Hi Bert,

The service manual for the 5300B is on the keysight.com site under manuals.

http://www.keysight.com/main/techSupport.jspx?searchT=5300B&id=5300B:epsg:pro&pageMode=OV&pid=5300B:epsg:pro&cc=US&lc=eng

Do you have a frequency reference (house standard) that you can use to adjust the reference in the counter? See the manual.

Regards,
Tom




----- Original Message ----- From: "Burt I. Weiner" <[email protected]>
To: <[email protected]>
Sent: Saturday, November 01, 2014 3:19 PM
Subject: [time-nuts] HP 5300B - HP 5308A Counter Time Base Question...


I was recently given a HP-5300B / 5308A counter. I thought it might be handy when I'm at an AM broadcast transmitter and needed to make "rough" frequency measurements. It turns out that at 1000 kHz it reads about 4.5 Hz high. Looking inside I'm not sure if there's a time base adjustment. I looked at the on-line manuals available and I don't find any reference to adjusting the time base frequency. Does anyone here know anything about these counters? Is there a schematic available? I'm not looking for precision, but 4.5 Hz at 1 MHz seems a tad much.

Burt, K6OQK

Burt I. Weiner Associates
Broadcast Technical Services
Glendale, California  U.S.A.
[email protected]
www.biwa.cc
K6OQK
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