Tunable Filters
- Details
- Last Updated on Tuesday, 27 December 2011 15:33
Our mechanically tunable bandpass and bandstop filters come in many version. At frequencies below 6 GHz, they are typically coupled coaxial cavities with a mechanically movable tuning spindle. Above 6 GHz, most units are coupled cylindrical cavities operating in a waveguide mode. Tuning is accomplished with a movable plunger. Most units are gang-tuned, gear coupled to a common shaft. Filters can be provided with direct-reading tape readouts, micrometers or calibration charts. Some coaxial units are available which tune with constant passband width.
Typical specifications are:
- Type: Bandpass: 4 pole, coaxial
- Tuning range: 4.4-5.0 GHz
- Passband width: 30 MHz nominal
- Passband loss: 2dB max at center frequency
- Readout type: Direct tape
Dual Bandpass / Notch Filters
- Details
- Last Updated on Friday, 21 September 2018 08:14
NOTE THIS FILTER (5091T) IS REPLACED BY 90711A-3 & 90711A-3C
The 5091T provides Notch Filtering of 1030 and 1090 Mhz for IPF protection and in a parallel path provides dual 1030 and 1090 Mhz Bandpass outputs for IPF monitoring and processing.
NOTCH CHARACTERISTICS BANDPASS CHARACTERISTICS
| Notch (MHz) | NOTCH
REJECTION |
VSWR | PASSBANDS
(-3 dB) |
LOSS (dB) | PASSBAND
REJECTION |
VSWR |
| 1030+/-7 | 15 dBc | 1.8:1 | 1030+/-7 | 10 dB | -70 dBc @
Fo+/- 20 MHz |
1.8:1 |
| 1090+/-7 |
Insertion loss in the passbands (962-1099, 1052.5-1065, and 1112-1220 Mhz) is 2.0 dB Max (0.7 dB Typ).
VSWR is 1.8:1 Max. Group delay is 20 Nanosec Max.
The 50941T is 5.6 x 3.3 x 0.63” in size excluding connectors. It is designed for 250 Watt operation to 70,000 Ft. (21,340M) and temperatures of -30ºC to +65ºC.
Power Amplifiers
- Details
- Last Updated on Friday, 23 September 2011 16:23
Robust, Modular, Reliable & Cost Effective
Click here to view the brochure.
Overview
RS Microwave has been manufacturing power amplifiers encompassing the RF frequency range 10 MHz to 5 GHz, since 1991. We have developed these KW power level amplifiers for our exclusive in-house use. These rugged amplifiers are used to production-test filters in various operating environments, including temperature-altitude and thermal vacuum. Unconditional stability is standard, with reliable operation over thousands of hours as required in a production environment. RS Microwave production filters are fully tested to meet all specifications, thus ensuring that filters specified at high power will never be returned due to high-power failures. High power testing guarantees “no field failures”. We are now making these amplifiers available to others wishing to perform reliable and cost-effective RF power tests.
Applications
- Land Mobile Communications
- Military Communications
- Avionics
- Telecommunications
- Radar
- Linear (limited)
Specifications
| Freq (MHz) | Power (Watts) | Volts (DC) | Current (Amps) | Efficiency (%) | Gain (dB) | |
| CW | Pulsed/DC | |||||
| 2-32 | 300 | 50 | 12 | 50 | 36 | |
| 32-200 | 200 | 50 | 8 | 50 | 36 | |
| 400 | 50 | 16 | 50 | 36 | ||
| 225-400 | 150 | 28 | 15 | 37 | 50 | |
| 300 | 28 | 28.5 | 38 | 50 | ||
| 450 | 28 | 36 | 45 | 40 | ||
| 400-500 | 1000 | 28 | 108.5 | 33 | 40 | |
| 500-900 | 150 | 28 | 13.5 | 40 | 40 | |
| 960-1215 | 450/10% | 28 | 3.5 | 50 | 55 | |
| 900/10% | 28 | 6 | 55 | 55 | ||
| 1350/10% | 28 | 9 | 55 | 58 | ||
| 1030-1090 | 65/2% | 28 | 0.1 | 50 | 60 | |
| 250/2% | 28 | 0.5 | 55 | 60 | ||
| 500/2% | 28 | 1 | 55 | 60 | ||
