Model: 8SFB200-2500-CD-SFF-DI-DA-HS
Model 8SFB200-2500-CD-SFF-DI-DA-HS is a a eight channel switch filter bank. This model has dual inputs and eight filter channels that cover the frequency range of 200MHz to 2.5GHz. Both RF inputs feature a step attenuator for input level adjustments. The attenuators have a total range of 30dB in 10dB steps. This model includes an integral TTL driver and offers fast switching speeds of less than 1usec.
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Specifications:
| Number of Filter Channels | 8 Channels |
| Channel 1 Specifications: | |
| Channel 1Passband | 200 to 300MHz |
| Channel 1 Rejection | -60dBc min. @ 400 to 3000MHz |
| Channel 2 Specifications: | |
| Channel 2 Passband | 290 to 400MHz |
| Channel 2 Rejection | -60dBc min. @ 500 to 3000MHz |
| Channel 3 Specifications: | |
| Channel 3 Passband | 390 to 600MHz |
| Channel 3 Rejection | -60dBc min. @ 800 to 3000MHz |
| Channel 4 Specifications: | |
| Channel 4 Passband | 590 to 800MHz |
| Channel 4 Rejection | -60dBc min. @ 1000 to 3000MHz |
| Channel 5 Specifications: | |
| Channel 5 Passband | 790 to 1000MHz |
| Channel 5 Rejection | -60dBc min. @ 1400 to 3000MHz |
| Channel 6 Specifications: | |
| Channel 6 Passband | 1000 to 1500MHz |
| Channel 6 Rejection | -60dBc min. @ 1900 to 4000MHz |
| Channel 7 Specifications: | |
| Channel 7 Passband | 1490 to 2000MHz |
| Channel 7 Rejection | -60dBc min. @ 2500 to 5000MHz |
| Channel 8 Specifications: | |
| Channel 8Passband | 1990 to 2500MHz |
| Channel 8 Rejection | -60dBc min. @ 3000 to 6000MHz |
| Common Specifications: | |
| Insertion Loss | 8.5dB max. |
| Isolation: | 70dB min. |
| VSWR | 2.0:1 max. |
| Switching Speed | 1usec max. |
| Control | 12 Line TTL |
| RF Power Rating | +27dBm CW max. |
| Power Supply | +5VDC max. -5VDC max. |
| Connectors | SMA(F) |
| Size | 6.3"L x 3.93"W x 0.88"H |
| Additional Features: | |
| Dual Input Channels Featuring Input Attenuator for level adjustment. | 0 to 30dB Attenuation (10dB per Step) |
Environmental Ratings:
| Temperature: | -40ºC to +85 ºC Operating |
| -40 ºC to +100 ºC Non-Operating | |
| Humidity: | MIL-STD-202F, Method 103B Cond. B |
| Shock: | MIL-STD-202F, Method 213B Cond. B |
| Vibration: | MIL-STD-202F, Method 204D Cond. B |
| Altitude: | MIL-STD-202F, Method 105C Cond. B |
| Temperature Cycle: | MIL-STD-202F, Method 107D Cond. A |
TTL Filter Band Control Logic:
| Frequency Band | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 |
| 200 to 300MHz | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 290 to 400MHz | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| 390 to 600MHz | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
| 590 to 800MHz | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
| 790 to 1000MHz | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 |
| 1000 to 1500MHz | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 1490 to 2000MHz | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| 1990 to 2500MHz | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
TTL Control Logic - RF Input 1 - Attenuator Control:
| Band 1 Attenuation | T9 | T10 |
| Insertion Loss | 0 | 0 |
| -10dB | 0 | 1 |
| -20dB | 1 | 0 |
| -30dB | 1 | 1 |
TTL Control Logic - RF Input 2 - Attenuator Control:
| Band 2 Attenuation | T11 | T12 |
| Insertion Loss | 0 | 0 |
| -10dB | 0 | 1 |
| -20dB | 1 | 0 |
| -30dB | 1 | 1 |
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