Samson VHF Micro TRUE DIVERSITY WIRELESS Benutzerhandbuch
44
System Specifications:
Channels
6
Frequency Type
F3
Modulation Type
FM
Noise Reduction Type
Compander/Expander
Distance
300 feet
Transmitter / Emetteur / Sender / Transmisor (VT3L 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
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
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
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 (VM1):
Local Oscillator System
Crystal Controlled
Receiving System
Single conversion Super Heterodyne Diversity
De-emphasis
50
µ
sec
IF Frequency
10.7 MHz
Antennas
5/8 Wavelength
In/Out
5.5 DC Inlet, 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 level,
Headphone volume, Meter function switch
Operating Temperature Range
-10° C / 55° C
Power Requirement
9 VDC, 65 mA (min.) - 140 mA (max.)
@ 9 V Battery or supplied AC adapter
Frequency Range
U.S. Model
173.8 MHz - 213.2 MHz
Band A (European/UK models)
160.1 MHz - 177.9 MHz
Squelch Sensitivity
10 dBuV to 21 dBuV adjustable
Sensitivity (AF = 1 kHz, dF = 20 kHz)
=<6 dBuV @ 20 dB S/N
Selectivity
± 150 kHz BW, nominal @ -60 dB
T.H.D.
< 1% @ 1 kHz
Signal to Noise Ratio
> 100 dB (w/IHF-A Filter)
Audio Frequency Response
50 Hz - 15 kHz (±3 dB)
Audio Output Levels
-10 / -20 / -30 dBv unbalanced
Audio Output Impedance
50 k Ohms
Dimensions (W x H x D, without antennas)
66 x 26 x 108 mm (2.6 x 1 x 4.3 in.)
Weight
120 g (0.24 lb) without Battery
Specifications