| 1350/2% | 28 | 2 | 55 | 60 | ||
| 1200-1400 | 250/10% | 28 | 2 | 50 | 50 | |
| 500/10% | 28 | 3.5 | 52 | 50 | ||
| 2100-2700 | 28 | 5.5 | 45 | 28 | ||
| 28 | 10 | 45 | 32 | |||
| 28 | 16 | 45 | 32 | |||
| 2700-3100 | 120/10% | 28 | 1 | 45 | 26 | |
| 240/10% | 28 | 2 | 45 | 29 | ||
| 350/10% | 28 | 3 | 46 | 32 | ||
| 3100-3500 | 120/10% | 28 | 1.5 | 40 | 40 | |
| 240/10% | 28 | 2.5 | 40 | 40 | ||
| 350/10% | 28 | 3.5 | 40 | 42 | ||
| 3400-3900 | 25 | 28 | 2.5 | 40 | 22 | |
| 50 | 28 | 4.5 | 40 | 25 | ||
| 80 | 28 | 7.5 | 40 | 30 | ||
| 3700-4200 | 25 | 28 | 2.5 | 38 | 29 | |
| 50 | 28 | 5 | 35 | 32 | ||
| 80 | 28 | 8.5 | 35 | 32 | ||
| 4400-5000 | 25 | 10 | 7.5 | 35 | 30 | |
| 50 | 10 | 14.5 | 35 | 33 | ||
| 80 | 10 | 23 | 35 | 36 | ||
| 5000-5300 | 25 | 10 | 7.5 | 35 | 27 | |
| 50 | 10 | 14.5 | 35 | 32 | ||
| 80 | 10 | 23 | 35 | 36 | ||
| 5300-5900 | 25 | 10 | 7.5 | 35 | 27 | |
| 50 | 10 | 14.5 | 35 | 30 | ||
| 80 | 10 | 23 | 35 | 33 | ||
Switched Filters
- Details
- Last Updated on Tuesday, 27 December 2011 15:38
** Control EMC Problems Dynamically
** Pin Diode Switches
**Selective Filtering of JTIDS/TACAN/IFF Transmissions
** 250 WATTS Peak Power
** Compact Airborne Assemblies
** TTL or Custom Switching Logic Available
** 2 Microsec Switching Time
RS Microwave produces airborne switchable Notch Filters that permit selective switching of 1030 Mhz Notch filters in and out of a transmit path on a pulse by pulse basis to eliminate interference between TACAN, IFF and JTIDS transmissions. All contain integral drivers.
| Part No. | Notch Band (MHz) | REJECTION (dB) | GROUP DELAY | SWITCHING LOGIC | PRIME
POWER |
Size (Inches) |
| 32401-3 | 1030±7 | 35 | 60 Nanosec | TTL | -50 VDC | 8.24 x 4.45 x 2.00 |
| 32401-6 | 1030±7 | 45 | 60 Nanosec | 12V/0V | +28 VDC | 7.25 x 5.50 x 2.18 |
| 50703-1 | 1030±7 | 35 | 60 Nanosec | TTL | +28VDC | 6.00 x 2.00 x 1.60 |
50703-1 uses a ceramic dielectric.
Drop-in Filters
These are typically arrays of “drop-in” filters, pre- and post-selected by PIN diode switch modules. Such switched filter packages may contain TTL compatible drivers or BCD decoders.
Representative specifications are:
-
Package passband: 2-4 GHz
-
Filter passbands: 1/6 of package passband
-
Channel loss: 5 db, including input/output switching Switching time: 50 ns
-
RF power: 0 dBm
Multiplexers
- Details
- Last Updated on Wednesday, 10 October 2012 13:37
As described in the proceding technical section, multiplexers are primarily custom devices. Some typical diplexers are tabulated below:
| Part Number | Passbands (MHz) | Stopband | Size |
| 64001 | 1078-1102
1015-1045 (0.8 db max) |
-60db, 225-1035
-60db,1150-300 |
9.25 x 2.9 x 1.9 |
| 4075001 | 7958-8042 (4dB max)
1958-2042 (3.2 db max) |
-60 dB interchannel and to 18 GHz | 2 x 1 x 0.6 |
| 3413001 | 18-26 GHz
26-40 GHz (1.5 db max. 6 dB at crossover) |
-30 dB 3 GHz from any bandedge | 2 x 2 x 1, WRD180 |
| 60101 | 1452-1472
2262-2282 (1.3 db max) |
-60 dB interchannel | 4 x 1.4 x 0.5 |
| 65001 | 1 - 2 GHz
2 - 4 GHz (1 dB max.) 4.5 dB at crossover |
-50 dB 10% from any bandedge | 3 x 3 x 0.5 |
| 1300001 | 1700-1800
2200-2300 (1 dB max) |
-45 dB interchannel | 6 x 2 x 0.5 |
| 66001 | 2 - 3.9 GHz
3.9 - 6 GHz (1.5 dB max) 5.5 dB at crossover |
-40 dB 15% from any bandedge | 2.5 x 2 x 0.5 |
| 10511-2 | 12,000 - 14,650 15,300 - 17,700 1.2 dB, 5 dB at crossover |
-50 dB interchannel isolation | 3.1 x 0.9 x 0.5 |
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