MINI-POLE® Series
The MINI-POLE® Series of tunable filters is optimized for size, RF power handling, low distortion, and exceptional selectivity. The product line includes several standard designs in various bands to support a myriad of applications. Approximate performance is summarized in the MINI-POLE Series Selection Guide.
Specifications
| Frequency Coverage (8 bands): | 1.5 MHz to 700 MHz |
| Input/Output Impedance: | 50Ω |
| Inband RF Power Handling: | Up to 1.25 Watts |
|
Inband Third Order
Intercept Point:
|
+40 dBm (input, fo > 30 MHz) |
|
Inband Second Order
Intercept Point:
|
+100 dBm (input) |
| Tuning Control: | 8 bit parallel |
| Tuning Speed: | 10 µS (f0 > 30 MHz, +10 dBm reference) |
| DC Power: |
+5 VDC @ 10 to 250 mA
+100 VDC @ 1mA (T01) or
+100 VDC @ 2mA (T02)
|
| Operating Temperature Range : | -40 to + 85°C |
| Center Frequency Drift: | 80 PPM/°C |
- Performance
- T01 Selection Guide (Standard)
- T02 Selection Guide (Sealed)
- Numbering Table
- Interface and Control Notes
- Package Outline
- Pinout and Ratings
The following plots illustrate approximate performance (not representative of all frequency ranges):
The following plots illustrate approximate insertion loss and bandwidth trends across a given frequency band, and the differences between various bands:
MN-30-90-5
MN-90-200-5
MN-200-400-3
MN-400-700-5
The Selection Guide illustrates approximate T01 performance; table values are shown as average/maximum.
|
Frequency Range
|
Suffix
|
Insertion Loss
|
% Bandwidth (3dB)
|
Strobe Rate |
Shape Factor (30 dB / 3 dB) |
||
|
30 to 90
MHz
|
-10
|
1.5 kHz
|
|||||
|
-7
|
2.7/3.6
|
7.5/8.0
|
5.8/6.2
|
6.5/7.0
|
5.2/5.7
|
||
|
-5
|
3.5/4.6
|
5.2/5.6
|
5.9/6.3
|
6.4/6.9
|
5.5/5.8
|
||
|
-4
|
4.8/6.3
|
3.9/4.6
|
6.1/6.7
|
6.5/7.1
|
5.7/6.2
|
||
|
-3
|
|||||||
|
90 to 200
MHz
|
-10
|
1.8 kHz
|
|||||
|
-7
|
|||||||
|
-5
|
|||||||
|
-4
|
|||||||
|
-3
|
|||||||
|
174 to 400
MHz
|
-10
|
2 kHz
|
|||||
|
-7
|
2.5/3.9
|
7.8/8.0
|
5.8/6.3
|
6.2/6.6
|
5.3/5.9
|
||
|
-5
|
|||||||
|
-4
|
|||||||
|
-3
|
5.7/8.5
|
3.1/3.5
|
5.7/6.0
|
6.3/8.0
|
5.2/5.5
|
||
|
200 to 400
MHz
|
-10
|
2 kHz
|
|||||
|
-7
|
2.1/3.5
|
7.4/7.9
|
5.8/6.3
|
6.2/6.6
|
5.3/5.9
|
||
|
-5
|
3.1/4.6
|
5.0/5.5
|
6.3/6.8
|
6.5/7.0
|
6.0/6.5
|
||
|
-4
|
4.0/6.3
|
4.1/4.6
|
5.6/5.7
|
6.1/6.3
|
5.1/5.3
|
||
|
-3
|
5.8/8.5
|
3.2/3.5
|
5.8/6.7
|
6.3/7.9
|
5.2/5.5
|
||
|
225 to 400
MHz
|
-10
|
2 kHz
|
|||||
|
-7
|
2.0/3.5
|
7.4/7.9
|
5.8/6.3
|
6.2/6.6
|
5.3/5.9
|
||
|
-5
|
3.0/4.6
|
4.9/5.5
|
5.4/5.9
|
5.7/6.0
|
5.2/5.8
|
||
|
-4
|
3.9/6.3
|
4.1/4.5
|
5.6/5.7
|
6.1/6.3
|
5.1/5.3
|
||
|
-3
|
5.7/8.5
|
3.2/3.5
|
5.8/6.7
|
6.3/7.9
|
5.2/5.5
|
||
|
225 to 520
MHz
|
-10
|
|
2 kHz
|
||||
|
-7
|
2.1/3.6
|
7.2/8.0
|
5.8/6.3
|
62./6.6
|
5.3/5.9
|
||
|
-5
|
|||||||
|
-4
|
|||||||
|
-3
|
|||||||
The Selection Guide illustrates approximate T02 performance; table values are shown as average/maximum.
