Synthesized VHF IFB Transmitter
Rio Rancho, NM
13
Specifications
Operating Frequencies (MHz):
174.100 to 215.750 MHz
Available Frequencies:
239
Channel Spacing:
175 kHz
RF Power Output:
50 mW
Frequency Stability:
±.001% (10 ppm) @ 25° C
Temperature Stability:
±.001% (10 ppm) from -30° C to +50° C
Channel Selection:
Momentary pushbutton switches, tune Up and Down
Compatibility Modes (2)
IFB and Digital Hybrid Wireless
®
(400 Series)
Pilot Tone:
29.997 kHz IFB & 400 MODE; each frequency has a
unique pilot tone
Modulation:
• IFB Mode: FM, ±20 kHz deviation
• Digital Hybrid Mode: ±75kHz
Audio Frequency Response:
• IFB Mode: 100 Hz to 8 kHz, ±1 dB
• Digital Hybrid Mode: 30Hz to 20kHz ±1dB response
(see Rolloff)
Rolloff:
Low frequency audio rolloff is menu selectable for
3 dB down at 35 Hz or 50 Hz.
Audio Compressor:
2 to 1 (IFB mode)
Input Limiter Range:
30 dB
Output Impedance:
50 ohms
Audio Input Levels:
• 0 dBu for Line, RTS1 & RTS2
• -10 dBu for Clear Com
• -42 dBu for mic dry inputs (no phantom power)
• +/-50Vdc max
Audio Input Config:
Balanced and Unbalanced, rear panel selectable for
Line, Mic. RTS 1, RTS 2, and Clear Comm
Audio Input Impedance:
Greater than 2 K balanced, greater
than 1 K unbalanced at any gain setting
Gain Control Range:
-18 dB to +24 dB (0 dB nominal center),
Menu selectable
Audio Input Jack:
Standard XLR female connector
Power Requirements:
12 to 14 VDC typical, 200 ma. max.;
Max. Input Range 6 to 18 VDC
Power Input Jack:
Coax type, locking LZR RL26AE
Indicators:
Backlit Liquid Crystal Display. Displays modulation
meter, frequencies, modes, roll-off and audio level
Front panel controls:
• MENU momentary pushbutton switch
• Power OFF-TUNE-XMIT, 3 position slide switch
• Select Up momentary pushbutton switch
• Select down momentary pushbutton switch
Rear panel controls:
Input Mode Select, 4 section DIP switch
Weight:
9 ozs.
Size: 5.25” L (including connectors) x 3.25” W x 1.25” H
Emission designator:
180KF3E
Specifications subject to change without notice.
FCC Notices:
This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
This equipment complies with the FCC RF radiation exposure limits set
forth for an uncontrolled environment. This equipment should be installed
and operated with a minimum distance of 20cm between the radiator and
any part of your body.
This device complies with Industry Canada’s license-exempt RSSs. Operation is subject to
the following two conditions:
(1) This device may not cause interference; and
(2) This device must accept any interference, including interference that may cause unde-
sired operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils
radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes:
(1) l’appareil ne doit pas produire de brouillage, et
(2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d’en compromettre le fonctionnement.
This equipment complies with the IC RF radiation exposure limits set forth for an uncon-
trolled environment. This equipment should be installed and operated with a minimum
distance of 20 cm between the radiator and any part of your body.
Содержание IFBT4-VHF
Страница 2: ...IFBT4 VHF LECTROSONICS INC 2 ...
Страница 15: ...Synthesized VHF IFB Transmitter Rio Rancho NM 15 ...