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Power-Pole Notch Series

POWER-POLE® Notch Filters offer improved performance and power handling over our MINI and MAXI Notch Filters.

  • Specifications
  • Performance
  • Numbering Table
  • Interface and Control Notes
  • Package Outline
Frequency Coverage (3 bands): 10 MHz to 200 MHz
Input/Output Impedance: 50 Ω
Inband RF Power Handling: 20 Watt (input)
Passband Third Order Intercept Point: +50 dBm (input,f0 > 30 MHz)
Passband Insertion Loss: 1 dB (max)
Passband VSWR: 2:1 (max)
Tuning Control: 8 bit parallel
Tuning Speed: 20 µS (f0> 30 MHz,
+10 dBm reference)
DC Power: +5 VDC @ 400 mA to 1.5A
Operating Temperature Range: -40 to + 65°C
Center Frequency Drift: 80 PPM/°C

The following plots illustrate approximate performance (not representative of all frequency ranges):
  


Series

 

Frequency (MHz)

 

Notch Depth (dB)

 

Options

POWER

NOTCH

10 - 30

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 - 30

 

 

 

B

 

 

 

 

30 - 90

 

 

 

C

 

 

 

 

90 - 200

 

 

 

 

Available Options:
B. Serial Interface
C. Custom Frequency Bands (Specify START and STOP frequencies in MHz)


NOTE(S):
1) Options may be limited to particular frequency bands and/or package styles.
Consult factory for your application.

Frequency Tuning Address

Power-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

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°C 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



Strobe

The filter is tuned within 20 µS to the frequency designated by the tuneword existing on the eight control bit lines when theline 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.

Temperature Effects

Over the –40 to +65°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.

Parallel Interface

PIN#  REF DES  Description  Max Ratings 
A2 Tune Bit 2 +6 VDC 

A3 Tune Bit 3
A4 Tune Bit 4
A5 Tune Bit 5 
5 A6 Tune Bit 6
A7  Tune Bit 7 (MSB)
GND Ground  
Vcc +5VDC, ±10% +6 VDC 
GND Ground  
10  - No Connect  
11  GND Ground  
12  GND  Ground   
13  STB Strobe +6 VDC
14  A0 Tune Bit 0 (LSB)
15  A1 Tune Bit 1

Serial Interface

PIN#  REF DES  Description  Max Ratings 
DO  Serial Data Out +6 VDC 
- No Connect
- No Connect
- No Connect
- No Connect
- No Connect
GND  Ground   
Vcc  +5 VCD, +-10%  +6 VDC 
GND  Ground   
10  - No Connect
11  GND  Ground   
12  GND  Ground   
13  STB  Strobe  +6 VDC 
14  SER CLK Serial Clock
15  DI  Serial Data In
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