Star Trak 8 Plus



Specifications


IF Specifications

RF Input Frequency			950 - 1450 Mhz	
RF Input Impedance			75 Ohm
RF Input Level				-70 dBm to -20 dBm
RF Noise Figure				15 dB maximum
2nd IF Frequency			70 Mhz
IF Bandwidth				27 Mhz at 3dB point
Threshold (Static)			Typical 7.0 dB C/N maximum
Local Oscillator Radiation		Less than -60 dBm
Demodulator				Phase Locked Loop with threshold extension
Video De-emphasis			525 line CCIR/Rec. 405-1

Video Specifications

Frequency Response			10 Hz to 4.2 Mhz +/- 0.7 dB max.
C/L Gain inequality			7 IRE max.
Differential Gain			5% maximum
Differential Phase			5% maximum
C/L Delay Inequality			50 n sec. max.
Output Impedance			75 Ohm
Clamping				Better than 40 dB
SN Ratio				52 dB min. weighted
(at 16 db C/N)				(10.7 Mhz peak dev.)
Output Level				1 V p-p

VHF Output

Impedance				75 Ohm
Channel					CH 3 or 4
Level					6.5 dBmV+/- 3dB from VHF Modulator

Audio Specifications

Subcarrier Frequency			5 to 8.5 Mhz
Bandwidth				150 KHz narrow at 3dB
					330 KHz wide at 3 dB
Modes					Mono, Discrete or Matrix Stereo
Frequency Response			+/- 1.0 dB, 30 Hz to 15 KHz in VC mode
					+/- 1.0 dB, 30 Hz to 15 KHz in non-VC mode
De-emphasis				75 micro sec.
Harmonic Distortion			0.2% maximum in VC mode
					1.0% maximum in non-VC mode
S/N					80 db minimum in VC mode
					50 db minimum in non-VC mode at 9 dB C/N

Subcarrier Output

Frequency Response			10 Hz to 8 Mhz +/- 1 dB
Output Impedance			75 Ohm
Output Level				1V p-p

Physical / Environment

Temperature				0' to 40'C normal
Humidity				95% relative
Weight					21 lbs.
Dimemsion				17-1/16" W x 3-7/8" H x 13-7/8" D
Power Input				115V +/- 10% AC
					60 W Nominal, 300W Maximum

Compatibility

This unit is compatable with the following industry standard components:
		- 950-1450 MHz block conversion systems
		- Reed Sensor-type actuators
		- Polarotor 1 - type Feeds
With an accessory switch box, the Star Trak supports Dual C band and KU band feed systems.