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1217-C: Difference between revisions
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The {{Title|General Radio 1217-C Unit Pulse Generator}} was introduced in {{Catalog S}} and remained available through {{Catalog 1973}}. | The {{Title|General Radio 1217-C Unit Pulse Generator}} was introduced in {{Catalog S}} and remained available through {{Catalog 1973}}. | ||
Type 1217-C is a general-purpose [[unit instruments|unit type]] pulse generator, an improved version of Type [[1217-B]] with increased pulse repetition frequency and faster transition times to less than 10 ns. | |||
The 1217-C features a 1.2 MHz PRF internally which doubles to 2.4 MHz with external drive. Other features are front-panel outputs for positive- and negative-going pulses with variable amplitude control. | |||
Pulse duration is continuously variable from 0.1 μs to 1 s in seven ranges. Front panel synchronizing outputs are available for triggering external devices. | |||
The [[1217-P2|1217-P2 Pulse Trigger accessory]] was available for single pulse triggering. | |||
Recommended power supplies are Types [[1201-C]] and [[1203-B]]. | |||
==Specifications== | ==Specifications== | ||
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* '''PULSE REPETITION RATE''' | * '''PULSE REPETITION RATE''' | ||
* '''Internally Generated:''' 2.5 Hz to 1.2 MHz, ±5% | * '''Internally Generated:''' 2.5 Hz to 1.2 MHz, ±5% | ||
* '''Externally Controlled:''' dc to 2.4 MHz with | * '''Externally Controlled:''' dc to 2.4 MHz with 1 V<sub>RMS</sub> input, (0.5 V at 1 MHz and lower) | ||
* '''OUTPUT PULSE CHARACTERISTICS''' | * '''OUTPUT PULSE CHARACTERISTICS''' | ||
* '''Duration:''' 100 ns to 1 s in 7 decade ranges, ±5% of reading or ±2% of full scale or ±35 ns, whichever is greater | * '''Duration:''' 100 ns to 1 s in 7 decade ranges, ±5% of reading or ±2% of full scale or ±35 ns, whichever is greater | ||
* '''Rise and Fall Times:''' Less than 10 ns into 50 or 100 Ω; typically 60 ns + 2 ns/pF external load capacitance into 1 kΩ (40 V). | * '''Rise and Fall Times:''' Less than 10 ns into 50 or 100 Ω; typically 60 ns + 2 ns/pF external load capacitance into 1 kΩ (40 V). | ||