Palomar amplifier manual

Manual ,INFO. More Info. It is for receive only no transmit! It converts the balanced signal from the dipole to an unbalanced output for the coaxial cable. It prevents signal pickup on the outside of the coax thus reducing noise pickup.

It also connects both sides of the antenna to the coax shield at DC so static charges can drain to ground instead of going through the radio. The balun has an So to accept a standard PL connector. Output: High impedance. Mounting: Stainless steel eye bolt. Case: White PVC epoxy filled weatherproof. The Palomar Engineers P receiver preamplifier improves weak signal reception for the shortwave listener.

Frequency coverage is 1. It provides up to 20 dB of gain and reduces image and spurious response. This preamp also features a two position antenna switch and dB attenuator. Input and output is SO jacks. Requires a 9 volt battery which is accessible from the rear panel. PD-8OO works with transceivers that have three oscillators in their heterodyne scheme. Three cables bring these signals to the Digital Display where, in two mixers, the exact operating frequency is regenerated. This Is displayed on a six digit numerical readout.

PK had iambic keying with dot and dash memories, monitor speaker. Fully adjustable speed, volume, weight and pitch. Keys any rig old or new. PK had memory messages. Machined brass by Kent of England. Assembled by Palomar in California.

Rotary ball bearings. Smooth, effortless action. The greatest improvement in keys in 20 years. See additional pictures below for P, P Tuner Tuner — Product Reviews.

Antenna Tuner — 2KW Continuous, 1. Built in noise bridge. Antenna balun at input of tuner. I ended up decreasing the surface area of the heatsink slightly, winding copper pipe through the fins, and adding fans to cool the transformers. No the real reason I replied. Once you look at this project with what it takes to get it right you understand why a commercial amplifier costs so much. It's a bit of work to tidy it up.

These are not CB radio trash. These are four active devices with the absolute basic circuitry to get them going as a class C amplifier. Without bias and bandpass filters they are a spectral nightmare sure to get you noticed on every odd harmonic well into VHF. Again they have nothing to do with CB radio. They are just a starting point for a DIY amateur amplifier. Now if you don't apply the temperature tracking bias, bandpass filters, VSWR foldback, heatsink, indicators and alarms, you deserve the inevitable knock on the door or smoke cloud rising from the amp.

AF7XT , Nov 16, You could PM that schematic I'm a bit of a collector. I'll trade you for a couple of bias circuits and the transistor data sheets I finally located the schematic for the tx It took me years to find. I hope it helps.