|
CV1949 argon thyratron
/ RF noise source
| The valve measures 53x17mm
overall and has a B7G base. |
| Heater voltage |
6.3V |
| Heater current |
250mA |
| Max DC supply anode voltage |
250V |
| Peak forward anode voltage |
350V |
| Peak inverse anode voltage |
350V |
| Max DC grid voltage |
-150V |
| Peak DC anode current |
110mA |
| Max DC anode current |
25mA |
| Max heater-cathode voltage |
-110V |
| Max cathode heating time |
30 secs |
| Max duty cycle |
0.75% |
| Max ambient operating
temperature |
-55 to +90 C |
| Pin |
Function |
| 1 |
Grid |
| 2 |
n/c |
| 3 |
Heater |
| 4 |
Heater |
| 5 |
Cathode |
| 6 |
n/c |
| 7 |
Anode |
Although this thyratron can be
used normally, it is more famous for its use as an RF noise source. With
the valve mounted in a magnetic field arranged such that the electron
beam is deflected towards the top of the valve - with magnetic north at
pin 7 - the following test data is specified:
| Frequency,
MHz |
Min. noise
voltage, µV, RMS |
| 0.1 |
10,000 |
| 0.2 |
14,000 |
| 0.5 |
25,000 |
| 1.0 |
22,000 |
| 2.0 |
7,000 |
| 5.0 |
500 |
| 10.0 |
70 |
|
|
