KROMA
TELECOM
PROFESSIONAL MONITORS BM5309
BM5309
2
1.2. TECHNICAL SPECIFICATIONS
1.2.1. SCAN & SYNC
Systems 625/50/2:1
Horizontal frequency 15.625 Hz
525/60/2:1
Horizontal frequency 15734 Hz
Horizontal oscillator lock-in range:
±
750 Hz
Horizontal sync. constant time: Fast: 0.5 mS
Slow: 2.5 mS
1.2.2. PICTURE DISPLAY
Aspect ratio: 4:3 and 16:9
Errors:
- Linearity error:
≤
4 % of picture height
- Geometry error:
≤
1 % ídem.
- Convergene error:
TUBE
ZONE 1
REST
9”
0.4 mm
0.5 mm
ZONE 1 IS WITHIN A CIRCLE CENTRED ON THE SCREEN WHOSE DIAMETER IS EQUAL TO PICTURE HEIGHT.
1.2.3. CTR
•
9” HR
0.28 dot pitch Phosphor: P22
•
Resolutión : > 450 TV línes a centre
•
Colour temperature: 6500º K
±
200º K (
IN ALL MEMORIES
)
•
Black level: Set to 0.5 Nit (
10 % APL WINDOW SIGNAL
)
•
White level: Set to 90 Nit (
100% APL WINDOW SIGNAL)
•
Beam current limiting: 180 Nit (
FLAT FIELD SIGNAL
)
1.3. BM5309A12 MODEL
1.3.1. DECODER PAL / NTSC PERFORMANCE
•
Inputs A, B and C
♦
Level : 1 V
pp
+3/-6 dB
♦
Impedance : 75
Ω
±
1% or loop-through (selectable)
♦
Return losses: 35 dB @ 5 Mhz.
♦
Isolation between A, B and C inputs: > 60 dB @ 10 Mhz.
♦
Mismatch between A and B inputs: < 1% and < 1º @ 4.43 Mhz
•
External sync input
♦
Level : 4 V
PP
+6 dB / -28 dB
♦
Impedance : 75
Ω
±
1% or loop-through (selectable)
♦
Return losses: > 35 dB @ 5 Mhz
