Samson UM1 Specifications download pdf (Page 44)

System Specifications:

Channels 6

Frequency Type F3

Modulation Type FM

Noise Reduction Type Compander/Expander

Distance 300 feet

Transmitter (UH1, UT1L, UT1G):

Oscillation Type Direct PLL

Pre-emphasis 50 µsec

Antenna

UH1 Integral Antenna

UT1L / UT1G 1/4 Wave Length Wire (Pig Tail)

Input (UT1L) TB3M Switchcraft Connector

Maximum Input Level 3 V p-p

Battery Duracell MN1604 9-volt alkaline

Operating Temperature -20° C / 55° C

Switches / Controls Power ON/OFF, Audio ON/OFF

UH1 Mic Level Volume

UT1L / UT1G Audio Level

Display (LED) Battery Low/Mid/High (corresponds to <5.3 V / 5.3 - 7 V / >7V)

Operating Voltage 9 Volts +20% / -40%

Current Consumption 47 mA

RF Power 10 mW

Frequency Stability ±20 kHz

Spurious Ratio 2.5 nW

Deviation 20 kHz (16.5 kHz - 23.5 kHz)

T.H.D. (Overall) 0.5% (3% max) (@AF 1 kHz, RF 46 dBu)

AF Frequency Response 50 Hz - 15 kHz (±3 dB overall)

Battery life 12 hours typical

Receiver (UM1):

Oscillation Type Crystal Controlled

Receiving Method Single Super Heterodyne / True Diversity

De-emphasis 50

µsec

IF Frequency 10.7 MHz

Local Frequency 70 MHz Range (79 - 79.5 MHz)

Antenna 1/4 Wavelength Rod

In/Out 5.5 DC Inlet, Balanced Output (Switchcraft TA3F mini-XLR),

Unbalanced Output (3.5 mm phone jack), Headphone Output (3.5 mm phone jack)

Display (LED) Receiver A/B (Orange), Peak (Red), RF Level / Battery Strength (3 pc)

Peak LED lighting point AF output level approx. +4 dB

Controls Audio Level swtitch, Squelch volume,

Headphone volume, Meter function switch

Operating Temperature 0° C / 55° C

Operating Voltage AC adapter DC 6 - 13 Volts, 9 volts battery

Current Consumption >60 mA (no signal, all LEDs off)

Receiving Frequency Range 801 - 805 MHz

Squelch Sensitivity 17 dB

µv ±4 dB

T.H.D. (Overall) 1% Max (@AF 1 kHz, RF 56 dBuv)

Dynamic Range 95 dB (w/IHF-A Filter)

AF Frequency Response 50 Hz - 15 kHz (±3 dB overall)

Audio Output Level 0 dBv ±2 dB (Maximum +9 dBV ±3 dB @ 3% THD)

Audio Output Impedance 1 k Ohms max. (Unbalanced), 600 Ohms (Balanced)

Headphone Output Impedance 32 Ohms

Battery life 12 hours typical

Specifications

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Samson UM1 Specifications Page 44

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