AH-803B Professional Fixed Modulator

AH-803B Professional Fixed Modulator Full +52dB mv output,Low spurious harmonic output,Highly accurate crystal controlled Features Two year limited warranty Superior vestigial sideband filtering for adjacent channel systems Full +52dB mv output Low spurious harmonic output Highly accurate crystal controlled oscillator Professional picture quality Rear panel AC convenience outlet International models available on special orderSpecifications

RF
Frequency confine	48 to 860.00MHz
Output Level	85~105dB μV
Output impedance	75Ohm
Audio/video stability	Adjustable -10 to -20 dB below video carrier
Frequency stability	±10KHz
Spurious output	62dB below video carrier with A/V ratio  -20Db
Video
Input level	0.5V P-P minimum for 87.5% modulation
Input type	Composite video negative sync
Visual C/N	60Db @ 6MHz BW
Frequency response	±1.5 Db(30KHz TO 6Hz)
Hum and noise	-60Db @ 87.5%
Audio
Baseband input impedance	600 ohms unbalanced
Baseband input level	0.5/v p-p for 25KHz deviation
Pre-emphasis	75 microsecond
Flatness	1.5dB(10Hz to 15KHz)
Video/Audio separation	6.5MHz
General
Power Input	180 to 230 V AC, 50 Hz, 20W
Operating Temperature	-10 to 40
Dimensions	19"(L)×7.5"(W)×1.75"(H)
Weight	2.1Kg

AH-803B Professional Fixed Modulator