ADF4351 Signal source VFO Frequency Oscillator 35mhz-4000mhz Digital display

Description

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35MHz-4000MHz RF signal generator signal source ADF4351 VFO HXY D6 V1.02
specification:
- Power supply voltage: DC 4.5V-5.5V
- Standby current: - Emission current: - Output impedance: 50 ohms
- Output frequency range: 35MHz-4000MHz
- Output step: 1KHz-8KHz
- Output power: -1dBm(W)@ 150MHZ (test power absolute value) approx. 1 mW
feature:
- Simple RF source signal generator
- Core components: avr mega8 microcontroller, cost-effective single chip, is a low-key version of the commonly used m16. There is a 2.56V regulated source in the peripheral ADC, which is not available in other mid-range microcontrollers.
- Adf4351: Traditional VCO + PLL + 6 series high speed bistable circuit. The output is obtained by frequency division, and the output is a square wave. The amplitude of the fundamental wave does not change much.
- This product is based on single-chip microcomputer, which greatly simplifies the design, shortens development time and saves costs. It provides a signal source for the AC channel of the device under test and analyzes the frequency-amplitude characteristics of the AC channel. Please pay attention to the impedance of the measuring device.
more details:
1) The operating keyboard of the product has 15 ppt keys, 0?9?19 numeric keys, 10 "++" and "-" keys to adjust the frequency of use, and also produces emission output behavior, short press "++" Or "-" key step will add 1khz or minus 1khz to the original frequency output. Pressing "++" or "-" for more than 1 second will result in a continuous or continuous subtraction scan mode.
2) The step is 35hhz? 9?1138mhz 1khz; the 138mhz step is 10khz at ?9?1550mhz and 100khz at 550mhz?9?14000mhz. To end the scan, simply press the "++" "-" button or the "OK" button.
3) The "OK" button is the output control button. Press again to stop the transmission. The transmission behavior caused by "++" or "-" needs to end the transmission by pressing "OK" twice. The product will display " >>" in the upper right corner. When the output emission behavior occurs, the “C” key will terminate the transmission with a frequency of zero.
4) Step “” key for continuous continuous subtraction scan mode for easy adjustment. Cycle selection steps “1K”, “10K”, “100K”, “1M”, although not very useful, but also small Improvement, the original V1.01 board can be improved by soldering a 3.3k resistor and a PPT touch button on the hole on the keyboard (compared to the keyboard board diagram, it is very simple), then, buy AVR ISP download on Taobao The line is downloaded at the bottom of the new MCU, with a new base source code and a .hex file on the network disk. The fuse position C9EF is correct.
5) By pressing the “” button, the new bottom LCD1602 powers up by default to the “” step indicator. Four types of step states can be executed cyclically.
Package Included:
1 x simple RF source generator
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