Precise Time & Frequency Home Up Back
              GPS receiver           
HP Z3861A No.1 , No.2 GPS Disciplined oscillator 1997
HP Z3801A GPS Disciplined oscillator 1997
HP 55300A GPS Disciplined oscillator 1995
Trimble 34304-10 GPS Disciplined oscillator 2004
CIC GPSR-A GPS Disciplined oscillator 2000
Trimble Thunderbolt GPS Disciplined oscillator 2003
Lucent KS-24019 L106C RFTG-m-XO CDMA Timing unit 1999
Odetics GPStar plus GPS Disciplined oscillator 2003
Symmetricom 58534A-H01 GPS Timing Antenna 1988
I-Odata USB-GPS GPS Rx 2001
 
Furuno GPA-017S GPS Antenna
NDK AN-GPS2-N GPS Antenna 2008
Trimble 28367-70 GPS Antenna
Garmin Low profile Antenna GPS Antenna
Trimble Miniature 5V GPS Antenna
HP 58517A  1 to 8 Distribution Amplifier Splitter
HP J87-59991A 1 to 4 Distribution Amplifier Splitter
NDK AN-GPS-AMP GPS Preamp (21dB) 2008
HP 58514A GPS L1 BPF
KDI KS-21604 L12 6way Power Splitter
   

           LORAN-C, FM/TV receiver           
SRS FS700 LORAN-C Frequency Standard 1993
JRC JNA-761 LORAN-C Rx  No.1 , No.2 1983, 1989
JRC NFG-800 LORAN-C Antenna Cupler
JRC NFG-104 Omega Antenna Cupler
SEIKO TDC-100 Time Data Clock
SHIBASOKU 483 Standard Frequency Generator 1978
   

  Time Code Generator,  Phase Comparator  
Datum    9150-3019      Time Code Generator 1987
HP K34-59991A Phase Comparator 1980
Austron 1201B Linear Phase Recorder 1989
     
             Cs, Rb OSC              
HP       5061B  No.1 ,No.2           Cs OSC         1995?, 1995
Lucent RB F Std. Rb OSC
SRS PRS10 Rb OSC
Efratom FRS-C Rb OSC  1988 
FUJITSU H48M-5407-H115 Rb OSC 1995
NEC NEATMIC Rb-1007 Rb OSC 1980
NEC NEATMIC Rb-3200BV Rb OSC 1994
TOOCOM    Rb-3110NV1   Rb OSC 2003
FEI FE-5680A Rb OSC 2000
  

                 OCXO                 
Oscilloquartz 2210 OCXO 1986
Oscilloquartz 8601 OCXO 1986
Sulzer Sulzer 5B OCXO 1960
  AN/URQ-10 No.1, No.2 OCXO
HP 00105-6021 OCXO 1972
NEC Toyocom TCO-6703N OCXO
NEC M7P-QG0003-0001 OCXO
Wenzel Streamline OCXO OCXO 1994
Piezo 2910112 OCXO 1994
  ADVANTEST   TR3110 OCXO 1995
TOYOCOM  TCO-10GA5  OCXO 1995
NEC  XB-9  X'tal Oven 1969
Shinko denki RTS-P-784   HC-6/U X'tal Oven 1968
 
  Hydrogen maser
  BVA Quartz oscillator
  Allan Deviation  Phase Noise  Frequency counter ,

OSA  Oscilloquartz S.A  MODEL 2210    OCXO      Mfr. Date : 1986                                    2010.1.31
Ultra stable quarts oscillator  ( first commercial BVA oscillator )
most excellent oscillator at 1980 era   (detail)

--  Spec. --
X'tal : AT cut, 5MHz, 5th order overtone
  3.5x10-13/10s, 5x10-12/24H
 (changed to SC cut X'tal at end of 1980 era :       
                -137 dBc/1Hz offset, 1 to 2 x 10-13j

 
Output signal level   (2010.8.8 measured)
 Front Panel  ( Sine out )  Rear panel  ( Sin out )  
1MH‚š 1.12 Vrms  1 MH‚š 2.07 Vrms
5MHz 291 mVrms 5 MHz 2.17 Vrms
10MHz 129 mVrms  10MHz 1.18 Vrms
Front Panel  (TTL out)
50Hz, 60Hz, 400Hz, 1kHz, 10kHz, 100kHz  0 - 4 V
Circuit

OSA 8601    Ver. 02    5MHz , DC24V
 OSA_8600_8601_catalog.pdf
 OSA_Features_of_BVA_quartz.pdf
 OSA_catalog_1982.pdf
 OSA_8601_catalog_1986.pdf 

Sulzer  5B  OCXO      Mfr. Date : 1960 era                                                                    2007.9

