Features:

- Band pass filter passes desired tone while rejecting all others
- Notch filter removes annoying tones from receiver audio
- Option A: Tunes from 1200 - 2600 Hz
- Option B: Tunes from 700 - 3000 Hz
- Option C: Tunes from 80 - 200 Hz
- 3 year warranty


This product comes complete in a box with 600 ohm balancing transformers and a wall power adaptor. The product has an RJ-11 input (source audio) and an RJ-11 output (destination audio) with the middle pair being used for 2-wire audio.




Midian Electronics manufactures voice encryption and tone signaling devices for Two-Way radio for use by Public Safety users. Products include plug-in scramblers for radios such as Motorola, Vertex, Maxon, Tait, & Icom, Two-Tone & DTMF encoders and decoders for emergency alarms, and products compatible with Motorola's MDC-1200 signaling format.

Midian's tone signaling and encryption products fit a wide variety of applications. They are used by public safety (police, fire, and ambulance), fleet (taxi, towing, fishing, etc.), government, industrial, and OEM users.

Midian's products have been used by: United States Armed Forces, Indian Army, Mexico City Federal Police, Riyadh Police Force, Spanish Guardia Civil, and many others.





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