Early
Digital Test
Equipment 		Heathkit IB-1100
Counter 		 

Manufacturer:Heathkit
Model:IB-1100
Year:1972
Schematic:RE, MF
  
Max Rate:30 MHz
Display:NIXIE
Digits:5
Logic:TTL

An early entry into the lower end of the counter market, as inexpensive ICs became available. Very simple from the user interface side (frequency only) but note the reasonably high count rate compared to far more expensive counters from just a few years earlier.


- Unit Log -

Serial Number:03313
Year of Manufacture: 1972 (IC date codes of 72xx).
Date of Receipt:Apr 1997
State upon Receipt:Input triggerring seems a little erratic.

Repair Date: 1997
Procedure:Cleaned. Some reorganisation of wiring and cleanup of PCB.

Repair Date: 28 Apr 2008
Procedure:Power cord replaced with IEC socket.


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Early Digital Test Equipment 		bhilpert