Although, this was originally called a "high frequency transmitter" in
the Millen ads it is by all current standards an HF & VHF transmitter. Primarily
this transmitter was designed to allow operation up through 2 meters, it came offered
with plug-in coil assemblies for 20, 10-11, 6 and 2 meters. The transmitter is crystal
controlled and uses a commerically available Bliley CCO type oscillator assembly.
A 2E26 is used as a driver/multiplier tube and the final amplifier was a 829B. The
829B was actually part of an amplifier assembly which Millen sold separately with
the product number 90811. A separate power supply is required for the transmitter.
Fully operational it is rated at 75 watts output without forced air cooling.|
This transmitter appeared on the seen in the late 40's. However, in the 1952 ARRL Handbook this product was distinctively marked with a red lettered DISCONTINUED across it. My quess was it lacked the necessary TVI (Television Interference) protection. The above chassis RF decks are not RF shielded!
Owner: Don Buska, N9OO