Amateur Radio Archive

Vhf Or

FEATURES:

* SENSITIVITY SECOND TO NONEi GaAsFET front end on vhf models gi>es I2dBSlNADor 0.12uVfvhf),Q.15uV(220). UHFmodel 0.25uVstd. 0.1 uV with optionai hehcal resonator preamp. •SELECTIVITY THAT CAN'T BE BEAT? Both 8-pole xtal filter & ceramic filter for > lMdBatonly + 12kHz. Helical resonator front end to combat desense A mtermocl.

•CLEAN, STABLE TRANSMITTER, up to 18W output standard; 50W with accessory power amplifier.

»FCC TYPE ACCEPTED for commercial high band and uhf. •Courtesy beep, field-programmable CWID, flutter-proof squelch, automatic frequency control to compensate for off frequency transmitters {alt standard features).

•Full range of options available, such as autopatch phone line or radio remote control, sub-audible tones, duplexers.

HIGH PERFORMANCE TRANSMITTERS & RECEIVERS FOR REPEATERS AUDIO & DIGITAL LINKS, TELEMETRY, ETC

Kits $99k W/t $ 179 2W continuous duty. TCXÛ& xtal oven options available. +TÀ51 for 10MfGMt2M, 150-174, 220 MHz. /&. •TA451 for uhf,

FCC type accepted for commercial bands, •Call for latest information on 90© MHz transmitters, •VHF & UHF AMPLIFIERS. For FM, SSB, ATV Output from 10 to 5® Watts. Several models, kits starting at $79,

150-174, or 220 MHz. GaAsFET front endr 0 12uV sensitivity! Both crystal & ceramic filters plus helical resonator front end for exceptional selectivity: > lOfodBat ± 12kHz (best available anywhere)! Flutter-proof squelch AFC tracks drifting transmitters Kit $149, w/t $229. »R451 UHF FM RCVR. Similar to above. Tuned line front end, 0.25uV sens. (0 luV ^ith optional hel. res. preamp}. Kit $149. w/t $229.

•f?9tl FM RCVR FOR 9M MHZ. Triple-conversion. GaAs FET front end. 0.2uV sens. Kit $169, w/t $259.

■R76 ECONOMY VHF m RCVR for 10M, 6M. 2M. 220. Without hel resorafc. Kits only $129.

• Weather satellite & AM Aircraft receivers also avail.

FCC TYPE ACCEPTED TRANSMITTERS A RECEIVERS AVAILABLE FOR HIGH-BAND AND UHF. CALL FOR DETAILS,

GaAs FET PREAMPS

at a fraction of the cost of comparable units!

GaAs FET PREAMP

Wktd/testtd

FEATURES:

•Very Low Noi«: & 7dB VHF.G.SaBUHF ■High Gam: 13 20dB. depending on frequency « WÜ e Dynamk: ftang t: to rçsf sr ov erload

* Specify 'Ufttng ränge tevr&Ù 2630 46 50. 137-150 ISO 172. 210230\ 400-470. Or 800-960 WW

MINIATURE GaAs FET PREAMP

0NLY$24/klt,

$39 Wired/tested

GaAs FET Preamp simiiar to LNG except designed for Jaw coat & smalt »in Only 5/8* W* 1-5/81x3/4 "K Easily mounts in many radios,

* Specify tuning range desired 25 35. 35-551 55-90. 90120. 120 150, 150-2OO 200 270, or 4 GO 500 MH/

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