9
HE-12/HE-4
Instruction Manual
Specifications AMCM-860B (Typical)
General
Power Requirement: 5 W
Voltage:
12 VDC @ 280 mA
5 VDC @ 470 mA
Temperature Range: 0 to +50 ° C
Mechanical
Dimensions (W x H x D):
1.15 x 3.5 x 7.5 in.
29 x 89 x 191 mm
Weight: .8 lbs., .36 kg
Connectors
Video Input: "F" Female
L/R Audio Input: RCA Phono (2)
RF Output: “F” Female
Controls
Channel Selection:
Push-Button Switches, UP/DOWN
Video Level: Control
A/V Ratio: Control
Audio Level: Control
RF Output Level: Control
Channel Enter: Push button
Indicators
Channel Indicator: 2 Digit LED, Red
Video Over Modulation: LED, Red
Audio Over Modulation: LED, Red
Stereo Indicator: LED, Green
RF
Frequency Range: 54-860 MHz
Channels: CATV, VHF, UHF (STD, HRC, IRC)
FCC Offset (pre-programmed):
0, +12.5, or 25 kHz
Output Level - Min: +45 dbmV
Output Level Adjust: 15 db
Aural/Visual Carrier Ratio: -10 to -17 db
Visual Carrier Frequency Tolerance
Standard Channels: ±5 kHz
FCC Aeronautical Channels: ±3 max kHz
4.5 MHz Aural Inter Carrier Frequency:
±150 Hz
Channel Selectivity:
Adjacent Aural and below: -40 db
Adjacent Picture and Above: -50 db
Spurious Outputs: -60 dbc
C/N Ratio In Channel: 65 db
broadband Noise: -76 dbc
Output Impedance: 75 Ω
Output Return Loss: 12 db
Video
Input Level: 1.0 V p-p
Frequency Response
fv-0.5 MHz to fv+4.2 MHz: ±1.0 db
P-P Video to RMS Hum Ratio: 65 db
Video Signal-to-Noise Ratio,
NTC-7 Weighted: 62 db
Differential Gain: 2.0 %
Differential Phase: 1.0 °
Over Modulation Indicator: 87.5, ±2.5 %
Input Impedance: 75 Ω
Input Return Loss: 24 min, db
Audio
Input Lev el: 140 mV RMS minimum
Input Impedance: 10k Ω, Unbalanced
Total Harmonic Distortion (%): 1.0
Stereo Separation (AMCM 860S):
50 Hz - 100 Hz: 15 db
100 Hz - 1 khz: 25 db
12 kHz: 18 db
