Broadcast Partner DRM-R2 User Guide
DRM-R2 Manual
DRM-R2
Manual
st
edition
1
December 5, 2003
© 2003, Broadcast Partners, The Netherlands - 1 -
DRM-R2 Manual
About DRM
DRM, short for Digital Radio Mo ndiale, is the wor ld's only non-p roprietary, digital s ystem for AM with th e ability to use ex isting
frequencies and bandwidth across the globe.
With near-FM quality sound offering a dramatic improvement over analogue AM, DRM will revita lize the AM broad casting band s
below 30 MHz in markets worldwide.
Broadcast Partners is at the forefront of this exciting new technology, putting a lot of effort in research and development.
To let you experience the benefits of DRM programs broadcasted around the globe, Broadcast Partners has developed a lowcost receiver which can be attached to any PC with DRM decoding software.
Broadcast Partners DRM tuner
Broadcast Partners' new tuner is a low-cost solution for innovators in the world of radio who like to experience this new
evolution of radio.
Modification of existing tuners (such as Kenwood and Yaesu), with the risk of losing your warranty, is no longer necessary.
This DRM kit delivers the hardware the way you want it.
Specifications
• Listen to up to 4 DRM stations
• Superior Automatic Gain Control
• Operates with standard DRM software (www.drmrx.org)
• Excellent image rejection, sensitivity and selectivity
• Requires separate DRM software (available for approx. €60 at www.drmrx.org)
© 2003, Broadcast Partners, The Netherlands - 2 -
DRM-R2 Manual
Contents of the kit
The kit consists of an assembled and tested Printed Circuit Board.
Schematic
Frequency selection is done by activating the DIP switch for one of the channel crystals.
Technical specifications
Parameter Description Min. Typ. Max. Unit
General
Receiving band input filter Option A
Option B
Option C
Channels - 4 -
IF Frequencies IF 1
IF 2
IF 3
Sensitivity - 10 - uV
Audio output
Adjustable output level 0 - 500 mV
Output resistance - 5 - kOhm
Audio bandwidth 6 - 18 kHz
Power supply
DC Supply voltage 15 - 35 V
Current consumption - 100 - mA
Dimensions of PCB
Length - 148 - mm
Width - 100 - mm
0
5.4
13.7
-
-
-
-
-
-
10.7
455
12
2.0
11.8
17.6
-
-
-
MHz
MHz
MHz
MHz
kHz
kHz
© 2003, Broadcast Partners, The Netherlands - 3 -
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