Precise Time and Frequency, Inc.
At Precise Time and Frequency we strive to offer our customers frequency reference and time standard synchronization solutions tailored to meeting performance requirements at minimum cost. Other products include NTP Servers, broadband amplifiers, RF distribution, 1PPS distribution, and fiber optic distribution. Since being founded in 2002 the Company has seen a number of changes, and Precise Time and Frequency, LLC is now a wholly owned subsidiary of LGL Group, Inc. With our sister company, MtronPTI, based in Orlando, Florida, this gives us the unique advantage of small company responsiveness, backed by the resources of a larger corporation.
- 781 245 9090
- 781 245 9099
- info@ptfinc.com
- 50L Audubon Road
Wakefield, MA 01880
United States
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1211a Optical Receiver/Distribution
Precise Time and Frequency, Inc.
To complement the range of high quality frequency and timing references, Precise Time and Frequency, LLC. has now introduced a new Optical Time Code Receiver, with Auto Switching, a full complement of time code outputs, and Ethernet/RS232 remote monitoring/control interface.In addition to the auto switching capability, the new ptf 1211A delivers up to thirty six channels of Time Code outputs, including re-transmission of the optical input. The unit can accept a pair of inputs (usually from separate primary and backup sources), and provides monitoring of both the inputs and outputs for signal integrity.If the primary input fails, the unit will automatically switch to the backup input and indicate a primary signal fault.Full remote monitoring and control via RS232 and Ethernet interfaces includes telnet, http (web browser), and SNMP protocols.
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1231a Very High Frequency Distribution
Precise Time and Frequency, Inc.
The ptf 1230A(1U)/1231A(2U) GPS L-Band RF Distribution amplifiers provide high performance GPS signal references for laboratory or systems use. In most applications the low noise and signal gain capability of the units will provide userswith a robust GPS signal source for lab or system requirements.The ptf 1230A/1231A uses individually buffered output stages and insures maximum isolation between the individual outputs. The ptf 1231A offers 12 outputs. Options are available for a 2U/3.5” version (ptf 1230A) with 24 outputs.Isolation from output to output is >-40 dB. The input also offers DCV for biasing an active antenna.
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1207a Multi Channel Auto Switch
Precise Time and Frequency, Inc.
With intense competition and subscribers demanding ever more from service providers, quality and availability of service have never been more critical to maintaining and expanding your subscriber base.To complement our range of our high quality frequency and timing references, Precise Time and Frequency, Inc. has now introduced a new RF, Digital, and Time Code, Auto Switch / Distribution unit to insure you deliver the performance and reliability your customers demand.The ptf 1207A delivers up to eight channels of fully redundant, frequency and timing references to critical applications such as Satellite Communications, Broadcasting, WiMax and others, with NO SINGLE POINT OF FAILURE.The unit accepts two inputs on each channel from separate sources (primary and backup), monitors the inputs for signal integrity, and outputs the primary signal with no degradation of the input.If the primary input on any channel fails, the unit will automatically switch to the backup input and indicate a primary signal fault.The unit will accept up to eight channels simultaneously and independently switch on each channel.The unit also includes full remote monitoring and control via RS232 and Ethernet interfaces.
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1226 Auto Switch/Distribution
Precise Time and Frequency, Inc.
To complement the range of high quality frequency and timing references, Precise Time and Frequency, Inc. has now introduced a new version of the ptf 1226A Auto Switch that includes an additional switch channel (now 3 channels total) of RF, and/or Digital, and/or Time Code, Auto Switching, and a full Ethernet/RS232 remote monitoring/control interface.In addition to the auto switching capability, the new ptf 1226 delivers up to thirty six channels of RF, Digital or Time Code frequency and/or timing references to critical applications such as Satellite Communications, Broadcasting, WiMax and others.Analog channels include a unique output level monitoring feature to provide remote indication of rms voltage output level.The unit can accept up to three pairs of inputs (usually from separate primary and backup sources), and provides monitoring of both the inputs and outputs for signal integrity. In addition RF channels include analog level monitoring. If the primary input on any auto switch channel fails, the unit will automatically switch to the backup input and indicate a primary signal fault.Full remote monitoring and control via RS232 and Ethernet interfaces includes telnet, http (web browser), and SNMP protocols.
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2210A & 2211A Quartz Frequency Standards
Precise Time and Frequency, Inc.
The ptf 2210A Quartz Frequency Standard has been designed to provide a highly stable and spectrally pure frequency reference for applications requiring the ultimate in short term frequency performance.The instrument contains a double oven controlled stress compensated (SC cut) quartz crystal oscillator (OCXO) to give the ultimate in performance.Ideal for laboratory or system use, the unit provides good stability performance at lower cost and with improved phase noise.
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3207a GPS/GNS Frequency and Time Reference
GlobalTyme2
Precise Time and Frequency, Inc.
