Справочник Пользователя для Samson VHF Series

53

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.

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 k

Ω

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

Specifications