| Internal of noise meter On the right side : 2 stages of RF Amps and Band Pass Filter In the centre: AD8307 board, Expander Board and Resistance board On the left side: Power supply circuitry +12V and -12V regulated |
| Internal of noise meter On the right side : 2 stages of RF Amps and Band Pass Filter In the centre: AD8307 board, Expander Board and Resistance board On the left side: Power supply circuitry +12V and -12V regulated |