The ptf 3207A GlobalTyme2 GNS Receiver introduces a new level of advanced capability from a second generation, based on the highly successful ptf 3203A and ptf 3204A GlobalTyme receivers.The unit is both a frequency standard and a time standard and has been used as a precision frequency reference with low phase noise, in satellite communications applications around the world.
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1229a Frequency Generator
Precise Time and Frequency, Inc.
The ptf 1229A utilizes the latest technological advances in precision frequency synthesizers to provide a multiple output, wide range, high precision frequency reference instrument, capable of delivering frequencies over the range of 0.1Hz up to 30MHz with a resolution of 0.1 Hz over the full range.The unit includes an external reference input to allow extremely high accuracy outputs at precisely the frequency required, together with a front panel indicator to verify “lock” to the external reference. The standard unit includes two independent frequency outputs of any frequency within the range, and provides both sine and square wave outputs for each frequency.An expansion module gives the capability to increase the number of independent frequency outputs up to a total of four frequencies, with sine and square wave outputs for each, giving a total of eight outputs.
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1208/9a Optical Distribution, RX/TX
Precise Time and Frequency, Inc.
The ptf 1208A (transmitter) and ptf 1209A (receiver) provide a convenient and simple way to transmit high quality RF signals over long distances, without the concerns associated with electrical interference and pick-up.The ptf 1208A accepts an RF input in the range from 1kHz up to greater than 10MHz and provides a combination of 8 local, high isolation, RF distribution outputs and 4 optical transmission outputs for distances up to 2 kilometers.The ptf 1209A accepts an optical input (transmitted from the ptf 1208A) and provides 12 local RF outputs, either digital (TTL into 50 ohms) or low noise sine wave signals driving 1V rms into 50 ohms (with the PLL option), or both.These systems are especially designed to accommodate IRIG B DCLS, 1PPS and other RF signals in the range from 1kHz to 20MHz.The modular construction allows for a variety of input/output configurations to provide a fully tailored application solution.
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1206/7a, 1206/7a-mc Configurable Distribution
Precise Time and Frequency, Inc.
The ptf 1206A (1U) & ptf 1207A (2U) provide the flexibility of distributing a variety of signals from one highly configurable box With ptf’s quad-bloc distribution cards you can build a system that is tailored to your specific needs. Based on the ptf family of Distribution products, ptf quad-blocs are available for Broadband RF, Digital, Pulse and Modulated IRIG Distribution. Dual input A/B autoswitching capabilities are also available as an option.
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1204a/1204a-mc Digital Signal Distribution
Precise Time and Frequency, Inc.
The ptf 1204A Digital Signal Distribution unit is a flexible platform used for distribution of various pulse formats (ex. 1 PPS, 1 PPM, 10 PPM, etc). The ptf 1204A will also distribute digital timing signals such as IRIG-B DCLS format. In order to cater for a wide range of input pulse frequencies, the ptf 1204A design utilizes a CPLD with jumper selectable alarm delays tocorrectly alarm on the various pulse frequencies. The unit reproduces precision pulse input signals with the minimum of propagation delays.
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3207a GPS/GNS Frequency and Time Reference
Precise Time and Frequency, Inc.
The ptf 3207A GlobalTyme2 GNS Receiver introduces a new level of advanced capability from a second generation, based on the highly successful ptf 3203A and ptf 3204A GlobalTyme receivers.The unit is both a frequency standard and a time standard and has been used as a precision frequency reference with low phase noise, in satellite communications applications around the world.
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4210A Rubidium Frequency Standard
Precise Time and Frequency, Inc.
The ptf 4210A Rubidium Frequency Standard is a unique solution for providing a highly stable, low phase noise, frequency reference for applications requiring atomic reference stability performance.The instrument contains a high performance rubidium module, with an extended life design, and very low aging rate, with high quality OCXO o/p for low phase noise.
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1202a High Frequency Distribution
Precise Time and Frequency, Inc.
The ptf 1202A High Frequency Distribution amplifier provides high performance frequency references for laboratory or system use requiring distribution at frequencies of 30MHz and above.The ptf 1202A is especially designed to distribute the high frequency input signal to 12 separate outputs, with minimum signal distortion and maximum isolation between individual output signals.
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Ultra Low Noise Disciplined Frequency 4220a Standard with Rubidium and OCXO Clean-Up Oscillator
Precise Time and Frequency, Inc.
The ptf 4220A is an Ultra Low Noise Disciplined Frequency Standard with rubidium and OCXO clean-up oscillator.The instrument contains a high performance rubidium module, with an extended life design, and very low aging rate, with high quality OCXO o/p for low phase noise.
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1203c Broadband RF Distribution
Precise Time and Frequency, Inc.
The ptf 1203C Broadband RF Distribution amplifier provides high performance frequency references for laboratory or system use.The ptf 1203C uses two stages of input signal buffering to distribute the input signal to 12 separate outputs, and insure maximum isolation between individual output signals.
