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INSTRUCTION MANUAL
DA-33 Wideband Amplifier
Stock No. 4675A
Description:
The DA-33 features a wide frequency bandwidth of 0.5 MHz to 300 MHz, 36 dB gain and 18 dB of continuously
variable gain control range. The DA-33 is ideal as a headend sub-channel return amplifier or on shipboard distri-
bution systems requiring AM, shortwave and communications bands amplification.
Features:
• AM, Shortwave, Sub-Channel Amplification (0.5 MHz to 300 MHz)
• Externally Accessible Test Points Permit In-Service Testing.
• Aluminum Chassis Designed for Superior Heat Dissipation to Insure Component Reliability.
• Exceeds FCC Specs for Both Conducted and Radiated Interference @ Full Output Level.
• External Fuse for Ease of Replacement.
• LED Pilot Light.
• Line Transient Protection.
• Hybrid IC Circuitry for High Output with Low Distortion.
• Exceptional Temperature Stability Range of -20° C to +60° C.
• Designed for Critical Applications Requiring High Gain.
• Front Panel Gain Control for Easy Adjustment
©2009 Blonder Tongue Laboratories, Inc. All rights reserved. Specifications are subject to change without notice. Trademarks are the property of their respective owner.
Old Bridge, NJ 08857-1000 USA
(800) 523-6049 • (732) 679-4000 • FAX: (732) 679-4353
One Jake Brown Road
www.blondertongue.com
651109400E
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Summary of Contents for Blonder tongue DA-33
- Page 1 • Designed for Critical Applications Requiring High Gain. • Front Panel Gain Control for Easy Adjustment 651109400E ©2009 Blonder Tongue Laboratories, Inc. All rights reserved. Specifications are subject to change without notice. Trademarks are the property of their respective owner.
- Page 2 ➥ U nplug the unit from the AC power outlet before cleaning. Use only a damp cloth for cleaning the exterior of the unit. ➥ D o not use accessories or attachments not recommended by Blonder Tongue, as they may cause hazards, and will void the warranty.
- Page 3 ❏ The unit exhibits a distinct change in performance. ➥ When replacement parts are required, ensure that the service technician uses replacement parts specified by Blonder Tongue. Unauthorized substitutions may damage the unit or cause electrical shock or fire, and will void the warranty.
- Page 4 DA-33 Instruction Manual Specifications Frequency Range: 0.5-300 MHz Channel Loading: 35 Channels Flatness: +/- 1 dB Full Gain: 36 dB Noise Figure: 5.5 dB Output Level: +47 dBmV Composite Triple Beat: -71 dB Cross Modulation: -55 dB Hum Modulation: -60 dB...
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