BMTTU1000FUHF LPTV Translator

Broadcast Products P.O. Box 68, White Haven, PA 18661 P hone: ( 570) 443-9575 FAX: (570) 443-9257 MDS   MMDS   ITFS   LPTV North America   South America   Europe   Asia   Australia   Africa Since 1960 TU1000F V/U SOLID STATE 1000W UHF TRANSLATOR TU1000F V/U SOLID STATE 1000W UHF TRANSLATOR 02/00 TABLE OF CONTENTS I.THE TU1000F V/U TRANSLATOR 1.1Introduction 1.2Specifications 1.3Installation 1.4Operation 1.5Warrant y and Parts Ordering II.CIRCUIT DESCRIPTION 2.1Receiver Drawer 2.2Exciter/Upconverter Drawer 2.3Power Splitter 2.4Dual 300W Power Amplifier Drawer 2.5Power Combiner 2.6Meterin g Coupler 2.7Front Panel 2.8Output Filter III.MAINTENANCE 3.1Periodic Maintenance Schedule 3.2Recommended Test E quipment 3.3Troubleshootin g 3.4Translator Alignment 3.5Output Power Calibration 3.6Precorrection Ad justment 3.7Control Board Setup 3.8Remote Monitor Si gnal Levels 3.9Spare Modules and Components Lists IV.DATA PAK V.SCHEMATIC DIAGRAMS i SECTION I THE TU1000F V/U TRANSLATOR 1.1Introduction ............................................................ 161 1.2Specifications .......................................................... 161 1.3Installation ............................................................. 162 1.4Operation .............................................................. 163 1.5Warranty and Parts Ordering ............................................ 164 161 SECTION I THE TU1000F V/U TRANSLATOR 1.1Introduction: The EMCEE TU1000F V/U Translator is rated to provide 1000 watts peak visual and 50 watts average aural power on any FCC specified channel extending from 470 to 806MHz. The TU1000F is completely solid-state providing maximum performance and reliability. It is comprised of a Receiver Drawer, a 20 Watt UHF Exciter/Upconverter, two Dual 300W Power Amplifier assemblies and a panel for power distribution and metering. The TU1000F is easy to service and maintain while RF alignment is practically nonexistent. A number of front panel indicators are included which display the results of the translator's diagnostic/control circuitry. The TU1000F Translator is designed for the express purpose of broadcasting as authorized by the U.S. Federal Communications Commission under Part 74, Subpart G, of the FCC Rules and Regulations. 1.2Specifications: Output Power1000W peak visual 50W average aural Emissions5M75C3F visual 250KF3E aural Color TransmissionNTSC, PAL, or SECAM Output Frequency Range470-806MHz Input Frequency Range54-88MHz(FCC Ch. 2-60) 174-216MHz(FCC Ch. 7-13) 470-806MHz(FCC Ch. 14-69) Frequency Stability±1kHz Visual Output Power Stability±0.5dB Spurious Products60dB below peak sync Harmonics60dB below peak sync In-band Intermodulation (IM 3 )52dB below peak sync Differential Gain5% Differential Phase±3( Frequency Response±1.0dB 162 Envelope Delay±50nsec Output Impedance50 ohms (7/8" EIA flange connector) RF Input Level70dBm to 30dBm RF Input Impedance50 ohms unbalanced (N connector) Video Signal to Noise50dB @ 47dBm in Audio Distortion<1% Aural FM Noise<55dB Ambient Temperature30(C to +50(C Power Requirements230Vac ± 15% @ 50/60Hz, 3.8kW Mechanical Dimensions69"H x 23"W x 29"D Weight350 lb. 1.3Installation: Except where otherwise noted, the connectors mentioned in the following instructions are located on the rear of the translator. 