User Manual

Specifications C-2STRATA TX Operator’s Guide/Tech Ref Manual
ANALOG AUDIO & VIDEO MODULATOR:
Monitor Outputs: . . . . . . . . . . . . . . . . . . . 70 MHz signal/pass thru
Level output/Impedance: . . . . . . . . . . . +2 dBm Analog/75 Ohms
Signal Inputs: . . . . . . . . . . . . . . . . . . . . . . . . . . .Video, Composite
70 MHz (–10 dBm Analog)
Video Mute: . . . . . . . . . . . . . . . . . . . . . . . 70 MHz test tone - auto
FM Deviation (Selectable): . . . . . . . . . . 3 MHz and 4 MHz - peak
Video Input/Return Loss: . . . . . . . . . . . . . . . . . . 1 Vpp (75 ohms)
525/625 line / > 26 dB
Plug in Video Filter Options: . . . . . . . . . . . . . . . . 4.2, 5.0, 5.5 MHz
Video Response: . . . . . . . . . . . . . . . . ± 0.25 dB@ or within video
filter bandwidth
VIDEO PERFORMANCE:
S/N: . . . . . . . . . . . . . . . . . . . . . . > 68 dB (weighted per RS-250C)
S/H: . . . . . . . . . . . . . . . . . . . . . . > 63 dB (weighted per RS-250C)
Diff. Phase / Gain: . . . . . . . . . . . . . . . . . . . . . . . . . 1 degree / 1 %
Baseband Response: . . . . . . . . . . . . . . . . . . . . . 10 KHz to 8 MHz
+0.5 dB / 8 MHz to 12 MHz <2 dB
Audio Channels: . . . . . . . . . . . . . . . . . . . . . . . . 4 Channel Analog
Line level: +8 dBm ( 600 ohms)
Subcarrier input tune range: . . . . . . . . . . . . 4.5 MHz to 8.59 MHz
Tunable in 2 KHz steps
AUDIO PERFORMANCE:
Frequency Response: . . . . . . . . . . . . . . (40 Hz - 15 KHz):±1.0 dB
(40 Hz - 10 KHz):±0.5 dB
THD: . . . . . . . . . . . . . . . . . . . . 0.5 % @ 1 KHz (75 KHz deviation)
2.0 % @ 1 KHz (200 KHz deviation)
Signal/Noise: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 dBm (min.)
Output Impedance (select): . . . . . . . . . . 600 ohms bal./10K ohms
Output Level (adjust): . . . . . . . . . . . . . . . . . . +8 dBm - Line Level
nominal (0 dBm to +18 dBm)
Audio channel crosstalk: . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 dB
Emphasis: . . . . . . . . . . . . . . . . . . . . 50 µs/75 µs, flat - Factory set
Control Interface: . . . . . . . . 2 wire serial comm. port as DC input
FRONT PANEL CONTROLS:
Preset, Channel/Offset, TX Attenuation
DISPLAYS:
Analog (FMT): . . . . . . . . . Preset. HPU Status, Frequency, Mode,
Audio, Channel Frequency, Video
Deviation, CW Tone, Error Report
Digital (MPEG/COFDM): . . . . . . Preset. HPU Status, Frequency,
Mode, Modulation, Bandwidth, FEC,
Guard Interval, Video Delay, Audio Mode,
CW Tone, Error Report, RF Power Out
CONFIGURATOR SOFTWARE MENUS:
(RS-232 connection to PC or laptop)
Main: . . . . . . . . . . . . . . . . Connect to Radio, Load Presets, Save
Presets, Select Module Options,
Program Radio, Upload Radio Settings
Radio: . . . . . . . . . . . . . . . . . . . . Operating Mode, Color Bars, CW
Tone, Transmitter Attenuation