|
Frequency Range
|
Suffix
|
Insertion Loss
|
% Bandwidth (3dB)
|
**Power Handling (dBm)
|
Shape Factor (30 dB / 3 dB) Overall Low Side High Side |
||||
|
1:1 VSWR
|
2:1 VSWR
|
||||||||
|
1.5 to 4
MHz
|
-20
|
0.9/1.2
|
20.1/21.3
|
32
|
30
|
5.8/6.4
|
7.0/8.8
|
4.5/4.8
|
|
|
-10
|
1.7/2.9
|
9.9/10.6
|
29
|
27
|
6.0/6.5
|
7.1/8.0
|
4.9/5.3
|
||
|
-7
|
2.5/4.1
|
7.6/10.6
|
28
|
25
|
5.6/5.8
|
6.1/6.5
|
5.1/5.3
|
||
|
-5
|
3.0/4.4
|
4.9/5.2
|
26
|
24
|
|
|
|
||
|
-4
|
4.2/5.7
|
4.0/4.5
|
25
|
24
|
5.7/6.2
|
6.1/7.0
|
5.4/5.8
|
||
|
-3
|
4.4/6.4
|
3.0/3.3
|
26
|
24
|
6.2/6.4
|
6.6/6.9
|
5.9/6.2
|
||
|
4 to 10
MHz
|
-20
|
0.8/1.0
|
19.6/21.7
|
33
|
30
|
5.9/6.4
|
6.8/7.9
|
5.1/5.3
|
|
|
-10
|
1.8/2.1
|
10.0/10.6
|
30
|
28
|
5.7/6.2
|
6.6/7.6
|
4.8/5.1
|
||
|
-7
|
2.4/3.5
|
7.2/7.9
|
29
|
27
|
5.5/5.7
|
5.9/6.4
|
5.1/5.2
|
||
|
-5
|
3.1/4.2
|
5.0/5.5
|
29
|
27
|
5.7/6.3
|
6.1/7.2
|
5.3/5.6
|
||
|
-4
|
3.4/5.0
|
4.2/5.1
|
29
|
27
|
5.6/6.2
|
5.9/6.4
|
5.4/6.1
|
||
|
-3
|
5.0/8.0
|
3.1/3.4
|
26
|
25
|
5.9/6.6
|
6.1/6.7
|
5.8/6.4
|
||
|
10 to 30
MHz
|
-20
|
0.8/1.2
|
21.4/21.9
|
32
|
30
|
5.8/6.4
|
6.5/7.6
|
5.0/5.1
|
|
|
-10
|
1.8/2.1
|
9.7/9.9
|
29
|
26
|
5.9/6.1
|
6.8/7.4
|
5.0/5.2
|
||
|
-7
|
2.4/3.0
|
7.5/7.9
|
27
|
25
|
5.6/6.1
|
6.2/7.0
|
5.1/5.5
|
||
|
-5
|
3.5/4.4
|
5.1/5.5
|
26
|
24
|
5.8/6.2
|
6.2/7.1
|
5.3/5.7
|
||
|
-4
|
4.2/6.1
|
4.0/4.4
|
25
|
23
|
5.8/6.3
|
6.1/6.8
|
5.5/5.9
|
||
|
-3
|
5.2/7.1
|
3.2/3.5
|
25
|
24
|
5.9/6.7
|
6.2/7.3
|
5.7/6.3
|
||
|
30 to 90
MHz
|
-20
|
1.0/1.2
|
20.2/21.7
|
34
|
31
|
5.9/6.5
|
7.3/9.0
|
4.4/4.8
|
|
|
-10
|
1.8/2.4
|
10.3/10.9
|
31
|
28
|
6/6.5
|
6.9/8.0
|
5.1/5.5
|
||
|
-7
|
2.7/3.6
|
6.9/7.7
|
30
|
28
|
5.8/6.2
|
6.5/7.0
|
5.2/5.7
|
||
|
-5
|
3.9/5.0
|
5.2/5.5
|
29
|
27
|
5.9/6.3
|
6.4/6.9
|
5.5/5.8
|
||
|
-4
|
4.8/6.3
|
3.9/4.5
|
29
|
27
|
6.1/6.6
|
6.5/7.1
|
5.7/6.2
|
||
|
-3
|
6.8/8.4
|
3.2/3.5
|
28
|
27
|
5.9/6.6
|
6.1/7.0
|
5.7/6.3
