Components qualified / Qualification under progress
Some of the indigenisation efforts by SAC with the help of industry were done/under process are:
| Name of Component and Industry | Component | Major Specifications |
| CRYSTAL FILTER M/s Andhra Electronics, Kakinada |
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Frequency: 21.4MHz 71.70 MHz 1dB Bandwidth: ±1.25 KHz min ±5 KHz min 3dB Bandwidth: ±2.0 KHz max ±12.5 KHz max Spurious: Better than 45dB Better than 40dB Stop Band Attenuaton: ≥40dB ≥40 dB (Fc ± 10 KHz) (Fc ± 100 KHz) Operating temperature: -15 to +65º C Mounting (PCB): 4 studs of M2.5 RF - Input and Output: SFT Header |
| Oven Controlled Crystal Oscillator (OCXO) M/s Centum, Bengaluru |
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Output Frequency : less than 128.2975 MHz Frequency Stability : 10 ppb OTR Output Power at 25°C : 7.5 dBm (Nominal) Phase Noise @ 100KHz : less than -140dBc / Hz Spurious: less than -100 dBc Operating temperature : -10 to +60º C |
| Temp. Compensated Crystal Oscillator (TCXO) M/s Centum, Bengaluru |
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Frequency output : 5.5 MHz to 375 MHz Out put power : +7 dBm Frequency Stability : ± 1 ppm Short Term Stability: 1 x 10 -9 / second Phase Noise: -145 dBc /Hz @ 10 kHz offset Package: Hermetic seal 24pin DIL PCB mountable Operating Temp. : -15°C to +60°C |
| Glass Encapsulated THERMISTOR M/s Thakarsons, Pune |
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Thermistor type: NTC Body Finish : Glass encapsulated Resistance Range @ 25˚C : 500 Ω to 1.2 MΩ Tolerance @ 25˚C: +/- 3% (for < 1.2 MΩ) +/- 5% (for 1.2 MΩ) Power Rating: 5 mW Package Style: Axial Leaded Operating Temp. : -55˚C to + 150˚C |
| RESISTERS NETWORK (DIL and Flat Pack) M/s KHMDL, Bengaluru |
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Complied to: MIL-PRF-83401H Resistance Value: 100Ω to 1 MΩ ( ± 2%) Power Rating: 125mW ( < 1M Ω) 100mW ( ≥ 1M Ω) TCR: ±100 ppm / °C Operating Temp.: -55˚C to + 125˚C |
| SFT HEADER M/s Cera Seals, Bengaluru |
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Material: Body-EN1A Pin : Alloy 52, Glass – SO5 Plating: 8 - 10 micron solder plating with Ni under coat Insulation resistance : >500 MΩ DWV: >500 V |
| CABLE TIES M/s Microsign Product, Bhavnagar |
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Material : Nylon 6/6 Op. temperature : -40°C to +85°C Complying Radiation Test : 100 Krad (Si) Confirming to : MIL-S-23190E |
| PRE SELECT FILTERS M/s BEL, Bengaluru |
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Freq Band : C and Ku-band Insertion loss at CF : 0.5 dB Full band Flatness : 0.6 dB Input/Output Return Loss: 17 dB Rejection : ≥ 80dB at 4750 MHz Temp. range : -15°C to +55°C I/P – O/P Port : WR – 159 (C band) WR – 75 (Ku band) |