7-16 Specifications
Crosstalk-Linear: <= –80 dB, main channel to sub-channel or sub-channel to main channel (referenced to 100%
modulation).
Crosstalk-Non-Linear: <= –80 dB, main channel to sub-channel or sub-channel to main channel (referenced to
100% modulation).
38 kHz Suppression: >= 70 dB (referenced to 100% modulation).
76 kHz & Sideband Suppression: >= 80 dB (referenced to 100% modulation).
Pilot Protection: >-90 dB relative to 9% pilot injection, ±250 Hz (up to 2 dB composite processing drive).
Subcarrier Protection (60-100 kHz): with up to 2 dB composite limiting drive: -80 dB, -90 dB without composite
limiting (referenced to 100% modulation; measured with 4K FFT analyzer using “maximum peak hold with 3
averages” display).
57 kHz (RDS/RBDS) Protection: 50 dB relative to 4% subcarrier injection, ±2.0 kHz (up to 2 dB composite
processing drive). 55dB without composite limiting.
Connectors: Two BNC, shell connected to chassis ground, EMI suppressed.
Maximum Load Capacitance: 0.047 microfarad (0Ω source impedance). Maximum cable
length of 100 feet/30 meters RG–58A/U.
Filtering: RFI filtered.
Subcarrier (SCA) Inputs
Number of Inputs: 2 x digitized analog.
Resolution: 16-bit conversion.
Impedance: > 600Ω
SCA Sensitivity: Variable from Off, -30 dB … +10 dB to produce 10% injection assuming 100% modulation = 4 V p-p
at the analog composite outputs.
Connectors: Two BNC, shell connected to chassis ground, EMI suppressed.
Configuration: Two subcarrier inputs each with an independent software-controlled input level are summed into
the digital composite and analog composite outputs. Composite level control settings have no effect on the
absolute subcarrier levels.
19 kHz Pilot Reference: SCA2 input can be re-jumpered to provide a 19 kHz pilot reference output.
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