PIN Limiter Diodes
Overview
Microsemi offers PIN Limiter Diodes in ceramic and surface mount page options, including SOT23, GigaMite and MMSM packages.The GC4700 series ceramic packaged diodes are specially processed PIN diodes designed for use in passive or active limiters at frequencies through Ku band. Thirteen categories of devices are offered for flexibility in design of low, medium and high power limiters. Low VB limiters have thinner I regions for faster turn-on time and better flat leakage. Microsemi also manufactures “gold doped” limiters for fastest turn on time. In addition, we manufacture high voltage dual junction limiters for superior peak and CW power handling.
The GML4701-GM1 is specifically designed for high volume surface mount applications. The GigaMite design is optimized for improved electrical and thermal performance over standard plastic package technology. The result is higher frequency coverage and better power handling than comparable plastic packages. Product parameters have been optimized limiter applications. The Gigamite package parasitics provide smooth non-resonant functionality through 5Ghz. Microsemi utilizes high quality dielectric materials resulting in low loss and broadband performance.
The MPL4700 Series utilize the new and unique MMSM technology. MMSM provides package/device integration at the wafer fabrication level. Since the cathode and anode interconnections utilize precision photolitographic techniques rather than wire bonds, parasitic package inductance is tightly controlled. The package parasitics provide smooth non-resonant functionality through X band.
All limiter series of diodes meets RoHS requirements per EU Directive 2002/95/EC.
Limiter PIN Diode Features
- Available as packaged devices or as chips for hybrid applications
- Low Loss
- Low parasitics
- Suitable for applications to X band
- Excellent flat leakage performance
- Low 1 dB compression point
- Gold Doped Diodes for Fast Turn On on GC4700
- RoHS Compliant
Selection Table
Ceramic Packages
| Part Number | Vb (Min) | PEAK POWER PIN @1uS (dBm) | TYPICAL LEAKAGE Pout (dBm) | TYPICAL THRESHOLD (dBm) | TYPICAL INS. LOSS IL (dB) | MAXIMUM CW POWER (Watts) |
| GC4701 | 20 | 50 | 22 | 10 | 0.1 | 2 |
| GC4702 | 20 | 53 | 24 | 10 | 0.2 | 3 |
| GC4711 | 45 | 53 | 27 | 15 | 0.1 | 3 |
| GC4712 | 45 | 56 | 29 | 15 | 0.2 | 4 |
| GC4713 | 45 | 59 | 31 | 15 | 0.2 | 5 |
| GC4721 | 120 | 60 | 39 | 20 | 0.1 | 5 |
| GC4722 | 120 | 63 | 41 | 20 | 0.2 | 10 |
| GC4723 | 120 | 66 | 44 | 20 | 0.2 | 15 |
| GC4731 | 15 | 47 | 19 | 7 | 0.1 | 2 |
| GC4732 | 15 | 50 | 22 | 4 | 0.1 | 3 |
| GC4741 | 30 | 47 | 24 | 12 | 0.1 | 3 |
| GC4742 | 30 | 50 | 27 | 12 | 0.1 | 4 |
| GC4750 | 250 | 56@10uS | 44 | 31 | 0.2 | 50 |
Surface-Mount Packages
| Model Number | Package Style | PIN(dBm) @1us | VB(V) IR=10μA (Min) | CT (pF) @10V (Max) |
RS (Ω) @1mA (Typ) |
RS (Ω) @10mA (Max) | VF If = 100μA (Min) | VF If = 100mA (Max) | TL (Typ) |
| MPL4700 | MMSM-206 | 25 | 0.15 | 4 | 2 | - | - | 20 | |
| MPL4701 | MMSM-206 | 15 | 0.2 | 6 | 2.5 | - | - | 10 | |
| MPL4702 | MMSM-406 | 50b | 3 | 12 | 2 | 0.45 | 1 | 30 | |
| MPL4703 | MMSM-406 | 25b | 0.3 | 6 | 3 | 0.73 | 1.2 | 20 | |
| GML4701-GM1 | GigaMite-GM1 | 50 | 20 | 0.4 | 2.5 | ||||
| GC4701-6LP | QFN-6LP | 50 | 20 | .35 | - | 1.5 | - | - | 10 |
Resources
PIN Diode Designers Handbook
PIN Diode Application Notes
Micronote 701 - PIN Diode Fundamentals- Micronote 702 - IFF Systems use PIN Diodes
- Micronote 703 - PINs & GaAs MESFET Switches-Effects on Linearity
- Micronote 704 - The Potential use of RF PIN Diodes in Hand Held Transceivers
- Micronote 708 - The Advantages of PIN Diode Switches Over MESFET Switches for IEEE 802.11a High Speed Wireless LAN Applications
- Micronote 711A - Analysis of NMR/MRI Coils using PIN Diode Switches
PIN Diodes Selection Guides
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