1.After unpacking the translator, a thorough inspection should be conducted to reveal any damage which may have occurred during shipment. If damage is found , immediately notify the shipping agency and advise EMCEE Broadcast Products Customer Service or its field representative. Also check to see that any connectors, cables or miscellaneous equipment, which may have been ordered separately, are included. 2.Place the translator in a clean, weatherproof environment providing adequate ventilation for the exhaust fans at the top of the cabinet. It is important to maintain the translator's ambient temperature within the 30(C and +50(C limits. Cooler ambient temperatures will provide increased reliability. 3.Place the translator in its permanent location near a single-phase receptacle that supplies 230Vac at 50/60Hz. The ac source should have a minimum power capacity of 5kW. IMPORTANT Do not apply ac power to the translator at this time since its RF output must be properly terminated before being placed in operation. 163 4.Set all circuit breakers and switches, including the customer's incoming ac line breaker, to the OFF position. Place an appropriate ac power line protector (surge suppressor) across the ac line that supplies the translator. 5.With the appropriate cables (customer supplied), connect the receiving antenna to the RF IN “N” connector located on the top rear panel of the translator cabinet. 6.Connect the transmitting antenna cable to the 7/8" EIA flange connector marked RF OUTPUT located at the top, rear, right-hand corner of the cabinet (as seen from the front). 7.Verify that the power cords of the Receiver and Exciter drawers are plugged into the receptacle at the bottom of the cabinet inside the rear door. Check all other factory installed RF cables and DC wire harnesses for tight connections. 8.Using the 4-prong, twist lock, female plug supplied with the translator, fabricate an ac power cord and plug it into the translator's AC MAINS connector at the top left rear (as seen facing the front of the cabinet) of the translator's cabinet. Connect the other end of the power cord into an appropriate electrical outlet. 1.4Operation: Assuming the installation instructions of Section 1.3 have been completed and the translator is receiving a signal of appropriate frequency and amplitude, proceed with the following steps to place the translator in operation. Except where otherwise noted, the controls, switches, and indicators mentioned in these steps are located on the front of the translator. 1.Close the transmission site’s ac mains breaker. Place the Receiver front panel OPERATE/ ALIGN switch to OPERATE and its AC POWE…

