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Equipment information:

Receiver -- Spectracom 8164

Manufacturer:
Spectracom
Model: 8164
Date: 1989
Category: Radio, Communication
Group: Receiver
Description: WWVB Disciplined Oscillator
Information:

The Spectracom MODEL 8164 WWVB Receiver DISCIPLINED OSCILLATOR* is a frequency standard with accuracy directly traceable to the National Bureau of Standards. The Spectracom MODEL 8206 ferrite loop Antenna is used to receive to 60 kHz carrier of WWVB. The Model 8164 is continuously monitored against WWVB and kept on frequency by a microprocessor. The Oscillator outputs can be used as a precise external input for transmitters, receivers, counters, synthesizers, and Other electronic equipment. Figure 1-1 shows the Model 8164 Disciplined Oscillator and the Model 8206 Antenna. 1.1 FEATURES The Model 8164 WWVB Receiver-Disciplined Oscillator offers the following features: BUILT-IN PHASE COMPARATOR - may be used to compare the phase of the internal ovenized Oscillator or local input with the received WWVB signal. Results are recorded on the strip chart recorder. TRACEABILITY - verification to the National Bureau of Standards is done by noting the hourly WWVB phase shift identification. The hourly offsets appear as "tick” marks on the strip chart recording. ALARM STATUS - operational status is communicated by alarm lamps and RS-422 alarm outputs. SELECTABLE FRONT PANEL OUTPUTS - 0.1, 1.0, 5.0 or 10 MHz TTL compatible signals of the phase locked and standard Oscillator outputs. FREQUENCY OFFSETS - with the addition of a frequency offset option, the internal 10 MHz standard Oscillator is offset a precise amount. The offset frequency used as a reference to a television or paging Transmitter reduces or eliminates co-channel interference. DISTRIBUTION OUTPUTS - with the addition of Option 03, Built-In Distribution Amplifier, up to 25 remote stations may use the standard outputs as a common time base.







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Service and User Manual -- Spectracom -- 8164

Manual Type: Service and User Manual Spectracom-9380-Manual-Page-1-Picture
Pages: 140
Size: 5.58 Mbytes (5851567 Bytes)
Language: english
Revision: 3.1
Manual-ID/Number:
Date: 01 August 1993
Quality: Scanned document, all readable.
Upload date:
Downloads: 84 since 20 August 2017
Information:

INSTALLATION: 1.0 INTRODUCTION ... 1-2 1.1 FEATURES ... 1-2 1.2 UNPACKING ... 1-2 1.3 RESHIPMENT ... 1-4 1.4 MODEL 8206 LOOP ANTENNA ... 1-4 1.5 ANTENNA LOCATION ... 1-4 1.6 ANTENNA INSTALLATION ... 1-6 1.7 MODEL 8211 Antenna MOUNT ... 1-7 1.8 MODEL 8207 PREAMPLIFIER INSTALLATION ... 1-7 1.9 BENCH OPERATION ... 1-8 1.10 OPTION 01 RACK MOUNT ... 1-8 1.11 OPTION 11 RACK MOUNT WITH SLIDES ... 1-9 1.12 PREPARATION FOR USE ... 1-10 OPERATION: 2.0 INTRODUCTION ... 2-2 2.1 FRONT PANEL FAMILIARIZATION ... 2-2 2.2 REAR PANEL FAMILIARIZATION ... 2-5 2.3 INTERNAL SWITCHES ... 2-10 2.4 NBS OUTPUTS ... 2-12 2.5 WWVB IDENTIFICATION & CHART RECORDINGS ... 2-12 2.6 USING THE PHASE COMPARATOR ... 2-16 2.7 TIME CODE OUTPUTS ... 2-19 2.8 SIGNAL STRENGTH MEASUREMENT ... 2-20 2.9 RECEIVER PRINTOUTS AND COMMANDS ... 2-20 SPECIFICATIONS: 3.0 INTRODUCTION ... 3-2 3.1 RECEIVER/COMPARATOR ... 3-2 3.2 FREQUENCY STANDARD OUTPUTS ... 3-2 3.3 STANDBY SUPPLY ... 3-3 3.4 STRIP CHART RECORDER ... 3-3 3.5 ALARM LAMPS ... 3-4 3.6 ALARM OUTPUTS ... 3-4 3.7 DATA STRUCTURE ... 3-4 3.8 MECHANICAL AND INSTALLATION ... 3-4 PRINCIPLES OF OPERATION: 4.0 INTRODUCTION ... 4-2 4.1 RF Amplifier A1 ... 4-2 4.2 RECEIVER ASSEMBLY A2 ... 4-10 4.3 OUTPUT Amplifier A4 ... 4-17 4.4 OSCILLATOR AND Power Supply ASSEMBLY A5 ... 4-17 4.5 FREQUENCY AND TIME COMPARATOR A6 ... 4-23 OPTIONS AND ACCESSORIES: 5.0 INTRODUCTION ... 5-2 5.1 OPTION 03, BUILT-IN DISTRIBUTION Amplifier ... 5-2 5.2 OPTION 31, 10 HZ TV CHANNEL OFFSET ... 5-10 5.3 OPTION 34, SMARTSTART ... 5-13 5.4 OPTION 36, PAGING Transmitter OFFSETS ... 5-14 5.5 OPTION 56, SMALLER PAGING OFFSETS ... 5-18 5.6 MODEL 8171A SYNCHRONIZED CLOCK ... 5-21 SERVICE INFORMATION: 6.0 INTRODUCTION ... 6-2 6.1 PERFORMANCE CHECKS ... 6-2 6.2 TEST EQUIPMENT ... 6-3 6.3 BENCH SET-UP ... 6-5 6.4 RECEIVER ALIGNMENT AND CHECKS ... 6-5 6.5 OSCILLATOR AND Power Supply CHECKS ... 6-9 6.6 FREQUENCY TIME COMPARATOR CHECKS ... 6-10 6.7 ACCESSORY TESTS ... 6-15 6.8 TROUBLESHOOTING ... 6-20 PARTS LIST: 7.0 INTRODUCTION ... 7-2 7.1 RF Amplifier ASSEMBLY ... 7-2 7.2 RECEIVER ASSEMBLY ... 7-3 7.3 OUTPUT AMPLIFER ASSEMBLY ... 7-8 7.4 OSCILLATOR, Power Supply ASSEMBLY ... 7-11 7.5 FREQUENCY TIME COMPARATOR ASSEMBLY ... 7-12 7.6 ANCILLARY KIT ... 7-14

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