RossGear - Analog Video

TDA-7891
Timecode Distribution Amplifier
A flexible, high quality card for your timecode distribution requirements.

The TDA-7891 Timecode Distribution Amplifier is an excellent solution for distributing timecode signals with virtually no loss of quality. The TDA-7891 Timecode Distribution Amplifier is a high input impedance amplifier with 8 150 ohm outputs for use in AFR-7800 series audio frames.

• AC coupled differential input
• High impedance input
• 8 differential outputs
• Flat frequency response to 20MHz
• Wide bandwidth to accommodate signals from tape decks in shuttle mode
• Short signal delay
• 5-year transferable warranty
• Fits Ross AFR-7812C and AFR-7814C audio frames

Input
Input Impedence:		>12kΩ Balanced
Max Input Level:		2Vp-p nominal 16Vp-p
Common Mode Rejection:		>56dB @ 50/60Hz

Outputs
Number of Outputs:		8 Total
Max Output Amplitude:		12.25Vp-p
Output Impedence:		150Ω
Output Isolation:		>36dB to 20MHz

Performance
Gain Range:		±3dB
Gain Stability:		<0.1% per 10 °C at 10MHz
Frequency Response:		+0.03/-0.08dB 20Hz to 100kHz ±0.25dB 0.1 to 20MHz
Bandwidth:		32MHz (-3 dB Typical)
Noise (RMS unweighted 0-5MHz):		-56dB

Power Consumption
Total Consumption:		1.2W

Specifications and design are subject to change without notice.