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TU1000F Translator Front View TU1000F Translator Rear Dual 300W UHF Amplifier Front Panel Dual 300W UHF Amplifier Top View Dual 300W UHF Amp Bottom View Dual 300W UHF Amp Rear View TU20F Exciter Upconverter Front Panel TU20F Exciter Upconverter Rear Panel Translator Receiver Front Translator Receiver Rear Panel

2625 2.10 Certification Identification Label [2.1003] The certification identification label for the aforementioned translator model is shown below. This label shall be displayed conspicuously on the rear panel of the appropriate unit. Figure 2 610

Dual 300W UHF Amplifier Internal View TU20F Exciter Upconverter Internal View Translator Receiver Internal View

161 SECTION I 1.0INTRODUCTION This report contains data required for certification of the EMCEE Model TU1000F Television Translator which EMCEE plans to manufacture in quantity. The translator is rated to provide 1000 watts peak visual and 50 watts average aural power on any FCC specified channel extending from 470MHz to 806MHz. The output frequency of the translator tested was UHF channel 69 (800 to 806MHz) with a VHF input of channel 6 (82 to 88MHz). The data contained in this report was obtained from tests made on an EMCEE production unit. A complete list of the test equipment utilized to obtain the certification data can be found in Section 1.3 of this report. Information relating to the description, operation and maintenance of the TU1000F Translator can be found in the EMCEE TU1000F Instruction Manual. 1.1Equipment Description The TU1000F Television Translator is composed of a Receiver drawer, a 20 Watt Exciter/ Upconverter assembly and two 500 Watt Amplifier drawers. The Receiver is made up of two sections: the Downconverter and the IF. The Downconverter accepts any VHF or UHF channel from the receive antenna and optional remote preamplifier and converts that signal to standard IF (45.75MHz visual and 41.25MHz aural). The IF section filters and amplifies the incoming signal while providing AGC and automatic on-off circuits which will place the unit in a nonradiating condition if the receiving portion of the translator fails or if the input signal is not of the correct frequency or amplitude. A 30-second time delay circuit is also included to prevent the translator from being turned off during momentary failures or fades of the incoming signal. Also contained in this drawer, to satisfy Section 74.750(c)(7) of the FCC Rules, is an optional Code Identification Unit capable of shifting the frequency of the transmitted carriers according to the station’s call sign. In the 20 W att Exciter drawer, the IF carriers from the Receiver are shifted to any desired UHF TV frequency and amplified to the proper level to drive the four 300 watt solid-state amplifiers contained in two 500 Watt UHF Amplifier drawer assemblies. The outputs of these four amplifiers are then recombined and connected to a six-section UHF Bandpass Filter where unwanted products created by common amplification are reduced to appropriate levels. Other assemblies in the TU1000F Translator include a Front Panel Control Board for monitoring translator functions and a Power Panel to distribute AC power throughout the translator cabinet. The Receiver, 20 Watt Exciter and Power Amplifier assemblies, in conjunction with the remote Preamplifier, are designated as the TU1000F Translator. The TU1000F Translator is designed for the express purpose of broadcasting as authorized by the Federal Communications Commission's Rules and Regulations, Part 74, Subpart G, Low Power TV, TV Translator and TV Booster Station service.

