Vhf 220 mhz uhf – RF Neulink NL5000-T User Manual

Page 8

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8

VHF 220 MHz

UHF

2.3

RECEIVER

Operating Bandwidth

26 MHz

28 MHz

20 MHz

Sensitivity (12 SINAD w de-emphasis)

0.30 uV (-117.5 dBm)

RF Input Impedance

50 ohms

Adjacent Channel Selectivity


+/- 12.5 kHz w narrow IF

60 dB min.


+/- 25 kHz w wide IF

70 dB min.

Spurious and Image Rejection

70 dB min.

Intermodulation Rejection

67 dB min.

FM Hum and Noise (per TIA/EIA 603)


12.5 kHz channel operation

35 dB min.


25 kHz channel operation

40 dB min.

Conducted Spurious

-57 dBm max.

Receive Attack Time (transmit to receive)

15 ms max.


Noise Squelch Attack Time

13 ms max.


RSSI Squelch Attack Time

5 ms max.

Audio Distortion (per TIA/EIA 603)

5 % max.

Audio Response at AUX OUT (+1/-3 dB, ref 1 kHz)

12.5 kHz channel operation

100 Hz to 3.5 kHz

25 kHz channel operation

100 Hz to 5 kHz

Group Delay Variation (100-3500 Hz)

20 us max.

Receive Current Drain

80 mA max.

80 mA max.

75 mA max.


AUX OUT Adjustment Range

w de-emphasis (@ 1 kHz)

50 to 500 mV rms open circuit


flat

250 to 1800 mV rms open circuit


AUDIO OUT Adjustment Range (@ 1 kHz)

400 to 1750 mV rms


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