II.
SPECIFICATION
RF
Frequency Range
:
54 MHz (Ch.2) to 860 MHz (Ch.135)
Output Level
:
+ 45 dBmV (minimum 15dB adjustment range)
Output Impedance
:
75 Ohms
A / V Ratio
:
15/20 dB selectable, +/- 2 dB
Frequency Stability
:
± 5KHZ
Intercarrier
Frequency
:
4.5MHz ± 5KHZ
Spurious Outputs
:
-60 dBc typical , measured at 15 dB A/V ratio and with
Modulator output level of + 45 dBmV / + 60 dBmV
C/N
:
60 dB Typical
VIDEO
Input Level for 87.5%
Modulation
:
1 Vp-p. Manual adjustment with front panel control
Input Impedance
:
75Ohms
Frequency Response
:
± 1 dB (Within 5MHz)
S/N
:
60dB Typical
AUDIO
Input Level for 25 KHz
Peak Deviation
:
140 mV rms. Manual adjustment with front panel control
Input Impedance
:
Greater than 10 K Ohms , unbalanced
Pre emphasis
:
NTSC 75
μSec
Frequency Response
:
± 1 dB ( 40Hz to 15 KHz )
GENERAL
DC Power Input
:
+12V ± 5% at 230 mA typical
+ 5V ± 5% at 350 mA typical
Operating
Temperature
:
0
℃
to + 50
℃
Size
:
1”W * 3.5”H * 7.5”D (2.5cm)W * (8.9cm)H * (19.1cm)D
Weight
:
0.3Kg