161 1.4Active Device List The following is a complete listing of all the active devices used in the EMCEE Model TU1000F UHF Television Translator. The devices are grouped together as seen on each specific schematic or interconnection diagram. Given with each device is its schematic designator, part number and function. DEVICEPART #/DESIGNATORFUNCTION VHF/UHF RECEIVER DRAWER INTERCONNECT DIAGRAMS 30383104/094 Reference Oscillator Schematic Diagram 10368037 Integrated Circuit3B130/U1RF Amplifier TCXORTX0771AD/G1Oscillator VHF Synthesizer Schematic Diagram 30362003 (Band I) Integrated Circuit3B160/U4Reference Divider Integrated Circuit3B190/U2Dual Prescaler Integrated Circuit3B161/U1Synthesizer Integrated Circuit3B149/U3Loop Filter Integrated Circuit3B181/U6Feedback Amplifier Integrated Circuit3B151/U5RF Amplifier VCOV220S015/G1Oscillator VHF Synthesizer Schematic Diagram 30362427 (Band III) Integrated Circuit3B160/U4Reference Divider Integrated CircuitMC12028AD/U2Dual Prescaler Integrated Circuit3B161/U1Synthesizer Integrated Circuit3B149/U3Loop Filter Integrated Circuit3B181/U6Feedback Amplifier Integrated CircuitSNA586/U5RF Amplifier VCOV110SC01/G1Oscillator DEVICEPART #/DESIGNATORFUNCTION 162 UHF Synthesizer Schematic Diagram 30367094 Integrated Circuit3B160/U4Frequency Divider Integrated Circuit3B161/U1Frequency Synthesizer Integrated Circuit3B190/U2Dual Modulus Freq. Divider Transistor3B151/U5RF Amplifier Transistor3B193/U6RF Amplifier X2 Multiplier (with Vectron Oscillator - Band I) Schematic Diagram B280-35 Integrated Circuit3B09/LL1Voltage Regulator Transistor2B03/Q1RF Amplifier Transistor2B06/Q2RF Amplifier X4 Multiplier (with Vectron Oscillator - Band III) Schematic Diagram C331-24 Integrated Circuit3B09/U1Voltage Regulator Transistor2B03/Q1RF Amplifier Transistor2B06/Q2, Q3RF Amplifier X16 Multiplier (with Vectron Oscillator - Band IV and V) Schematic Diagram 30367226 DiodeSK-2/A1, A2, A3Multiplier Integrated Circuit3B153/U1RF Amplifier Integrated Circuit3B141/U2RF Amplifier Integrated Circuit3B151/U3, U6RF Amplifier Integrated Circuit3B238/U4RF Amplifier Integrated Circuit2B130/U5RF Amplifier Downconverter/Preamplifier Schematic Diagram A331-29 DiodeMCLSBL-1X/MX1Mixer Transistor2B39/Q1RF Amplifier DEVICEPART #/DESIGNATORFUNCTION 163 IF SAW Filter/Amplifier Schematic Diagram B331-21 Transistor2B110/Q1, Q3RF Amplifier Transistor2B06/Q2RF Amplifier IF AGC Amplifier Schematic Diagram C331-37 Diode1B70/CR1, CR2, CR4, CR9 RF Attenuator Diode1B05/VR1Voltage Regulator Transistor2B28/Q1RF Amplifier Transistor2B06/Q2, Q3RF Amplifier TU20F 20 WATT EXCITER/UPCONVERTER INTERCONNECT DIAGRAM 40383113 IF/Upconverter Schematic Diagram 30383013 DiodeHSMS2812/CR1RF Switch DiodeHSMP3800/CR2, CR3, CR4RF Attenuator DiodeCMPZ52373/VR1Voltage Regulator TransistorMAV-11SM/U1, U3, U7RF Amplifier TransistorMAR-3SM/U6RF Amplifier Linearizer Schematic Diagram 30367078 Diode1B162/CR1-CR8RF Switch Transistor2B08/Q2, Q4, Q5RF Amplifier Transistor2B09/Q1, Q3RF Amplifier 2W UHF Amplifier Schematic Diagram 30367002 Transistor3B141/U1RF Amplifier Transistor3B151/U2RF Amplifier Transistor3B152/U3RF Amplifier Transistor2B158/Q1RF Amplifier Transistor2B25/Q2Current Regulator DEVICEPART #/DESIGNATORFUNCTION 164 20W UHF Amplifier Schematic Diagram 40383053 Transistor2B25/Q3, Q4Current Regulator Transistor2B190/Q1, Q2RF Amplifier Metering Detector Schematic Diagram 30368024 Diode1B159/CR2, CR3, CR4RF Detector UHF Synthesizer Schematic Diagram 30367094 Integrated Circuit3B160/U4Frequency Divider Integrated Circuit3B161/U1Frequency Synthesizer Integrated Circuit3B190/U2Dual Modulus Freq. Divider Transistor3B151/U5RF Amplifier Transistor3B193/U6RF Amplifier Reference Oscillator Schematic Diagram 10368037 Integrated Circuit3B130/U1RF Amplifier TCXORTX0771ADOscillator DUAL 300 WATT POWER AMPLIFIER DRAWER INTERCONNECT DIAGRAM 40386002 300W UHF Amplifier Schematic Diagram 40386003 Motorola Amplifier PalletXFA8090B/A1RF Power Amplifier Motorola Amplifier PalletXFA8180B/A2, A3RF Power Amplifier