|
||
|
90 to 200
MHz
|
-20
|
0.9/1.1
|
19.9/21.6
|
33
|
30
|
5.7/6.1
|
6.8/7.7
|
4.7/5.0
|
|
|
-10
|
1.7/2.2
|
10.0/11.0
|
30
|
28
|
5.7/6.3
|
6.2/7.0
|
5.1/5.9
|
||
|
-7
|
2.6/3.2
|
6.5/7.2
|
29
|
27
|
|
|
|
||
|
-5
|
3.5/4.8
|
5.0/5.5
|
28
|
27
|
5.9/7.6
|
6.2/8.2
|
5.6/7.0
|
||
|
-4
|
4.4/6.3
|
4.0/4.5
|
28
|
27
|
5.6/6.0
|
5.9/6.3
|
5.3/5.7
|
||
|
-3
|
6.2/8.0
|
3.0/3.2
|
28
|
27
|
5.7/5.9
|
6.0/6.0
|
5.5/5.7
|
||
|
200 to 400
MHz
|
-20
|
0.8/1.1
|
19.0/21.2
|
34
|
32
|
|
|
|
|
|
-10
|
1.6/2.3
|
9.9/10.8
|
33
|
30
|
5.7/6.0
|
6.6/7.7
|
4.7/5.5
|
||
|
-7
|
2.1/3.2
|
6.7/7.8
|
31
|
29
|
5.8/6.3
|
6.2/6.6
|
5.3/5.9
|
||
|
-5
|
3.1/4.6
|
5.0/5.5
|
30
|
29
|
5.7/6.0
|
6.0/6.6
|
5.4/5.8
|
||
|
-4
|
4.5/5.8
|
3.8/4.5
|
30
|
28
|
5.8/6.1
|
6.3/6.8
|
5.3/5.7
|
||
|
-3
|
5.8/8.3
|
3.0/3.5
|
29
|
28
|
5.7/6.0
|
6.3/6.6
|
5.2/5.5
|
||
|
225 to 400
MHz
|
-20
|
|
|
35
|
33
|
|
|
|
|
|
-10
|
1.6/2.3
|
9.8/10.8
|
33
|
31
|
5.8/6.2
|
7.0/7.7
|
4.5/5.0
|
||
|
-7
|
2.1/3.5
|
6.7/7.9
|
31
|
29
|
5.8/6.3
|
6.2/6.6
|
5.3/5.9
|
||
|
-5
|
3.2/4.5
|
4.9/5.5
|
31
|
29
|
5.4/5.9
|
5.7/6.0
|
5.2/5.8
|
||
|
-4
|
4.8/5.4
|
3.6/3.8
|
29
|
28
|
5.6/5.7
|
6.1/6.3
|
5.1/5.3
|
||
|
-3
|
5.62/8.1
|
3.0/3.5
|
29
|
28
|
5.7/6.0
|
6.3/6.6
|
5.2/5.5
|
||
|
225 to 512
MHz
|
-20
|
35
|
33
|
||||||
|
-10
|
1.6/2.3
|
9.8/11.0
|
33
|
31
|
5.8/6.2
|
7.0/7.7
|
4.5/5.5
|
||
|
-7
|
2.1/3.6
|
7.2/8.0
|
32
|
30
|
5.8/6.3
|
6.2/6.6
|
5.3/5.9
|
||
|
-5
|
3.2/4.6
|
4.9/5.5
|
31
|
29
|
5.4/5.9
|
5.7/6.0
|
5.2/5.8
|
||
|
-4
|
4.5/6.3
|
3.6/4.5
|
29
|
28
|
5.8/6.1
|
6.3/6.8
|
5.3/5.7
|
||
|
-3
|
5.8/8.5
|
3.0/3.5
|
29
|
28
|
5.7/6.0
|
6.3/6.6
|
5.2/5.5
|
||
|
400 to 700
MHz
|
-20
|
0.9/1.1
|
20.1/20.9
|
35
|
32
|
5.6/5.9
|
6.8/7.9
|
4.4/5.1
|
|
|
-10
|
|
10.2/10.7
|
32
|
30
|
6.1/6.4
|
7.7/8.4
|
4.6/5.1
|
||
|
-7
|
|
|
31
|
29
|
|
|
|
||
|
-5
|
3.0/5.0
|
4.9/5.4
|
30
|
28
|
5.8/6.4
|
6.4/7.9
|
5.1/5.8
|
||
|
-4
|
4.5/6
|
3.9/4.4
|
