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Home / RF Problem Solvers / Inovonics 514 - INOmini FM Multiplex Decoder
Inovonics 514 - INOmini FM Multiplex Decoder - 305broadcast
Inovonics 514 - INOmini FM Multiplex Decoder - 305broadcast
Inovonics 514 - INOmini FM Multiplex Decoder - 305broadcast
Inovonics 514 - INOmini FM Multiplex Decoder - 305broadcast
Inovonics 514 - INOmini FM Multiplex Decoder - 305broadcast
Inovonics 514 - INOmini FM Multiplex Decoder - 305broadcast

Inovonics 514 - INOmini FM Multiplex Decoder

$675.00
We try to have plenty of inventory available to satisfy our customer's needs, however Due to the recent supply chain situation. We suggest you verify by contacting us Availability before placing your order online.

Inovonics 514 - INOmini FM Multiplex Decoder

Overview

Inovonics’ INOmini 514 is a standalone decoder for FM-stereo multiplex signals.  It accepts a demodulated FM-baseband input and decodes the signal to discrete left and right channel audio.  The recovered stereo program is available as a professional line-level balanced output, and also as an AES digital audio signal. 

Local alarm ‘tallies’ and selectable de-emphasis curves make the INOmini 514 an essential tool for professional applications wherever a stereo-baseband signal needs to be decoded and monitored.

Features

  • Decodes Composite/MPX signal into L/R audio
  • Analog L/R and AES-digital program line outputs
  • Accurate front-panel metering
  • Front-panel alarms with rear-panel ‘tallies’ for program Audio Loss (silence sense) and stereo Pilot Loss (stereo/mono status)
  • Conforms to the worldwide FM ‘pilot-tone’ system; selectable 75μs/50μs de-emphasis

 

Specifications

MULTIPLEX (MPX) INPUT
Unbalanced/bridging (BNC); 10k input impedance; requires 0.5V p-p minimum signal. 

L/R ANALOG LINE OUTPUTS
Active-balanced (XLR), 200-ohm source impedance; +4dBu output at ‘0dB’ on front-panel meter. 

AES DIGITAL OUTPUT
Transformer-balanced (XLR), 44.1kHz sampling rate; –6dBFS output at ‘0dB’ on front-panel meter.

HEADPHONE JACK
3.5mm (TRS) for low-Z or high-Z phones; fixed listening level. 

PROGRAM AUDIO DE-EMPHASIS:
75μs/50μs, selected with push-on jumpers under the top cover.

FORCED-MONO OPERATION
Enabled with a push-on jumper under the top cover. 

AUDIO FREQUENCY RESPONSE
Follows selected de-emphasis characteristic ±0.5dB, 20Hz to 15kHz.

NOISE
(Unweighted SNR re: ±75kHz deviation):
MONO: ≥72dB; analog/digital 
STEREO: ≥70dB; analog/digital

DISTORTION
≤0.05% THD, 20Hz to 15kHz (analog/digital)

STEREO SEPARATION
>50dB 20Hz to 15kHz (analog/digital)

ALARM TALLIES
Individual open-collector NPN transistor outputs for Program Audio Loss (either/both channels) and Pilot Loss (stereo/mono indicator)

POWER REQUIREMENT
12VDC at 230mA. A ‘wall-outlet transformer’ (WallWart®) switching-type power supply appropriate to the destination AC mains voltage is provided. 

MOUNTING OPTIONS 
An optional rack adapter accepts up to three INOmini modules in a 1U, 19-inch rack space. Alternatively the 514 may easily be fastened to any convenient surface with two small screws.

SIZE AND WEIGHT
1.6”H x 5.5”W x 5.5”D; 4 lbs. shipping weight.