• Country
• United States of America (USA)

• Manufacturer / Brand
• Tektronix; Portland, OR

• Year
• 1973

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 161217

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• none

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Digital Counter DC501 - Tektronix; Portland, OR

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 67 x 126 x 270 mm / 2.6 x 5 x 10.6 inch

• Notes
• TM500 Test and Measurement Plug In System
  Direct Counting to 100MHz; 7-Digit Led Display; Manual Start/Stop
  Auto Range and time base options
  Frequency Range: 10Hz to 100 MHz
  Coupling AC; Attenuation: AC / x1, x5, x10, x50
  DC501 Option 2 is the same as DC501 except:
  Automatically selects the optimum measurement interval for the input, and displays the appropriate Mhz or khz indication. Overflow is only indicated for frequencies in excess 99.99999MHz (USD 645).

• Price in first year of sale
• 550.00 $

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Pius Steiner. See "Data change" for further contributors.

• Other Models

• Here you find 386 models, 374 with images and 92 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tektronix; Portland, OR