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234 [2007/02/13 20:19] n5na created |
234 [2011/12/14 20:38] n1eu [Mods, Fixes, & Additional Info] |
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====== Speech Processor Model 234 ====== | ====== Speech Processor Model 234 ====== | ||
- | {{234.jpg?150|}} | + | {{234.jpg?150|}}{{234rear.jpg?150|}} |
===== Description ===== | ===== Description ===== | ||
Extends operating range of ssb transmitters under adverse and low propagation conditions. Converts audio signal into ssb signal, clips and processes it through 4-pole monolithic filter for greater average envelope power and converts signal back into audio. Adjustable levels of processing and output plus disable switch and passband adjustment. Powered through the CORSAIR system or by calculator type plug-in AC adapter which supplies 12 VDC @ 75 mA. | Extends operating range of ssb transmitters under adverse and low propagation conditions. Converts audio signal into ssb signal, clips and processes it through 4-pole monolithic filter for greater average envelope power and converts signal back into audio. Adjustable levels of processing and output plus disable switch and passband adjustment. Powered through the CORSAIR system or by calculator type plug-in AC adapter which supplies 12 VDC @ 75 mA. | ||
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+ | ===== Mods, Fixes, & Additional Info ===== | ||
+ | *[[234align|Alignment Procedure for 234 Speech Processor]] | ||
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+ | ===== Specifications ===== | ||
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+ | ***Power Requirements:** 11 - 16 VDC @ 75 mA | ||
+ | ***Microphone Channel Input Impedance:** 500 k | ||
+ | ***Operating Input Level:** 25 mV | ||
+ | ***Maximum Output Level:** A.) No Processing - 400 mV, B.) Full Processing - 75 mV | ||
+ | ***Minimum Input for Full Processing:** 5 mV | ||
+ | ***Controls:** PROCESS GAIN; PASSBAND ADJ.; IN-OUT SWITCH | ||
+ | ***Simiconductors:** 2 ICs; 10 Transistors; 5 Diodes | ||
+ | ***Filters:** 2 Four Pole Monolithic | ||
+ | ***Size HWD:** 2.5" x 4.375" x 7.625" | ||
+ | ***Weight:** 1 lb, 5 oz. |