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MINI-POLE® Series
MINI T01 Banner with pins

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
  • Performance
  • T01 Selection Guide (Standard)
  • T02 Selection Guide (Sealed)
  • Numbering Table
  • Interface and Control Notes
  • Package Outline
  • Pinout and Ratings
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
Operating Temperature Range : -40 to + 85°C
Center Frequency Drift: 80 PPM/°C

The following plots illustrate approximate performance (not representative of all frequency ranges):
Mini-30-90-5-30MHz-_300.gif  Mini-200-400-5-400MHz-_300.gif

  
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
(max)

Shape Factor (30 dB / 3 dB)
Overall Low Side High Side

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   (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 
VIH  Input High Voltage  Control Signals except A0 - A7  0.7 Vcc  Vcc 
VIL1  Input Low Voltage  A0 - A7  0.0  0.15Vcc 
VIH1  Input High Voltage  A0 - A7  0.7 Vcc  Vcc 


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)

MINI T01 Mount

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




MINI-POLE

Parallel Interface

PIN#  REF DES  Description  Max Ratings 
1,2,3,5  RF I\O GND RF In\Out Ground  +30 dBm 
Vcc  +5VDC, ±10%  +6 VDC 
A7  Tune Bit 7 (MSB)  Vcc +0.3 V 
A6  Tune Bit 6 
A5  Tune Bit 5 
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   
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   


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