Samson VHF Series, VHF TD Series owner manual Specifications, US Patent 5,465,411

Specifications

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 / Ré cepteur / Empfä nger / 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

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