Introducing

PRESCALER KIT Mode! PD-301 K

Model PD-301 is a 300 MHz prescaler designed to extend the range of your counter 10 times. This prescaler has a built-in preamp with a sensitivity of better than 50 mV at 150 MHz, 1 00 mV at 260 MHz, and 1 75 mV at 300 MHz. The 95H90 scaler is rated at typical 320 MHz, To insure enough drive for all counters, a post amp, was built-in,

The prescaler has a self-contained power supply regulated at plus-minus ,08%, The PD-301 is supplied without power supply if desired (input 50 ohms) (output Hi Z). The PD-301 has been tested on the following counters: Heath Kit 1B101 - Heath Scientific 105 — Monsanto 105A — Miida — Regency -Beckman - Hewlett—Packard 524B — and many home builts. In short to this date we do not know of any counter that the PD-301 has failed to work well with. All prescaler kits are shipped with 4" x 4" x Vhtf light grey cabinet.

For additional information see p. 1 /, February 2 973 73 MAGAZINE.

PD-301 K KIT with POWER SUPPLY

Shipped day order is received . , . , Include $1.50 for postage ¡insurance . . , ,

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