Power supply: DC9~13.8V (recommended linear power supply or battery), does not distinguish between positive and negative Antenna: 50 Ohm, 7 MHz, VSWR 2.0 or less. Reception standby current: 20 mA. Emission current: 120 mA. Transmission power: 1.2 W. Frequency: the oscillator frequency emission; reception of local oscillator frequency. Mode: CW. Button: manual button. Automatic transmitter: not supported. Sidetone: none. The circuit principle: See wiring diagrams: with the surrounding elements forming a typical Colpitts-oscillator and remaining oscillating (it has about 1mW when receiving an oscillating signal leak), the LO signal is directly coupled to the capacitor 8050. In the transmitting state (keystroke), 8050 as the C-class amplifier, the signal is amplified by capacitive 100nF coupling to the type 3 low-bass filter, and then send the antenna; in the receiving state (key release), and around 9018 elements forming the beat oscillator (BFO), 1. N40001 Plus high voltage, DC with capacitive pressure is increased. At both ends decreases, the natural frequency can be increased to about 0-3 kHz, can easily receive signals of 7.023 MHz clock. 8050 is biased in the nonlinear range (the transistor is then two diodes back to back), and the signal received by the antenna BFO signal for mixing, mixing the audio signals obtained by coupling to the 0.1uF capacitor form LM386 audio power amplifier, audio signal amplified by LM386 1.5 m 1.5m 0uF capacitor blocking evacuation headphones key not only control the LM386 power on off switch is also pre-loaded Varactor D2, so that volume changes in different states. Review: A right of passage for Amateur Radio afficianados ! - Fun, inexpensive little kit that anyone who is interested in radio communications should build and enjoy. Although there is very little included in the way of instruction, there is enough documentation online to complete it easily. All the parts were of decent quality and the Lexan box gives it a bit more of a finished looked. Review: Great little CW Transceiver for training. - This is a fun little project to build a 1 watt QRP CW transceiver. The kit is well designed and the build instructions are easy to follow. The case is well made and fits like a glove. It comes with two crystals so you can choose which frequency you would like to transmit on. I now have an inexpensive unit to practice my CW skills. It is surely a low cost tool to help you learn morse code. 73 W4WQC.
| ASIN | B08JJ8B7YH |
| Additional Features | Buzzer, LED Indicators |
| Best Sellers Rank | #354 in Radio Antennas #504 in Portable FRS Two-Way Radios |
| Brand | LJJDSLYU |
| Built-In Media | Balun kits with instructions |
| Color | transparent |
| Compatible Devices | Two-way radios operating on 40 meter band, compatible antennas, and accessories supporting 7.023 Mhz to 7.050 Mhz frequency range |
| Connectivity Protocol | CW |
| Customer Reviews | 4.4 out of 5 stars 66 Reviews |
| Frequency Range | 7.023 Mhz to 7.050 Mhz |
| Manufacturer | Hechengdianzi |
| Mfr Part Number | S-PIXIE |
| Model Number | 791564866767 |
| Number of Channels | 1 |
| Special Feature | Buzzer, LED Indicators |
| Talking Range Maximum | 40 Meters |
| Tuner Type | Analog tuning knob |
| UPC | 791564866767 |
| Unit Count | 1.0 Count |
| Voltage | 13.8 Volts |
| Warranty Description | 1 |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IP67 |
B**L
A right of passage for Amateur Radio afficianados !
Fun, inexpensive little kit that anyone who is interested in radio communications should build and enjoy. Although there is very little included in the way of instruction, there is enough documentation online to complete it easily. All the parts were of decent quality and the Lexan box gives it a bit more of a finished looked.
P**E
Great little CW Transceiver for training.
This is a fun little project to build a 1 watt QRP CW transceiver. The kit is well designed and the build instructions are easy to follow. The case is well made and fits like a glove. It comes with two crystals so you can choose which frequency you would like to transmit on. I now have an inexpensive unit to practice my CW skills. It is surely a low cost tool to help you learn morse code. 73 W4WQC.
D**S
Fun little project
Bought as just a little project to practice my soldering skills. Straight forward project which actually worked upon completion.
J**P
Fun Little Radio! Perfect for All Levels!
Built this radio for fun, for soldering practice, and for experimentation. Mine came with a frosted plastic case, see pictures. The radio is very sensitive, but selectively is not great. Local AM broadcast stations do sometimes bleed into this radio no problem. However I was able to hear CW signals though not in tune with my radio. My Pixie transmits on 7.0490.90 MHz. Best way to make contact is to toss out your callsign and wait to see if a hunter can tune into your signal. I recommend powering the radio with a battery. Noise from a AC power supply will bleed into the audio output. Another recommendation is to leave the buzzer covered with its sticker to reduce noise. The buzzer is quite loud and bothering when transmitting.
R**S
Impressive!
Press the button and it goes beep! Not too bad to assemble.
Trustpilot
2 days ago
1 month ago