diff --git a/Src/main.c b/Src/main.c
index 50dd2e2..0eadeca 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -425,7 +425,7 @@ int main(void)
 
 
 						HAL_TIM_PWM_Stop(&htim11, TIM_CHANNEL_1); //start modulating by Mach-Zander modulator
-						HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_3); //start modulating by Mach-Zander modulator
+						HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_3); //start ADC clock
 						TIM11 -> CR1 &= ~(1 << 3); //disables one-pulse mode
 						TIM4 -> CR1 &= ~(1 << 3); //disables one-pulse mode
 
@@ -435,7 +435,13 @@ int main(void)
 						TIM4 -> CNT = 0;
 
 						HAL_TIM_PWM_Start(&htim11, TIM_CHANNEL_1); //start modulating by Mach-Zander modulator
-						HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_3); //start modulating by Mach-Zander modulator
+						HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_3); //start ADC clock
+						//TIM4 -> CNT = 0;
+
+						TIM4 -> CNT = TIM4 -> ARR - 20; // not zero to make phase shift that will be robust to big delay in RF subsystem (up to ~400 ns)
+						TIM11 -> CNT = 0;
+
+
 						while (task.current_param < task.max_param)
 						{
 							if (TIM10_coflag)
@@ -485,7 +491,7 @@ int main(void)
 						//but one-pulse mode should be disabled
 
 						//HAL_TIM_PWM_Stop(&htim11, TIM_CHANNEL_1); //start modulating by Mach-Zander modulator
-						//HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_3); //start modulating by Mach-Zander modulator
+						//HAL_TIM_PWM_Stop(&htim4, TIM_CHANNEL_3); //start ADC clock
 
 
 
diff --git a/Src/stm32f7xx_it.c b/Src/stm32f7xx_it.c
index 87e5988..7460297 100644
--- a/Src/stm32f7xx_it.c
+++ b/Src/stm32f7xx_it.c
@@ -247,8 +247,8 @@ void TIM1_UP_TIM10_IRQHandler(void)
 void TIM1_TRG_COM_TIM11_IRQHandler(void)
 {
   /* USER CODE BEGIN TIM1_TRG_COM_TIM11_IRQn 0 */
-	TIM11 -> CR1 |= 1 << 3; //sets timer to one-pulse mode. So it will turn off at the next UpdateEvent
-	TIM4 -> CR1 |= 1 << 3; //sets timer to one-pulse mode. So it will turn off at the next UpdateEvent
+	TIM11 -> CR1 |= 1 << 3; //sets timer to one-pulse mode. So it will turn off at the next UpdateEvent (Mach-Zander)
+	TIM4 -> CR1 |= 1 << 3; //sets timer to one-pulse mode. So it will turn off at the next UpdateEvent (ADC clock)
 	TIM11 -> DIER &= ~(1); //disable interrupt
   /* USER CODE END TIM1_TRG_COM_TIM11_IRQn 0 */
   HAL_TIM_IRQHandler(&htim11);