AN/FRT-5 and AN/FRT-6 Navy Transmitters

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AN/FRT-5 components - click here for description
(Collins Type 205D-1)

• T-225/FRT-5 Transmitter Cabinet including 4-400 driver and two 3X2500A3 finals plus
  • RF OSCILLATOR O-92/FRT-5 (crystal osc.)
  • RF OSCILLATOR O-91/FRT-5 (VFO)
    • O-91 circuit description & schematic - download 6 MB pdf
  • FREQUENCY SHIFT KEYER KY-45/FRT-5
    • KY-45 pages from FRT-5A manual
  • POWER SUPPLY PP-454/FRT-5 (for O-91, O-92, & KY-45)
• PP-490/FRT-5 Power Supply Cabinet
• TF-122/U  Power Transformer

Complete AN/FRT-5A manual - download 80.5 MB pdf

AN/FRT-6 components - click here for description 
(Collins Type 205E-1 - 1948 specs)

• AN/FRT-5 as driver plus: 
• AM-350/FRT-6 Final Amplifier cabinet with six 3X2500A3 finals
• PP-515/FRT-6 Power Supply Cabinet
• TF-124/FRT-6 Power Transformer

Photos I took 1970-71 at an FRT-6B test site
	T-225/FRT-5 finals - 3X2500A3	T-225/FRT-5 finals - 3X-2500A3	-
	Harold Eisley W3NET	T-225/FRT-5 Driver - 4-400	-
COMPONENTS
O-91/FRT-5 O-91A/FRT-5 O-91B/FRT-5 O-243/FRT-24 O-243A/FRT-24	2-4.5 mc VFO - motor driven AFC synced to 100 kc frequency standard		manuf Collins 708A-1 NAVSHIPS 91457 Circuit description & schematic -  download 6 MB pdf
KY-45/FRT-5 frequency shift keyer			NAVSHIPS 92346
NOS KY-45 packed in 1962 Unpacked in 2014
PP-454/FRT-5 power supply for O-91 & KY-45 in FRT-24, it powers O-243			Collins 709E-1