Star Trak 6
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 479.5 Mhz
IF Bandwidth 27 Mhz at 3dB point
Threshold (Static) Typical 7.0 dB C/N maximum
Local Oscillator Radiation Less than -60 dBm
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, and VC 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
Baseband 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 18-1/2 dbs. / 8.4 kgs. approx.
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