PIC16F84 LED DISPLAY FREQUENCY COUNTER CIRCUIT

LED 6 digit display for rig frequency counter -Just as it may seem at frequency display of rig, and produced a dot LED-PD4435 counter, and make use of this in the future, and that the “sold out, there is… Electronics Projects, PIC16F84 LED Display Frequency Counter Circuit “microchip projects, microcontroller projects, pic16f84 projects,

PIC16F84 LED DISPLAY FREQUENCY COUNTER CIRCUIT

LED 6 digit display for rig frequency counter -Just as it may seem at frequency display of rig, and produced a dot LED-PD4435 counter, and make use of this in the future, and that the “sold out, there is no plan of the re-arrival” and. To give up this, I made a 6-digit display using the 7-segment LED.

7 segment LED 6-digit precision TCXO 12.8MHz (1ppm), PIC16F84 with 1MHz ~ 300MHz (400MHz) IF offset frequency counter. TD7104P (Prescaler ÷ 8, ÷ 1) +2 SC1906 later in the preamp, PIC 16F84A-P20 count, LED display TC4511 drivers. Left; 144.90MHz handy 200mW transmission. ANT of the counter, lead 5cm yellow alignment there. And Central; 7,649.1 kHz SG signal. Minimum digit 100Hz. Zero blank function put, unnatural 0 of top disappear. And right; at 33.1688MHz, it is not. 433.17MHz handy 200mW transmission.

PIC16F84 FREQUENCY COUNTER PROJECT

PIC16F84 FREQUENCY COUNTER PROJECT

The first stage prescaler counter TD7104P (÷ 8). Single power of PIC16F84A-P20 is, 433.17 ÷ 8 = 54.14MHz. However, close to 10kHz stand, display varies the limit. Only minutes to display low 1.2kHz, you’re counting mistake. If shaped by CMOS-TTL input waveforms of PIC, and extends to 60MHz or more probably.

Source: saturn.dti.ne.jp PIC16F84 LED Display Frequency Counter Circuit schematic pic assembly source code files alternative link:

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