IM-990/990SL

	VM-990/VM-990SL Saw Filter Single Channel Modulator
AUDIO
Input Level	140m Vp-p (for ±25KHz Dev.)
Input Impedance	10K ohm Unbalance
Frequency	NTSC: 4.5MHz ± 5KHz PAL-D: 6.5MHz ± 5KHz PAL-B: 5.5MHz ± 5KHz
Frequency Response	±1dB
Pre-Emphasis	NTSC: 75µs PAL-D: 50µs PAL-B: 50µs
VIDEO
Input Level	1.0Vp-p (for 87.5% Mod.)
Input Return Loss	18dB
D/G	<=3%
D/P	<=3º
S/N Ratio	60dB
C/N Ratio	>=60dB
IF
Output Level	28dBmV
Audio IF Carrier Frequency	NTSC: 41.25MHz PAL-D: 31.50MHz PAL-B: 33.40MHz
Video IF Carrier Frequency	NTSC: 45.75MHz PAL-D: 38.00MHz PAL-B: 38.90MHz
Input / Output Return Loss	12dB / 16dB
RF
Output Frequency	NTSC: CH 2~13, A2, A1, A~W, AA~CCCCC PAL-D: CH DS1~DS43, Z1~Z38 PAL-B: CH 2~12, X~Z, S1~S41, 21~30
Output Level	55dBmV
Output Level Range	15dB
Output Return Loss	>=16dB
Spurious Harmonics	>=60dB
Frequency Accuracy & Stability	±5KHz
V/A Carrier Power Ratio	-9 ~ -25dB Adjustable
OTHERS
Power	115V AC/60Hz or 220V AC/50Hz
Auxiliary AC Outlet	115V AC/600W or 220V AC/600W
Temperature Range	0 ~ 50ºC
Dimensions	481(W) x 135(D) x 44(H) (mm)
Weight	2.0 kgs
Packing	1 pc/Inner Box 9 pcs/22.0 kgs/2.91'/CTN