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The 1001 is a useful broadband RF preamplifier which uses a single monolithic microwave integrated circuit (MMIC). Its range is broadly in line with the MAR and MAV series of MMIC devices which operate DC to 2GHz. Very simple to build, this kit can be used in a variety of projects.
Many AM receivers could do with beefing up by receiving CW and SSB. With this BFO (beat frequency oscillator) kit, it is possible to receive these modes. Adjustment of the BFO frequency between 450 to 460kHz is straight forward and covers one of the normal intermediate frequencies ranges in receivers (455kHz IF). Satisfactory results can be obtained by coupling the BFO kit to the antenna input of the receiver.
Ten-Tec have developed the 1207 capacitor kit based on the successful 80-858 40-500pf capacitor used in the Ten-Tec linears and high power antenna tuners.
With activity hotting up on 6m why not build one of the Ten-Tec 6m transverter kits. There are two models to choose from. The1208 transverts with a 20m transceiver or the 1209 used in conjunction with a 2m transceiver. If using your 20m rig, the frequency 14.000MHz on your display equates to 50.000MHz and 14.200MHz to 50.200MHz. 2m to 6m are similarly covered except that the frequencies are from 144MHz.
Both models are easily hooked up to the relevant transceiver and transmit/receive switching is taken care of by RF-sensing PIN diodes. The power requirement is 12 to 15V DC at 3A.
For 6m antennas see the Antenna section in this catalogue. 6m antennas come in a variety of types dedicated to 6m or tri-band or multi-band antenna with a 6m capability.
Ten-Tec have put together a complete kit that includes everything you need to build this Ultra-sonic amplifier, right down to the case and speaker. Includes high and low impedance inputs and outputs. The 20 page instruction manual will enable beginners to build this kit with ease and the supplementary manual gives you a wide range of experiments that can be conducted with this unit. These include: Test bench amplifier, General audio trace for servicing, Booster for handhelds, Listen to energy experiments, Hear lightning, radar, car engines, Even the sound of bending paperclips!
If you want the experience of building a true dual-conversion superhet receiver with a microprocessor-controlled frequency synthesizer then this model will fit the bill. Generally most kits available are of the TRF type and only have limited band coverage. This receiver covers 100kHz to 30MHz AM/SSB (CW) which is as good as most communication receivers. Building the 1254 is done in easy stages and does not require you to have complicated test equipment. Once built, you will have the satifaction of knowing that you have completed a useful piece of gear to further enjoy your SWL hobby on the bands. This kit is more suitable for advanced kit builders and should take about 25 hours to complete. All parts are supplied including the case. There is a mains power adaptor supplied but this is for 110V AC and should not be used on 230V AC. The receiver should be run off a 12-15V DC.supply.
These kits are not recommended as a first-time project in view of the large number of components and density of circuit board. However, it should be well within the capability of anybody who has had some previous kit-building experience. Other kits in range: 1340 40m CW transceiver, 1380 80m CW transceiver.
These kits are not recommended as a first-time project in view of the large number of components and density of circuit board. However, it should be well within the capability of anybody who has had some previous kit-building experience. Other kits in range: 1320 20m CW transceiver, 1340 40m tranceiver, 1380 80m CW transceiver.
These kits are not recommended as a first-time project in view of the large number of components and density of circuit board. However, it should be well within the capability of anybody who has had some previous kit-building experience. Other kits in range: 1320 20m CW transceiver, 1380 80m CW transceiver.
These kits are not recommended as a first-time project in view of the large number of components and density of circuit board. However, it should be well within the capability of anybody who has had some previous kit-building experience. Other kits in range: 1320 20m CW transceiver, 1340 40m CW transceiver.
The 1550 Utility Audio Amplifier uses the Signetics TDA2611A audio amplifier IC which is used in all the current Ten-Tec transceivers. Two inputs are provided, one directly to the IC, and the other through the NPN transistor preamplifier. In this application it is run at 1.5W.
The 1551 Speech Processor kit can be used with older transceivers or homebrew equipment that do not have speech processing. It is easy to fit between the microphone and existing microphone input. The circuit is the same as provided in the Ten-Tec Omni VI and Paragon II. Optional matching case order as 1000A.
This electronic keyer is an adaptation of the popular 555 timer IC. In this case two 556 ICs are used. It provides a good quality circuit which operates well with any paddle. Speed as well as a weighting control is provided along with side-tone. The finished kit can serve as a budget keyer for homebrew transceivers or as a standby.
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