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Section I
INTRODUCTION
Product Description
The INOmini 633 is an FM-only receiver for off-air broadcast
monitoring and re-broadcast (translator) service. It receives
standard analog FM broadcast transmissions and also de-
codes the digitized text and ‘housekeeping’ data that is
transmitted to the North American RBDS (Radio Broadcast
Data System) and European RDS (Radio Data System) stand-
ards. These both will be referred-to simply as ‘RDS’ in this
manual, but differences are defined in a later section.
The front-panel, back-lighted LCD display is host to numer-
ous menu screens, which enable easy setup of the 633, and
display both signal quality and RDS RadioData information.
Product Features
Features of the Inovonics 633 include:
Sensitive and selective DSP-based receiver.
Receives worldwide-standard FM radio broadcasts
and optional associated RDS data.
Offers ‘Extended-Band’ coverage down to 76MHz.
Easy setup using the LCD screen and jog-wheel navi-
gation of the receiver’s menu tree.
Front-panel display of most-essential FM RDS infor-
mation including RT+ ‘tagging’ data; USB port sends
RDS data to any PC for analysis.
Analog L/R and AES-digital program line outputs.
Front-panel alarms with rear-panel ‘tallies’ for Carrier
Loss and Audio Program Loss.
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Product Specifications
Tuning Range:
76.0MHz – 108.1MHz in 100kHz steps
Antenna Input:
75-ohm (F)
Receiver Sensitivity:
10µV for 50dB monaural FM S/N
Audio Frequency Response:
30Hz–15kHz
FM De-Emphasis:
75µs/50µs selectable
RDS Fields Displayed:
AF, CT, DI, M/S, PI, PS, PTY, PTYN
RT, RT+, TA, TP; Groups Received
Program Audio Output(s):
+4dBu balanced Analog Left/
Right (XLR), 200-ohm source impedance; AES Digital
(XLR), 44.1kHz sampling rate; Front-Panel Headphone
Jack (3.5mm TRS)
USB Port:
Raw RDS data for external analysis (software
provided)
Alarm Tallies:
Individual open-collector NPN transistor
outputs for Carrier Loss and Audio Loss
Power Requirement:
12VDC at 140mA. A ‘wall-outlet
transformer’ (WallWart®) switching-type power supply
appropriate to the destination AC mains voltage is pro-
vided.
Mounting Options:
An optional rack adapter accepts up to
three INOmini modules in a 1U, 19-inch rack space, or
the 633 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.
