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Technical Specifications


FC 30 Technical Specifications (D)

Sep 16, 2019

Performance Specifications

Subcarrier Frequency67 kHz (39 to 95 kHz to order)
Subcarrier Frequency Stability±0.5% (330 Hz @ 67 kHz, 0° - 50° C)
Subcarrier Harmonic ContentLess than 0.3%
Subcarrier Output Level0.5 to 4.0 V, into 600 Ohm peak-to-peak; adjustable
Subcarrier Output Impedance600 Ohm unbalanced, resistive
Subcarrier Envelope DecayGreater than 100 μsec from 90% to 10% sub-carrier levels
Modulation Capability± 20% of subcarrier frequency
FM Noise72 dB below +6 kHz deviation @ 400 Hz (150 μsec de-emphasis)
Audio Input Impedance600 Ohm balanced, resistive
Data Input Impedance75 Ohm unbalanced resistive, DC coupled
Input Levels:
AudioAdjustable, +10 dBm to -10 dBm for ±6 kHz deviation @ 400 Hz
DataAdjustable, 1.0 to 4.0 V p-p for ± 6 kHz deviation (DC coupled)
Audio150 μsec standard (75 μsec with internal jumper)
DataNo pre-emphasis
Frequency Response:
Audio±0.5 dB 10-10,000 Hz exclusive of audio low-pass filter
Data±0.5 dB, DC-10,000 Hz
Audio Low-Pass FilterSixth order, -3 dB @ 4.3 kHz, standard (resistor changes for other values)
Data Low-Pass FilterSame as FM filter or may be bypassed
Total Harmonic DistortionLess than 0.5% throughout AF pass band
Crosstalk SCA To Stereo-60 dB or better below 100% modulation of left or right, 75 μsec de-emphasis, using FX50 Exciter
Crosstalk Stereo To SCA-60 dB or better below ± 6 kHz deviation of SCA using 150 μsec de-emphasis and FS30 Stereo Generator
lntermodulation DistortionLess than 0.5%, 60 Hz / 7 kHz, 1:1 ratio (audio preemphasis and LPF bypassed)
Auto Muting LevelAdjustable from 10 to 30 dB below program level
Auto Muting DelayAdjustable 0.5 to 10.0 seconds


AC Power Requirements97-133 or 194-266 Vac, 50/60 Hz, 7 watts


Operating Temperature Range0° to 50° C
Maximum Altitude15,000 feet (4,572 M)


Dimensions19"W x 1.75"H x 9"D (48.3 x 4.5 x 22.9 cm)
Net Weight4.5 lbs. (2 kg)

All Specifications Subject to Change Without Notice

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FC 30 (D) Discontinued


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