29
|
28
|
5.6/6.1
|
6.1/6.5
|
5.2/5.8
|
||
|
-3
|
6.0/8.2
|
2.9/3.5
|
29
|
28
|
5.9/6.6
|
6.2/7.9
|
5.5/6.1
|
||
| Series | Frequency(MHz) | Bandwidth | Connector Type | Options | ||||
| 1.5-4 (T02 only) | ||||||||
| 4-10 (T02 only) | 20 | |||||||
| 10-30 (T02 only) | 10 | B | ||||||
| 30-90 | 7 | T01 | C | |||||
| MN | 90-200 | 5 | T02 | J (T02 only) | ||||
| 174-400 (T01 only) | 4 | |||||||
| 200-400 | 3 | |||||||
| 225-400 | ||||||||
| 400-700 |
|
Example part number: MN-174-400-7-T01
Available Options:
B. Serial Interface
C. Custom Frequency Bands (Specify START and STOP frequencies in MHz)
J. Bypass Mode (Specify minimum Insertion Loss or filter passband Insertion Loss
NOTES:
1) Options may be limited to particular frequency bands and/or performance levels. Consult factory
for your application.
2) Filters are aligned and tested using a High Bias of +100 VDC unless otherwise specified by the
customer.
Frequency Tuning Address
Mini-Pole Series filters utilize an eight-bit scheme for tune words to digitally control tuning of the center frequency. For further information on how to calculate tune words, please see the Frequency Tuning Address Application Note
Bia Voltage Requirement
A bias voltage is required to reverse bias the PIN diodes used to tune the filter. Very little static current (less than 1 mA) is needed. A minimum of 30 Volts is recommended for proper filter operation, although in some instances voltages as low as 12 Volts will provide acceptable performance. As this voltage is increased, the power handling capability and intermodulation are improved as shown below. A bias voltage of +100 VDC is recommended for best results, and all filters are tuned and aligned this way from the factory unless otherwise specified by the customer.
Interface Options
The filter comes standard with an 8-bit parallel interface, although a serial interface can be specified as an option.
