user:kurser:ham_vt2023_l3
Differences
This shows you the differences between two versions of the page.
Next revision | Previous revision | ||
user:kurser:ham_vt2023_l3 [2023/01/03 17:38] – created ETA313-03 user | user:kurser:ham_vt2023_l3 [2024/02/13 18:07] (current) – user | ||
---|---|---|---|
Line 1: | Line 1: | ||
=====ETA313-03: | =====ETA313-03: | ||
- | Recommended reading: KonCEPT page 84-144 (chapter 3) | + | [[user: |
+ | |||
+ | **Recommended reading: KonCEPT page 84-144 (chapter 3)** | ||
+ | |||
+ | Draw a superheterodyne TRX on the black board. Including antennas and propagation. | ||
+ | |||
+ | Explain from TX to RX | ||
+ | * DAC which stands for Digital to Analog converter. | ||
+ | * Audio BW: 300-3000 Hz | ||
+ | * Pulse shape filter (LP) | ||
+ | * Show other filter symbols | ||
+ | * Mixer -> BP filter | ||
+ | * Oscillator | ||
+ | * Amplifier | ||
+ | * Mixer -> BP filter | ||
+ | * Oscillator + Frequency multiplier | ||
+ | * Power amplifier (PA) | ||
+ | * Antenna | ||
+ | |||
+ | |||
+ | * Antenna | ||
+ | * Low noise amplifier | ||
+ | * The rest of the superheterodyne receiver | ||
+ | * ADC which stands for Analog to Digital converter | ||
+ | |||
+ | Explain what is heterodyne/ | ||
+ | |||
+ | Direct converting (DDS) radio and direct sampling. | ||
+ | |||
+ | Mention the SDR lab. Ask if people can bring own SDR or radios. | ||
+ | |||
+ | https:// |
user/kurser/ham_vt2023_l3.1672767508.txt.gz · Last modified: 2023/01/03 17:38 by user