1217-A: Difference between revisions
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{{GR Product | |||
|model=1217-A | |model=1217-A | ||
|codes=AMASS | |||
|class=generator | |class=generator | ||
|summary=Unit Pulser | |summary=Unit Pulser | ||
| Line 15: | Line 16: | ||
The {{Title|General Radio 1217-A Unit Pulser}} was introduced in {{Catalog N}} and remained available through {{Catalog Q}}. | The {{Title|General Radio 1217-A Unit Pulser}} was introduced in {{Catalog N}} and remained available through {{Catalog Q}}. | ||
The 1217-A is a general purpose unit type pulse generator. It uses internal or external drive to trigger the internally generated pulses. Below 100 Hz | The 1217-A is a general-purpose unit type pulse generator. It uses internal or external drive to trigger the internally generated pulses. | ||
Below 100 Hz, trigger drive is derived for the power mains, at 100 Hz and above an internal oscillator is used. | |||
Pulse duration is continuously adjustable from 0.2 μs to 60 ms in five ranges. | |||
Negative- and positive-going pulses are available from separate front panel binding posts. | |||
As a [[Unit instruments|unit instrument]], it requires an external power supply, the Type [[1203-A]] is recommended. | |||
==Specifications== | ==Specifications== | ||
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==Links== | ==Links== | ||
* [[Media: | |||
* [[Media:GRwiki Experimenter 1217-A 03_1954.pdf|Experimenter March 1954 describing Type 1217-A]] | |||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 1217-A Front.jpg | |||
GR 1217-A Left.jpg | |||
GR 1217-A Rear.jpg | |||
GR 1217-A Inside Rear Cover A.jpg | |||
GR 1217-A Right.jpg | |||
GR 1217-A Inside Top.jpg | |||
GR 1217-A Inside Rear A.jpg | |||
GR 1217-A Inside Rear B.jpg | |||
GR 1217-A Inside Rear C.jpg | |||
GR 1217-A Bottom.jpg | |||
</gallery> | </gallery> | ||
Latest revision as of 22:50, 30 April 2024
The General Radio 1217-A Unit Pulser was introduced in Catalog N (1954) and remained available through Catalog Q (1961).
The 1217-A is a general-purpose unit type pulse generator. It uses internal or external drive to trigger the internally generated pulses. Below 100 Hz, trigger drive is derived for the power mains, at 100 Hz and above an internal oscillator is used.
Pulse duration is continuously adjustable from 0.2 μs to 60 ms in five ranges. Negative- and positive-going pulses are available from separate front panel binding posts. As a unit instrument, it requires an external power supply, the Type 1203-A is recommended.
Specifications
- Pulse Repetition Rate: 30 Hz, 60 Hz, synchronized to power line; 100 Hz to 100 kHz ±15%
- Duration: Continuous in four ranges 0.2 μs to 60 ms Accuracy ±15% or 0.2 μs, whichever is greater
- Rise Times: Rise time 0.05 μs
- Fall Times: Fall time 0.15 μs with output terminals shunted by 15 pF and 1 MΩ
- Open Circuit Output Voltage: 20 V
- Output Impedance: Approximately 200 Ω for positive pulses and 1500 Ω for negative pulses
