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Last modified 2024-02-24

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Uniden Bearcat UBC-278CLT

A picture of Uniden Bearcat UBC-278CLT

SPECIFICATIONS

GENERAL
Type:HF/VHF/UHF clock radio/scanner
Frequency range: Europe
0.52-1.72 MHz
29-54 MHz
88-108 MHz
108-174 MHz
406-512 MHz
806-956 MHz
Tuning steps:5 / 12.5 KHz
Frequency stability:? ppm
Mode:AM / FM / WFM
Channels/memory management: 100 regular in 5 banks @ up to 25 channels per second
7 NOAA weather channels
Non-volatile EEPROM storage
Power supply:10 VAC nominal (Male barrel connector)
Current drain / power consumption:Less than 300 mA
Antenna impedance / connector:50-75 ohm / BNC
Hi-Z / Spring terminals (MW only)
Dimensions (W*H*D):205*139*73 mm (8.07*5.47*2.87")
Weight:655 g (1.44 lb)
Other features:Alarm clock.




RECEIVER SECTION
Receiver system: Triple conversion superheterodyne (FM)
1st IF: 380.7 MHz
2nd IF: 10.85 MHz
3rd IF: 450 KHz
Sensitivity: AM (12 dB SINAD)
108-137 MHz: 0.8 uV
FM (12 dB SINAD)
29-54 MHz: 0.3 uV
137-174 MHz: 0.4 uV
406-512 MHz: 0.6 uV
806-956 MHz: 0.6 uV
Squelch sensitivity:
Noise figure:
Selectivity:
Image rejection:
AF output power / speaker:700 mW at 10% distortion / 8 ohm
External speaker connector:TS "Minijack" (3.5 mm), 8 ohm




MISCELLANEOUS
Manufactured:China (Designed in Japan), 1999-200x (Discontinued)
Additional info: PH-286AB - Main board
PH-249AA 1/3 - CPU board
PH-249AA 2/3 - Squelch control board
PH-249AA 3/3 - Volume control board
Related documents: User manual (887 KB, in swedish)
Schematics (1.1 MB)
FM-IF: MC3361
PLL: LC72131
Audio amp: TBA820M
AM/WFM tuner: LA1822
Modifications and fixes:
Options / Accessories:
AC-144U AC adapter
An inside picture of Uniden Bearcat UBC-278CLT
A rear picture of Uniden Bearcat UBC-278CLT