DC Control Interface Characteristics
| Symbol | Parameter | Condition | Min | Max | Units |
| VIL | Input Low Voltage | Control Signals except A0 – A7 | 0.0 | 0.2 Vcc | V |
| VIH | Input High Voltage | Control Signals except A0 – A7 | 0.7 Vcc | Vcc | V |
| VIL1 | Input Low Voltage | A0 – A7 | 0.0 | 0.15Vcc | V |
| VIH1 | Input High Voltage | A0 – A7 | 0.7 Vcc | Vcc | V |
Switching Characteristics
(Vcc = +5VDC, ± 10%; T= -40 to +85°C)
|
Symbol |
Parameter |
Min |
Max |
Units |
|
tS |
Setup Time, A0-A7 to STB |
200 |
|
nS |
|
tH |
Hold Time, A0-A7 from STB |
6 |
|
µS |
|
tSH |
STB High Time |
25 |
|
µS |
|
tW |
STB Pulse Width |
20 |
|
nS |
|
tDW |
Strobe D well Time (From STB Falling edge to next STB Falling edge) |
500 |
|
nS |
|
tACC |
Access time from STB to f0 |
15 |
nS |
Vcc = +5VDC, ± 10%; T= -40 to +85°C
Strobe
The filter is tuned within 15 µS to the frequency designated by the tuneword existing on the eight control bit lines when the STB line is brought low. Once strobed, data existing on the tune control lines is ignored until strobed again. Maximum strobe rate for frequencies above 10 MHz is 2 kHz, and below 10 MHz is typically 1 kHz. RF Power Handling Capability
The filters are designed to operate with RF input power levels up to 1 Watt (+30 dBm) inband (see curves above under Bias Voltage Requirement). Signals in the filter stopband up to 5 Watts at the input will not cause damage to the filter.
Temperature Effects
Over the –40 to +85°C temperature range, filters will exhibit a temperature drift of less than 80 PPM/°C, or a total of less than ±0.5% of the center frequency.
T01 MINI-POLE (Standard Package)
Note(s):
1) Pin diameter is 0.020”
2) Pins must be jumpered as shown above
4) Custom pin lengths available upon request
T02 MINI-POLE (Sealed Package)
Note(s):
1) Package can be gross leak tested upon request
2) Pin diameter is 0.020”
3) Pins must be jumpered as shown above
4) Some variations could have a pin length as low as 0.187
Parallel Interface
| PIN# | REF DES | Description | Max Ratings |
| 1,2,3,5 | RF I\O GND | RF In\Out Ground | +30 dBm |
| 4 | Vcc | +5VDC, ±10% | +6 VDC |
| 6 | A7 | Tune Bit 7 (MSB) | Vcc +0.3 V |
| 7 | A6 | Tune Bit 6 | |
| 8 | A5 | Tune Bit 5 | |
| 9 | A4 | Tune Bit 4 | |
| 10 | A3 | Tune Bit 3 | |
| 11 | A2 | Tune Bit 2 | |
| 12 | A1 | Tune Bit 1 | |
| 13 | A0 | Tune Bit 0 (LSB) | |
| 14 | STB | Strobe | |
| 15,16 | GND | Ground | |
| 17 | Vbb | High Bias | +125 VDC |
| 18-20 | GND | Ground | |
| 21 | RF I/O | RF In/Out | +30 dBm |
| 22 | GND | Ground | |
| 23 | – | No Connect | |
| 24-27 | (See Note) | ||
| 28-35 | – | No Connect | |
| 36-41 | (See Note) | ||
| 42 | GND | Ground |
Note: Pins must be jumpered as shown in Package Outline
Serial Interface
| PIN# | REF DES | Description | Max Ratings |
| 1 | RF I\O | RF In\Out | +30 dBm |
| 2,3,5 | GND | Ground | |
| 4 | Vcc | +5VDC, ±10% | +6 VDC |
| 6-10 | – | No Connect | Vcc +0.3 V |
| 11 | SDO | Serial Data Out | |
| 12 | SDI | Serial Data In | |
| 13 | SCLK | Serial Clock | |
| 14 | STB | Strobe | |
| 15,16 | GND | Ground | |
| 17 | Vbb | High Bias | +125 VDC |
| 18-20 | GND | Ground | |
| 21 | RF I/O | RF In/Out | +30 dBm |
| 22 | GND | Ground | |
| 23 | – | No Connect | |
| 28-35 | – | No Connect | |
| 42 | GND | Ground |
Contact Sales
The Pole/Zero Sales and Marketing team is a highly qualified group of engineers who can relate to your design problems and provide expert assistance. They make sure you get the right components at the right time and price.
Feel free to call upon our sales team (513) 870-9060 at any time. They are here to assist you and are happy to do so.