 BRIEF HISTORY OF THE DEVELOPMENT OF ULTRA-PRECISE OSCILLATORS FORGROUND AND SPACE APPLICATIONS  
 Design and Performance of Ultraprecise 2.5-mc Quartz Crystal Units_warner_1956.pdf
 A New Type of Balanced-Bridge Controlled Oscillator _HPL-1999-6.pdf
 Time and Frequency Standard -Quartzlock- December 1999 p.36-48_ANQL0-04.pdf
 AN APPLICATION OF THE GUIDE TO MEASUREMENT UNCERTAINTY _deavermsc00.pdf
 Time&Frequency User Club 2003 Newsletter 2.ai_sep03nl.pdf
 To_ K5GNA@aol.com.txt
  Sulzer 5B  
Circuit
 Sulzer PS 
 Battery
holder
Battery
charge
circuit
original
modified
before modify
new charge circuit

AN/URQ-10  No.1                                                  2008.3
    US Navy frequency standard for ship


AN/URQ-10   No.2                                                        2008.7
 
 
Change battery

Two Ni-Cd Battery pack for RC model
2.2 Ah x 12 cell  ( original : 3.5 Ah x 13 cell )

2008.8.4

HP  00105-6021  OCXO            Mfr. Date : 1972              

Reference frequency oscillator of HP 5248M 135MHz 8 digit Frequency Counter

Oven crystal oscillator :
  5MHz, <‚T x 10-10 ( After 24hour warm-up)
       <‚Tx10-11 / 1s
       <‚Tx10-11 / 1Ž (0Ž -  50Ž)
HP_105AB_op_serv_Manual.pdf
105AB_106A_B_catalog_1969.pdf

NEC OCXO  10MHz Oven Controlled Frequency Standard                           20071115

NEC Toyocom TCO-6703N   SC-cut  10MHz
Utilizing the Stress-Compensated (SC) crystal cut, this class of oscillator represents the very highest level of performance which is achievable with quartz-based oscillators.  Featuring rapid warm-up and low power consumption, excellent short-term and long-term stability.

  • Supply Voltage:  12V
  • Power Consumption:  1A max (warm-up), 300mA typical (operating)
  • Output:  5V CMOS Compatible
  • Temperature Stability:  +/-2.5x10^-9
  • Ageing:  +/-2x10^-10 (per day), +/-3x10^-8 (per year)
  • Frequency trim:  +/-0.3ppm (0-5V)

NEC  M7P-QG0003-0001   AT-cut   10MHz
Utilizing the "AT" crystal cut, this device offers a very high level of performance.  Featuring rapid warm-up and low power consumption, excellent short-term and long-term stability.

  • Supply Voltage:  12V
  • Power Consumption:  1A max (warm-up), 300mA typical (operating)
  • Output:  5V CMOS Compatible
  • Temperature Stability:  +/-3x10^-8
  • Ageing:  +/-3x10^-10 (per day), +/-5x10^-8 (per year)
  • Frequency trim:  +/-0.3ppm (0-5V)

TOYOCOM  TCO-646A   5MHz    OCXO                                   2010..1.20

Wenzel Streamline OCXO   SC-cut   10MHz     Mfr. Date :  1995
   Low Phase Noise
-- Spec. --
OUTPUT Level 
Aging
Phase Noise
+13 dBm
1x10exp-9 to 5x10exp-10
-165 dBc/Hz @1kHz,10kHz
Wenzel_OCXO_STR_2030 Catalog



Piezo  OCXO          Mfr.Date : 1994                                                        2008.8.14

 MtronPTI (USA)
     Oct. 2004    M-tron Industries Inc. +  Piezo Technology Inc
     LGL group company


     xo5040_datasheet62906.pdf

Advantest  TR3110  Secondary Frequency Standard     Mfr. Date : 1995                         2005.5

-- Spec --
Output Frequency
Temperature Stability
Long Term Stability
Frequency Trim range
Power
Buttery
Dimensions
100K/1M/10M/100MHz
1*10E-9(+-10Ž), 5*10E-9(+-30Ž)
5*10E-10/day
4*10E-8
AC100V+-10%,  30VA
20 hour ( standby ),  10 hour ( Operate )
149 H x 250 W x 350 D,  10Kg
Catalog Price : JPY 700,000
Mfr. Date : 1995   TOYOCOM TCXO    5MHz
 

TOYOCOM  TCO-10GA5  TCXO  5MH‚š         Mfr.Date : 1995                         2008.9.18
        Same OCXO unit of TR3110

NEC  XB-9   Crystal Oven       Mfr. Date : 1969                                       2010.1.27
@@

Shinko Denki Kougyou  HC-6/U Crystal Oven      Mfr. Date : 1968                             2010.2.12
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