DAR8618 Broadband Distribution Amplifiers
The R.L. DRAKE models DAR8642, DAR8633, DAR8618, DAR7542, and DAR7533, are broadband distribution amplifiers designed for indoor headend use in both residential and commercial buildings where RF signal distribution in the frequency range of 47 to 860 MHz is required. Each model, except the DAR8618, incorporates a push-pull hybrid input preamp and a power doubled hybrid output amplifier to provide a very low distortion signal for launch amp applications in the output of an SMATV or CATV headend. The Gain and Slope controls operate between the figure over a wide range of gain and slope settings. Only the DAR8618 has a power doubled output hybrid with no input preamp. Input and output test connectors are provided for convenient monitoring of the signal path. The amplifier circuitry is designed for maximum stability, low distortion, low noise figure, and is protected in a rugged aluminum housing. The unit operates from a nominal 100-240 VAC, 50/60 Hz input.
- Forward Gain Adjustment Range:15 dB minimum
- Slope Control Adjustment (54 MHz):10 dB minimum
- Input/Output Impedances:75 Ohms.
- Input and Output Monitor Ports:- 20 dB.
- Hum Modulation: - 65 dB.
- Power Requirement Operating: 100-240 VAC, 50/60 Hz