SECTION V SCHEMATIC DIAGRAMS MODULE SCHEMATICS ARE LISTED IN ALPHANUMERICAL SEQUENCE

B R O A D C A S T P R O D U C T S, I N C. P.O. Box 68  Susquehanna St. Ext.  W hite Haven, PA 18661  570-443-9575  800-233-6193  FAX 570-443-9257 E-Mail: [email protected] * Internet www.emceebrd.com February 10, 2000 Federal Communications Commission Equipment Approval Services P.O. Box 358315 Pittsburgh, PA 15251-5315 Gentlemen: EMCEE Broadcast Products requests certification of the Model TU1000F 1000 Watt UHF Translator in accordance with Part 74, Subpart G, of the Commission’s Rules and Regulations. Enclosed is a copy of the EMCEE engineering report describing the equipment and test procedures utilized to confirm compliance with the regulations applicable to Low Power Television, Television Translator and TV Booster Stations. Also included is the TU1000F Instruction Manual which contains the required circuit descriptions, alignment procedures, and technical specifications. Our check in the amount of $475 to cover the filing fee is also enclosed. If any further information is required to expedite this application, please feel free to contact me at 570-443-9575 or [email protected]. Sincerely, Robert G. Nash VP/Director of Engineering Certification Submission for the Model TU1000F Television Translator per Part 74, Subpart G, of the FCC Rules and Regulations EMCEE Broadcast Products PO Box 68 White Haven, PA 18661-0068 i TABLE OF CONTENTS SECTIONPAGE I.INTRODUCTION 1.1E quipment Description ........................................ 1-1 1.2Personnel Qualifications ....................................... 1-1 1.3Test E quipment .............................................. 1-2 1.4Active Device List ............................................ 1-3 1.5Certification of Data ........................................... 1-7 II.TEST PROCEDURES AND DATA 2.1Fre quency Response.......................................... 2-1 2.2Differential Phase and Gain..................................... 2-4 2.3Output Power Control.......................................... 2-7 2.4Aural Distortion............................................... 2-9 2.5Fre quency Modulation Noise................................... 2-11 2.6Antenna Terminal Radio Fre quency Voltage........................ 2-13 2.7Spurious Radiation Field Stren gth ............................... 2-15 2.8Power Output Meter Calibration ................................. 2-17 2.9Fre quency Stability........................................... 2-19 2.10 Certification Identification Label................................. 2-25 2.11 Photo graphs................................................ 2-26 161 SECTION I 1.0INTRODUCTION This report contains data required for certification of the EMCEE Model TU1000F Television Translator which EMCEE plans to manufacture in quantity. The translator is rated to provide 1000 watts peak visual and 50 watts average aural power on any FCC specified channel extending from 470MHz to 806MHz. The output frequency of the translator tested was UHF channel 69 (800 to 806MHz) with a VHF input of channel 6 (82 to 88MHz). The data contained in this report was obtained from tests made on an EMCEE production unit. A complete list of the test equipment utilized to obtain the certification data can be found in Section 1.3 of this report. Information relating to the description, operation and maintenance of the TU1000F Translator can be found in the EMCEE TU1000F Instruction Manual. 1.1Equipment Description The TU1000F Television Translator is composed of a Receiver drawer, a 20 Watt Exciter/ Upconverter assembly and two 500 Watt Amplifier drawers. The Receiver is made up of two sections: the Downconverter and the IF. The Downconverter accepts any VHF or UHF channel from the receive antenna and optional remote preamplifier and converts that signal to standard IF (45.75MHz visual and 41.25MHz aural). The IF section filters and amplifies the incoming signal while providing AGC and automatic on-off circuits which will place the unit in a nonradiating condition if the receiving portion of the translator fails or if the input signal is not of the correct frequency or amplitude. A 30-second time delay circuit is also included to prevent the translator from being turned off during momentary failures or fades of the incoming signal. Also contained in this drawer, to satisfy Section 74.750(c)(7) of the FCC Rules, is an optional Code Identification Unit capable of shifting the frequency of the transmitted carriers according to the station’s call sign. In the 20 W att Exciter drawer, the IF carriers from the Receiver are shifted to any desired UHF TV frequency and amplified to the proper level to drive the four 300 watt solid-state amplifiers contained in two 500 Watt UHF Amplifier drawer assemblies. The outputs of these four amplifiers are then recombined and connected to a six-section UHF Bandpass Filter where unwanted products created by common amplification are reduced to appropriate levels. Other assemblies in the TU1000F Translator include a Front Panel Control Board for monitoring translator functions and a Power Panel to distribute AC power throughout the translator cabinet. The Receiver, 20 Watt Exciter and Power Amplifier assemblies, in conjunction with the remote Preamplifier, are designated as the TU1000F Translator. The TU1000F Translator is designed for the express purpose of broadcasting as authorized by the Federal Communications Commission's Rules and Regulations, Part 74, Subpart G, Low Power TV, TV Translator and TV Booster Station service. 1.2Personnel Qualifications The type acceptance tests were conducted under the supervision of Robert Nash, EMCEE VP/Director of Engineering. Mr. Nash has more than twenty-four years of experience in the development and testing of television transmitters and translators. 162 1.3Test Equipment 1.Antenna, Adjustable Dipole Set, 40-100MHz-1GHz, Model AS385/V, Stoddard 2.Antenna, Conical Helix, 1-11GHz, Model ALN108B, AEL 3.Attenuator, 10dB, 20W, Model 766-10, Narda 4.Attenuator, 20dB, 20W, …

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