NLRFM1

High fidelity FM Receiver

87.5-108 MHz Range

Ø      FM Receiver for rebroadcast applications or Station Monitoring

Ø      State of the art sound quality

Ø      Dynamic selectivity

Ø      100 microvolts stereo sensitivity

Ø      Great performance in the presence of strong electromagnetic fields

Ø      Unbalanced audio mpx output

Ø      Bandpass filter included

This receiver is very versatile and can be use for re-broadcasting or as a monitoring unit for any broadcast station. The selective front end filter is built-in the unit and must be adjusted on the desire frequency.

TECHNICAL SPECIFICATIONS

Frequency Range                                                                                                                                                                    87.5 –108 Mhz

Modulation                                                                                                                                                                                   FM Class F3

VCO Spectrum tuning                                                                                                                                                                      > 25 Mhz

Channel Spacing                                                                                                                                                                                  10 Khz

Tuning                                                                                                                                                                                  Synthesized PLL

Frequency Stability                                                                                                                       <2 ppm from 0° to 50° C ( 32° to 122° F)

RF input connector                                                                                                                                                                           “ N “ type

RF input impedance                                                                                                                                                                         50 Ohms

Maximum RF input Signal                                                                                                                                                                     0 dBm

Muting level selectable                                                                                                                  - 100 dBm to 0 dBm (- 70 dBm standard)

Rejection                                                                                         1st Adjacent channel:  typ. 20 dB;    2nd Adjacent channel  typ.  50 dB

IF Frequency                                                                                                                                                             10.7 Mhz  and  700 Khz

Sensitivity                                                                                       100 uV for a >68dB S/N; 10 uV for a >55 dB S/N; 5 uV for a >50dB S/N

Selectivity                                                                                                                                                                         40 dB @ ± 600 Khz

Base band                                                                                                                                                           25 Hz – 60 Khz @ ± 0.5 dB

S/N Ratio ( Stereo demod.)                                                                                                                                            > 65 dB @ ± 75 Khz

Image frequency rejection  (tuner)                                                                                                                                                      > 50 dB

Image frequency rejection  (tuner + filter)                                                                                                                                          > 80 dB

MPX  OPERATION                                                                                                                                                                                       

Output Connectors                                                                                                                                                                                  BNC

Amplitude response                                                                                                ± 0.07 dB (20 Hz- 60 Khz ; ± 0.5 dB ( 60 Khz – 75 Khz)

Stereo crosstalk                                                                                                                                                                                   >40 dB

Total harmonic distortion                                                                                                                                                < 0.2 % @ ± 75 Khz

Output impedance                                                                                                                                                                            30 Ohms

Earphone Impedance                                                                                                                                                                     10 Kohms

GENERAL CHARACTERISTICS                                                                                                                                                                 

Temperature Range                                                                                                                                           -0° to 50° C (32° to 122° F)

Power Supply                                                                                                                                                                           100 V to 250 V

Power consumption                                                                                                                                                                            < 50 VA

Dimensions                                                                                                                 483 mm (19”) x 44 mm (1.74 “) x 365 mm ( 14-1/2” )

Packaged Weight                                                                                                                                                                  4 Kg  ( 8.8 lbs)

E-mail: info@NicomUsa.com