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Samson VHF Series Manual

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Transmitter / Emetteur / Sender / Transmisor (VT3L, VT3 and VH3):
Transmission Mode Frequency modulation, 80KF3E, 20 kHz peak deviation
Frequency Range 173.80 MHz to 213.20 MHz, 25 frequencies
Band A (European / UK models) 160.10 to 177.90 MHz
Band B (European / UK models) 189.10 to 210.10 MHz
OSC System Crystal controlled, x9 multiplication
RF Power 20 mW (USA models), 2 mW (European / UK models)
Operating Range 300 ft.
Frequency Stability ± 10 ppm
Approvals Complies with ETS 300 422 and FCC Part 74
Radiating Harmonic and Spurious Emission Below limits of applicable regulations
Antenna Type Internal
Audio Frequency Response 40 Hz to 16 kHz ±3 dB
Pre-Emphasis 50 µSec
Noise Reduction System NE571 based compandor
Signal To Noise Ratio > 100 dB
Maximum Input Level 0 dBv (VT3L, VT3), -20 dBv (VH3)
T.H.D. < 1% @ 1 kHz
Current Consumption 32 mA (typical)
Battery Life (MN1604 9-volt alkaline) 14 hours (typical)
Operating Temperature -10 to +55 degrees C
Controls
VT3L / VT3 Power On/Off, Mute On/Off, Level Control (Trimpot)
VH3 Power On/Off, Audio On/Off, Level Control (Trimpot)
LED Indicator Battery high/medium/low
Dimensions
VT3L / VT3 65 (W) x 22 (H) x 100 (D) mm (2.6 x .87 x 4 in.)
VH3 37 (W) x 240 (H) mm (1.46 x 9.45 in.)
Weight 110 grams • 3.9 oz.
Receiver / Récepteur / Empfänger / Receptor (VR3TD and VR3):
Receiving System
VR3TD Single conversion Superheterodyne, Microprocessor True Diversity*
VR3 Single conversion Superheterodyne, Non-Diversity
Frequency Range 173.80 MHz to 213.20 MHz, 25 frequencies
Band A (European / UK models) 160.10 to 177.90 MHz
Band B (European / UK models) 189.10 to 210.10 MHz
Receiving Mode 80KF3E
Sensitivity < 3 µV for 20 dB SINAD, < 10 µV for 50 dB S/N
Selectivity 120 kHz BW, nominal @ -6 dB, ± 300 kHz (adj CH), -75 dB
Squelch Sensitivity 2.5 µV to 250 µV adjustable
IF 10.7 MHz
Local Oscillator System Crystal controlled
Noise Reduction System NE571 based compandor
De-emphasis 50 µsec.
Signal To Noise Ratio > 100 dB (IHF-A) line out, > 90 dB (IHF-A), mic out
Audio Frequency Response 40 Hz to 16 kHz ±3 dB
T.H.D. < 1% @ 1 kHz
Audio Output Levels -10 dB unbalanced (1/4" phone connector),
-20 dBm / -40 dBm balanced (XLR connector)
Audio Output Impedance 5 kΩ unbalanced, 600 Ω balanced
Antennas 1/4 wavelength telescopic
Operating Temperature -10 to +55 degrees C
Controls Volume, Squelch, Power
LED Indicators
VR3TD TX On / Antenna A or B (2 LEDs) / Power / AF Level (5 LEDs)
VR3 TX On / Power/ AF Level (5 LEDs)
Power Requirement 12 Volts DC, 80 mA typical (160 mA max.), AC adapter supplied
Dimensions (W x H x D, without antennas) 215 x 44 x 80 mm (8.5 x 1.75 x 3.2 in.)
Weight (including antennas) 300 g • 0.7 lb.
Unit conforms
* US Patent 5,465,411
Specifications
… 53


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