• Country
• United States of America (USA)

• Manufacturer / Brand
• Jerrold Electronics Corporation, Philadelphia

• Year
• 1970 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 226219

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 20

• Semiconductors
• S1140 S1140 S1140 S1140 2N3905 2N3905 2N3905 2N1309 2N1308 2N456 2N3905 2N3905 36479 S1140 S1140 S1140 S1140 S1140 S1140 S1140

• Main principle
• Superheterodyne (common); ZF/IF 52000 kHz

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Line / Batteries (any type) / 115/230; DC12-15; 1x12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Power out
• 0.15 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Field Strength Meter 727 - Jerrold Electronics

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 13.25 x 8.5 x 8.25 inch / 337 x 216 x 210 mm

• Notes

• The Jerrold-Texscan Model 727 Field Strength Meter is a tunable RF voltmeter for measuring signal levels between 10 Microvolts and 3 Volts in the range of 5 - 216 MHz in 10 ranges.

  The range can be extended with a special plug-in converter to cover 470 - 890 MHz.

  The instrument consists of a tuner/local oscillator unit, a balanced mixer, and IF amplifier and a peak detector measuring circuit. It also includes a video detector whose output is available at a terminal. A discriminator, audio amplifier and a loudspeaker are also incorporated.

   

• Net weight (2.2 lb = 1 kg)
• 15 lb 0 oz (15 lb) / 6.810 kg

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Jean-Pierre Goessaert. See "Data change" for further contributors.

• Other Models

• Here you find 20 models, 17 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jerrold Electronics Corporation, Philadelphia